{"id":28048,"date":"2024-05-08T21:43:08","date_gmt":"2024-05-08T13:43:08","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=28048"},"modified":"2026-06-30T23:54:42","modified_gmt":"2026-06-30T15:54:42","slug":"modbus-xie-yi-zai-tcp-ip-shang-de-shi-xian-zhi-nan","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/28048.html","title":{"rendered":"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\" id=\"KuyBw\">\u5f15\u8a00<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"d4rFB\">\u8303\u56f4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"66f496829a9ae6c9468dcedb6b659109\">\u8fd9\u4e2a\u6587\u4ef6\u7684\u8303\u56f4\u662f\u4ecb\u7ecdTCP\/IP\u4e0a\u7684MODBUS\u62a5\u6587\u4f20\u8f93\u670d\u52a1\uff0c\u63d0\u4f9b\u53c2\u8003\u4fe1\u606f\u4ee5\u5e2e\u52a9\u8f6f\u4ef6\u5f00\u53d1\u8005\u4f7f\u7528\u8fd9\u79cd\u670d\u52a1\u3002\u8fd9\u4e2a\u6587\u4e2d\u4e0d\u5305\u62ecMODBUS\u529f\u80fd\u7801\u7684\u7f16\u7801\u5185\u5bb9\uff0c\u8fd9\u4e9b\u4fe1\u606f\u8bf7\u53c2\u9605MODBUS\u534f\u8bae\u89c4\u8303[2]\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"8248e565138f40405d1f62c15e06d505\">\u8fd9\u4e2a\u6587\u4ef6\u51c6\u786e\u800c\u5168\u9762\u5730\u63cf\u8ff0\u4e86MODBUS\u62a5\u6587\u4f20\u8f93\u670d\u52a1\u7684\u5b9e\u73b0\u3002\u5176\u76ee\u7684\u662f\u4fbf\u4e8e\u5728\u90a3\u4e9b\u4f7f\u7528MODBUS\u62a5\u6587\u4f20\u8f93\u670d\u52a1\u7684\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u53ef\u4e92\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"4173b8aae861e8c2080dc6f22c8c58c6\">\u8fd9\u4e2a\u6587\u4ef6\u4e3b\u8981\u7531\u4e09\u90e8\u5206\u7ec4\u6210\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5728TCP\/IP\u4e0a\u7684MODBUS\u534f\u8bae\u6982\u8ff0<\/strong><\/li>\n\n\n\n<li><strong>MODBUS\u5ba2\u6237\u673a\u3001\u670d\u52a1\u5668\u548c\u7f51\u5173\u5de5\u5177\u7684\u529f\u80fd\u63cf\u8ff0<\/strong><\/li>\n\n\n\n<li><strong>\u9488\u5bf9\u4e00\u4e2aMODBUS\u5b9e\u73b0\u5b9e\u4f8b\u7684\u76ee\u6807\u6a21\u578b\u5efa\u8bae\u7684\u5b9e\u73b0\u51c6\u5219\u3002<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"7B7cB\">\u5ba2\u6237\u673a\/\u670d\u52a1\u5668\u6a21\u578b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"d4853315753d3a07336348f7f2a9f536\">MODBUS\u62a5\u6587\u4f20\u8f93\u670d\u52a1\u63d0\u4f9b\u8bbe\u5907\u4e4b\u95f4\u7684\u5ba2\u6237\u673a\/\u670d\u52a1\u5668\u901a\u4fe1\uff0c\u8fd9\u4e9b\u8bbe\u5907\u8054\u63a5\u5728\u4e00\u4e2aEthernet\uff08\u4ee5\u592a\u7f51\uff09 TCP\/IP\u7f51\u7edc\u4e0a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"dcd55cd4cb85ecd465060f7ec1546419\">\u8fd9\u4e2a\u5ba2\u6237\u673a\/\u670d\u52a1\u5668\u6a21\u5f0f\u662f\u57fa\u4e8e4\u79cd\u7c7b\u578b\u62a5\u6587\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MODBUS \u8bf7\u6c42<\/strong><\/li>\n\n\n\n<li><strong>MODBUS \u8bc1\u5b9e<\/strong><\/li>\n\n\n\n<li><strong>MODBUS \u6307\u793a<\/strong><\/li>\n\n\n\n<li><strong>MODBUS \u54cd\u5e94<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"f5f6f5\" data-has-transparency=\"false\" style=\"--dominant-color: #f5f6f5;\" decoding=\"async\" sizes=\"(max-width: 950px) 100vw, 950px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508215600378.png?x-oss-process=image\/resize,m_lfit,w_950,h_218\"  class=\"wp-image-28072 not-transparent\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"df240f79efd06b31bcbfc7205c133141\">MODBUS\u8bf7\u6c42\u662f\u5ba2\u6237\u673a\u5728\u7f51\u7edc\u4e0a\u53d1\u9001\u7528\u6765\u542f\u52a8\u4e8b\u52a1\u5904\u7406\u7684\u62a5\u6587<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"42fb3d38b66919b5d7cbd241c0707dfe\">MODBUS\u6307\u793a\u662f\u670d\u52a1\u7aef\u63a5\u6536\u7684\u8bf7\u6c42\u62a5\u6587<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"b563da8a9d4b4866e0ac82d894d653c9\">MODBUS\u54cd\u5e94\u662f\u670d\u52a1\u5668\u53d1\u9001\u7684\u54cd\u5e94\u4fe1\u606f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"7fcf36dd38c9ba374d9b092bd4142aa2\">MODBUS\u8bc1\u5b9e\u662f\u5728\u5ba2\u6237\u7aef\u63a5\u6536\u7684\u54cd\u5e94\u4fe1\u606f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"761c610a61f82fa6902f67ca63886fd2\">MODBUS\u62a5\u6587\u4f20\u8f93\u670d\u52a1\uff08\u5ba2\u6237\u673a\/\u670d\u52a1\u5668\u6a21\u578b\uff09\u7528\u4e8e\u5b9e\u65f6\u4fe1\u606f\u4ea4\u6362\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u4e24\u4e2a\u8bbe\u5907\u5e94\u7528\u7a0b\u5e8f\u4e4b\u95f4<\/li>\n\n\n\n<li>\u5728\u8bbe\u5907\u5e94\u7528\u548c\u5176\u5b83\u8bbe\u5907\u4e4b\u95f4<\/li>\n\n\n\n<li>\u5728HMI\/SCADA\u5e94\u7528\u7a0b\u5e8f\u548c\u8bbe\u5907\u4e4b\u95f4<\/li>\n\n\n\n<li>\u5728\u4e00\u4e2aPC\u548c\u4e00\u4e2a\u63d0\u4f9b\u5728\u7ebf\u670d\u52a1\u7684\u8bbe\u5907\u7a0b\u5e8f\u4e4b\u95f4<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"V3kMp\">\u89c4\u8303\u6027\u5f15\u7528\u6587\u4ef6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"1fc81efca7dd387756d2d9d676bf0401\">\u8fd9\u7ae0\u7ed9\u51fa\u4e86\u5728\u8fd9\u4e2a\u6587\u4ef6\u4e4b\u524d\u559c\u6b22\u9605\u8bfb\u7684\u6587\u4ef6\u5217\u8868\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"7a90cab717322209d237caa5e823a697\">[2] <strong>MODBUS\u534f\u8bae\u89c4\u8303<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ab6280d6448a0eaee8b40fcd3be20428\">[4] <strong>RFC1122<\/strong><\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"UOWbw\">\u7f29\u7565\u8bed<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"3175d1f19bb06538f5782b0b79a692bd\"><strong>ADU<\/strong> &#8212; \u5e94\u7528\u6570\u636e\u5355\u5143<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"9f51f0eca61bef428d7a0b5e6202faec\"><strong>IETF<\/strong> &#8212; \u56e0\u7279\u7f51\u5de5\u7a0b\u5de5\u4f5c\u7ec4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"7242b7a2a28b47f95f8e906fc1b7cea7\"><strong>IP<\/strong> &#8212; \u4e92\u8fde\u7f51\u534f\u8bae<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"9d79fa0d6dbcbeee75a742547bfaae97\"><strong>MAC<\/strong> &#8212; \u4ecb\u8d28\u8bbf\u95ee\u63a7\u5236<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"f041e7cfdc4e980f52a31f0909910d12\"><strong>MB<\/strong> &#8212; MODBUS<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"c55086a03dc198c607c219cfc9252883\"><strong>MBAP<\/strong> &#8212; MODBUS\u534f\u8bae<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"963a9c8397b69583022f629b8684f27f\"><strong>PDU<\/strong> &#8212; \u534f\u8bae\u6570\u636e\u5355\u5143<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"143cf463a77112793e5e2d35aba28079\"><strong>PLC<\/strong> &#8212; \u53ef\u7f16\u7a0b\u5e8f\u903b\u8f91\u63a7\u5236\u5668<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"844fa1440e7fec830189d8be98905ed9\"><strong>TCP<\/strong> &#8212; \u4f20\u8f93\u63a7\u5236\u534f\u8bae<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"f9b73bb07f1ef9ba8e34deab3f7af827\"><strong>BSD<\/strong> &#8212; \u4f2f\u514b\u5229\u8f6f\u4ef6\u5206\u914d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"2c4e208db880caddf09023cb6d016e25\"><strong>MSL<\/strong> &#8212; \u6700\u5927\u6bb5\u5bff\u547d<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"rY2ID\">\u80cc\u666f\u6982\u8981<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"iBPx6\">\u534f\u8bae\u63cf\u8ff0<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"fWHHn\">\u603b\u4f53\u901a\u4fe1\u7ed3\u6784<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"15b4ade1bb6611b2efec4950cb318afe\">MODBUS TCP\/IP\u7684\u901a\u4fe1\u7cfb\u7edf\u53ef\u4ee5\u5305\u62ec\u4e0d\u540c\u7c7b\u578b\u7684\u8bbe\u5907\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fde\u63a5\u81f3TCP\/IP\u7f51\u7edc\u7684MODBUS TCP\/IP\u5ba2\u6237\u673a\u548c\u670d\u52a1\u5668\u8bbe\u5907<\/li>\n\n\n\n<li>\u4e92\u8fde\u8bbe\u5907\uff0c\u4f8b\u5982\uff1a\u5728TCP\/IP\u7f51\u7edc\u548c\u4e32\u884c\u94fe\u8def\u5b50\u7f51\u4e4b\u95f4\u4e92\u8fde\u7684\u7f51\u6865\u3001\u8def\u7531\u5668\u6216\u7f51\u5173\uff0c\u8054\u63a5\uff0c\u8be5\u5b50\u7f51\u5141\u8bb8\u5c06MODBUS\u4e32\u884c\u94fe\u8def\u5ba2\u6237\u673a\u548c\u670d\u52a1\u5668\u7ec8\u7aef\u8bbe\u5907\u8fde\u63a5\u8d77\u6765\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img data-dominant-color=\"f5f5f5\" data-has-transparency=\"false\" decoding=\"async\" sizes=\"(max-width: 950px) 100vw, 950px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508220108661.png?x-oss-process=image\/resize,m_lfit,w_950,h_463\"  class=\"wp-image-28073 not-transparent\" style=\"--dominant-color: #f5f5f5; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe1\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe1\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"08a6e8c6eee9caa1b42a528e94f3a959\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u56fe1\uff1aMODBUS TCP\/IP\u901a\u4fe1\u7ed3\u6784<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"dd540946883233111cc0078a8240a5f3\">MODBUS\u534f\u8bae\u5b9a\u4e49\u4e86\u4e00\u4e2a\u4e0e\u57fa\u7840\u901a\u4fe1\u5c42\u65e0\u5173\u7684<strong>\u7b80\u5355\u534f\u8bae\u6570\u636e\u5355\u5143\uff08PDU\uff09<\/strong>\u3002\u7279\u5b9a\u603b\u7ebf\u6216\u7f51\u7edc\u4e0a\u7684MODBUS\u534f\u8bae\u6620\u5c04\u80fd\u591f\u5728<strong>\u5e94\u7528\u6570\u636e\u5355\u5143\uff08ADU\uff09<\/strong>\u4e0a\u5f15\u5165\u4e00\u4e9b\u9644\u52a0\u57df\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"42a89d\" data-has-transparency=\"true\" style=\"--dominant-color: #42a89d;\" decoding=\"async\" sizes=\"(max-width: 940px) 100vw, 940px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508211317493.png\"  class=\"wp-image-28049 has-transparency\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe2\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe2\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"4bb573ce9d57d2221217db6a985de0c7\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u56fe2\uff1a\u901a\u7528MODBUS\u5e27<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"1c60e265a018d5bb8341e8fe35b66d2b\">\u542f\u52a8MODBUS\u4e8b\u52a1\u5904\u7406\u7684\u5ba2\u6237\u673a\u5efa\u7acbMODBUS\u5e94\u7528\u6570\u636e\u5355\u5143\u3002\u8fd9\u4e2a\u529f\u80fd\u7801\u5411\u670d\u52a1\u5668\u6307\u793a\u6267\u884c\u6267\u884c\u54ea\u79cd\u64cd\u4f5c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"cBUNi\">TCP\/IP\u4e0a\u7684MODBUS\u5e94\u7528\u6570\u636e\u5355\u5143<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"40ac465660165d6f2ca222e719688eba\">\u8fd9\u8282\u63cf\u8ff0\u4e86MODBUS TCP\/IP\u7f51\u7edc\u4e2d\u8fdb\u884c\u7684MODBUS\u8bf7\u6c42\u6216\u54cd\u5e94\u7684\u5c01\u88c5\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img data-dominant-color=\"f3f3f3\" data-has-transparency=\"false\" decoding=\"async\" sizes=\"(max-width: 950px) 100vw, 950px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508220305907.png?x-oss-process=image\/resize,m_lfit,w_950,h_232\"  class=\"wp-image-28074 not-transparent\" style=\"--dominant-color: #f3f3f3; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe3\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe3\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"656125b3f2052ad99231f08c99022a18\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u56fe3\uff1aTCP\/IP\u4e0a\u7684MODBUS\u7684\u8bf7\u6c42\/\u54cd\u5e94<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"0b6119eec973613966240c06bc86cc1e\">\u5728TCP\/IP\u4e0a\u4f7f\u7528\u4e00\u79cd\u4e13\u7528\u62a5\u6587\u5934\u8bc6\u522bMODBUS\u5e94\u7528\u6570\u636e\u5355\u5143\u3002\u5c06\u8fd9\u79cd\u62a5\u6587\u5934\u79f0\u4e3aMBAP\u62a5\u6587\u5934\uff08MODBUS\u534f\u8bae\u62a5\u6587\u5934\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ee28fe9bd15594539859440bb2b57dd5\">\u8fd9\u79cd\u62a5\u6587\u5934\u63d0\u4f9b\u4e00\u4e9b\u4e0e\u4e32\u884c\u94fe\u8def\u4e0a\u4f7f\u7528\u7684MODBUS RTU\u5e94\u7528\u6570\u636e\u5355\u5143\u6bd4\u8f83\u7684\u5dee\u522b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7528MBAP\u62a5\u6587\u5934\u4e2d\u7684\u5355\u4e2a\u5b57\u8282\u5355\u5143\u6807\u8bc6\u7b26\u53d6\u4ee3MODBUS\u4e32\u884c\u94fe\u8def\u4e0a\u901a\u5e38\u4f7f\u7528\u7684MODBUS\u4ece\u5730\u5740\u57df\u3002\u8fd9\u4e2a\u5355\u5143\u6807\u8bc6\u7b26\u7528\u4e8e\u8bbe\u5907\u7684\u901a\u4fe1\uff0c\u8fd9\u4e9b\u8bbe\u5907\u4f7f\u7528\u5355\u4e2aIP\u5730\u5740\u652f\u6301\u591a\u4e2a\u72ec\u7acbMODBUS\u7ec8\u7aef\u5355\u5143\uff0c\u4f8b\u5982\uff1a\u7f51\u6865\u3001\u8def\u7531\u5668\u548c\u7f51\u5173\u3002<\/li>\n\n\n\n<li>\u7528\u63a5\u6536\u8005\u53ef\u4ee5\u9a8c\u8bc1\u5b8c\u6210\u62a5\u6587\u7684\u65b9\u5f0f\u8bbe\u8ba1\u6240\u6709MODBUS\u8bf7\u6c42\u548c\u54cd\u5e94\u3002\u5bf9\u4e8eMODBUS PDU\u6709\u56fa\u5b9a\u957f\u5ea6\u7684\u529f\u80fd\u7801\u6765\u8bf4\uff0c\u4ec5\u529f\u80fd\u7801\u5c31\u8db3\u591f\u4e86\u3002\u5bf9\u4e8e\u5728\u8bf7\u6c42\u6216\u54cd\u5e94\u4e2d\u643a\u5e26\u4e00\u4e2a\u53ef\u53d8\u6570\u636e\u7684\u529f\u80fd\u7801\u6765\u8bf4\uff0c\u6570\u636e\u57df\u5305\u62ec\u5b57\u8282\u6570\u3002<\/li>\n\n\n\n<li>\u5f53\u5728TCP\u4e0a\u643a\u5e26MODBUS\u65f6\uff0c\u5373\u4f7f\u5c06\u62a5\u6587\u5206\u6210\u591a\u4e2a\u4fe1\u606f\u5305\u6765\u4f20\u8f93\uff0c\u529e\u4e8b\u5728MBAP\u62a5\u6587\u5934\u4e0a\u643a\u5e26\u9644\u52a0\u957f\u5ea6\u4fe1\u606f\uff0c\u4ee5\u4fbf\u63a5\u6536\u8005\u80fd\u8bc6\u522b\u62a5\u6587\u8fb9\u754c\u3002\u663e\u5f0f\u548c\u9690\u5f0f\u957f\u5ea6\u89c4\u5219\u7684\u5b58\u5728\u4ee5\u53caCRC-32\u5dee\u9519\u6821\u9a8c\u7801\u7684\u4f7f\u7528\uff08\u5728\u4ee5\u592a\u7f51\u4e0a\uff09\u5c06\u5bf9\u8bf7\u6c42\u6216\u54cd\u5e94\u62a5\u6587\u4ea7\u751f\u6781\u5c0f\u7684\u672a\u68c0\u51fa\u5e72\u6270\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"wKIkn\">MBAP\u62a5\u6587\u5934\u63cf\u8ff0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"077e3843b833f575a01a16bfbd3e8c6a\">MBAP\u62a5\u6587\u5934\u5305\u62ec\u4e0b\u5217\u57df\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u57df<\/td><td>\u957f\u5ea6<\/td><td>\u63cf\u8ff0<\/td><td>\u5ba2\u6237\u673a<\/td><td>\u670d\u52a1\u5668<\/td><\/tr><tr><td>\u4e8b\u52a1\u5143\u6807\u8bc6\u7b26<\/td><td>2\u4e2a\u5b57\u8282<\/td><td>MODBUS\u8bf7\u6c42\/\u54cd\u5e94\u4e8b\u52a1\u5904\u7406\u7684\u8bc6\u522b\u7801<\/td><td>\u5ba2\u6237\u673a\u542f\u52a8<\/td><td>\u670d\u52a1\u5668\u4ece\u63a5\u6536\u7684\u8bf7\u6c42\u4e2d\u91cd\u65b0\u590d\u5236<\/td><\/tr><tr><td>\u534f\u8bae\u6807\u8bc6\u7b26<\/td><td>2\u4e2a\u5b57\u8282<\/td><td>0=MODBUS\u534f\u8bae<\/td><td>\u5ba2\u6237\u673a\u542f\u52a8<\/td><td>\u670d\u52a1\u5668\u4ece\u63a5\u6536\u7684\u8bf7\u6c42\u4e2d\u91cd\u65b0\u590d\u5236<\/td><\/tr><tr><td>\u957f\u5ea6<\/td><td>2\u4e2a\u5b57\u8282<\/td><td>\u4ee5\u4e0b\u5b57\u8282\u7684\u6570\u91cf<\/td><td>\u5ba2\u6237\u673a\u542f\u52a8\uff08\u8bf7\u6c42\uff09<\/td><td>\u670d\u52a1\u5668\uff08\u54cd\u5e94\uff09\u542f\u52a8<\/td><\/tr><tr><td>\u5355\u5143\u6807\u8bc6\u7b26<\/td><td>1\u4e2a\u5b57\u8282<\/td><td>\u4e32\u884c\u94fe\u8def\u6216\u5176\u5b83\u603b\u7ebf\u4e0a\u8fde\u63a5\u7684\u8fdc\u7a0b\u4ece\u7ad9\u7684\u8bc6\u522b\u7801<\/td><td>\u5ba2\u6237\u673a\u542f\u52a8<\/td><td>\u670d\u52a1\u5668\u4ece\u63a5\u6536\u7684\u8bf7\u6c42\u4e2d\u91cd\u65b0\u590d\u5236<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"686cd5258badcd88fd7a74cc073a1a7f\">\u62a5\u6587\u5934\u4e3a7\u4e2a\u5b57\u8282\u957f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"00aabb0a0dbbc2f6668dcf844a433434\">\u4e8b\u52a1\u5904\u7406\u6807\u8bc6\u7b26\uff1a\u7528\u4e8e\u4e8b\u52a1\u5904\u7406\u914d\u5bf9\u3002\u5728\u54cd\u5e94\u4e2d\uff0cMODBUS\u670d\u52a1\u5668\u590d\u5236\u8bf7\u6c42\u7684\u4e8b\u52a1\u5904\u7406\u6807\u8bc6\u7b26\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"d73ac1c6322463a383af02e71646e2f9\">\u534f\u8bae\u6807\u8bc6\u7b26\uff1a\u7528\u4e8e\u7cfb\u7edf\u5185\u7684\u591a\u8def\u590d\u7528\u3002\u901a\u8fc7\u503c0\u8bc6\u522bMODBUS\u534f\u8bae\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ba6e9d2e15284ecb2570f1ed460f4211\">\u957f\u5ea6\uff1a\u957f\u5ea6\u57df\u662f\u4e0b\u4e00\u4e2a\u57df\u7684\u5b57\u8282\u6570\uff0c\u5305\u62ec\u5355\u5143\u6807\u8bc6\u7b26\u548c\u6570\u636e\u57df\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"6e7c74671a9a87055c3812a6b0175e5a\">\u5355\u5143\u6807\u8bc6\u7b26\uff1a\u4e3a\u4e86\u7cfb\u7edf\u5185\u8def\u7531\uff0c\u4f7f\u7528\u8fd9\u4e2a\u57df\u3002\u4e13\u95e8\u7528\u4e8e\u901a\u8fc7\u4ee5\u592a\u7f51TCP-IP\u7f51\u7edc\u548cMODBUS\u4e32\u884c\u94fe\u8def\u4e4b\u95f4\u7684\u7f51\u5173\u5bf9MODBUS\u6216MODBUS+\u4e32\u884c\u94fe\u8def\u4ece\u7ad9\u7684\u901a\u4fe1\u3002MODBUS\u5ba2\u6237\u673a\u5728\u8bf7\u6c42\u4e2d\u8bbe\u7f6e\u8fd9\u4e2a\u57df\uff0c\u5728\u54cd\u5e94\u4e2d\u670d\u52a1\u5668\u5fc5\u987b\u5229\u7528\u76f8\u540c\u7684\u503c\u8fd4\u56de\u8fd9\u4e2a\u57df\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"84b281bd9572617a0aee8b72fe66035a\"><strong>\u5728\u6ce8\u518c\u7684502\u7aef\u53e3\u4e0a\u5229\u7528TCP\u53d1\u9001\u6240\u6709MODBUS\/TCP ADU\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u6ce8\uff1a\u7528Big-endian\u7f16\u7801\u4e0d\u540c\u57df\u3002<\/mark><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4GBCB\">MODBUS\u529f\u80fd\u7801\u63cf\u8ff0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"2a7a7f2d8c972e7220447a74d28580b6\">\u5728MODBUS\u534f\u8bae\u89c4\u8303[2]\u4e2d\u8be6\u7ec6\u8bf4\u660e\u4e86MODBUS\u5e94\u7528\u5c42\u534f\u8bae\u4e0a\u4f7f\u7528\u7684\u6807\u51c6\u529f\u80fd\u7801\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"CzIeG\">\u529f\u80fd\u63cf\u8ff0<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"c65a6113bc4e02cb57d26afd10a24bb5\">\u8fd9\u91cc\u63d0\u4f9b\u7684MODBUS\u7ec4\u4ef6\u7ed3\u6784\u662f\u4e00\u4e2a\u65e2\u5305\u542bMODBUS\u5ba2\u6237\u673a\u53c8\u5305\u542bMODBUS\u670d\u52a1\u5668\u7ec4\u4ef6\u7684\u901a\u7528\u6a21\u578b\uff0c\u9002\u7528\u4e8e\u4efb\u4f55\u8bbe\u5907\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ae03217ced89e80d6b34d4cb3f8ba6b7\">\u6709\u4e9b\u8bbe\u5907\u53ef\u80fd\u4ec5\u63d0\u4f9b\u670d\u52a1\u5668\u6216\u5ba2\u6237\u673a\u7ec4\u4ef6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"0140da29231f78310dd796a332f15d04\">\u672c\u7ae0\u7684\u7b2c\u4e00\u90e8\u5206\uff0c\u7ed9\u51fa\u4e00\u4e2a\u6709\u5173MODBUS\u62a5\u6587\u4f20\u8f93\u670d\u52a1\u7ec4\u4ef6\u7ed3\u6784\u7684\u7b80\u8981\u6982\u8ff0\uff0c\u7136\u540e\uff0c\u7ed9\u51fa\u7ed3\u6784\u6a21\u578b\u5185\u90e8\u6bcf\u4e00\u4e2a\u7ec4\u4ef6\u7684\u63cf\u8ff0\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"3e253c7cb04ffd27d2b75a4c81f5aa1b\"><strong>MODBUS\u7ec4\u4ef6\u7ed3\u6784\u6a21\u578b<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-dominant-color=\"e0e0e4\" data-has-transparency=\"true\" decoding=\"async\" sizes=\"(max-width: 487px) 100vw, 487px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508211432986.png\"  class=\"wp-image-28050 has-transparency\" style=\"--dominant-color: #e0e0e4; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe4\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe4\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"34e0a0a252a936904ae9cce546934285\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u56fe4 MODBUS\u62a5\u6587\u4f20\u8f93\u670d\u52a1\u6982\u5ff5\u7ed3\u6784<\/mark><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u901a\u4fe1\u5e94\u7528\u5c42<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"9b5c9874251a5150f08580ba286dc896\">\u4e00\u4e2aMODBUS\u8bbe\u5907\u53ef\u4ee5\u63d0\u4f9b\u4e00\u4e2a\u5ba2\u6237\u673a\u548c\/\u6216\u670d\u52a1\u5668MODBUS\u63a5\u53e3\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"b595626b235bfa8617914ebdd5a63caa\">\u53ef\u63d0\u4f9b\u4e00\u4e2aMODBUS\u540e\u53f0\u63a5\u53e3\uff0c\u5141\u8bb8\u95f4\u63a5\u7684\u8bbf\u95ee\u7528\u6237\u5e94\u7528\u5bf9\u8c61\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"bb50eb4a33cd271b001185797265b64a\">\u6b64\u63a5\u53e3\u7531\u56db\u90e8\u5206\u7ec4\u6210\uff1a\u79bb\u6563\u91cf\u8f93\u5165\u3001\u79bb\u6563\u91cf\u8f93\u51fa\uff08\u7ebf\u5708\uff09\u3001\u5bc4\u5b58\u5668\u8f93\u5165\u548c\u5bc4\u5b58\u5668\u8f93\u51fa\u3002\u6b64\u63a5\u53e3\u4e0e\u7528\u6237\u5e94\u7528\u6570\u636e\u4e4b\u95f4\u7684\u6620\u5c04\u5fc5\u987b\u52a0\u4ee5\u5b9a\u4e49\uff08<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">\u672c\u5730\u95ee\u9898<\/mark>\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u57fa\u672c\u6570\u636e\u8868<\/td><td>\u5bf9\u8c61\u7c7b\u578b<\/td><td>\u5c5e\u6027<\/td><td>\u8bf4\u660e<\/td><\/tr><tr><td>\u79bb\u6563\u91cf\u8f93\u5165<\/td><td>1\u4f4d<\/td><td>\u53ea\u8bfb<\/td><td>\u6b64\u7c7b\u6570\u636e\u53ef\u6765\u81eaI\/O\u7cfb\u7edf<\/td><\/tr><tr><td>\u7ebf\u5708<\/td><td>1\u4f4d<\/td><td>\u8bfb-\u5199<\/td><td>\u6b64\u7c7b\u6570\u636e\u53ef\u88ab\u5e94\u7528\u7a0b\u5e8f\u4fee\u6539<\/td><\/tr><tr><td>\u5bc4\u5b58\u5668\u8f93\u5165<\/td><td>16\u4f4d\u5b57<\/td><td>\u53ea\u8bfb<\/td><td>\u6b64\u7c7b\u6570\u636e\u53ef\u6765\u81eaI\/O\u7cfb\u7edf<\/td><\/tr><tr><td>\u5bc4\u5b58\u5668\u8f93\u51fa<\/td><td>16\u4f4d\u5b57<\/td><td>\u53ea\u5199<\/td><td>\u6b64\u7c7b\u6570\u636e\u53ef\u88ab\u5e94\u7528\u7a0b\u5e8f\u4fee\u6539<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img data-dominant-color=\"e0e0bd\" data-has-transparency=\"true\" decoding=\"async\" sizes=\"(max-width: 950px) 100vw, 950px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508211501453.png?x-oss-process=image\/resize,m_lfit,w_950,h_473\"  class=\"wp-image-28051 has-transparency\" style=\"--dominant-color: #e0e0bd; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe5\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe5\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MODBUS\u5ba2\u6237\u673a<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"0ebf31351724c86bf7255609d201ccd7\">MODBUS\u5ba2\u6237\u673a\u5141\u8bb8\u7528\u6237\u5e94\u7528\u6e05\u6670\u5730\u63a7\u5236\u4e0e\u8fdc\u7aef\u8bbe\u5907\u7684\u4fe1\u606f\u4ea4\u6362\u3002MODBUS\u5ba2\u6237\u673a\u6839\u636e\u7528\u6237\u5e94\u7528\u5411MODBUS\u5ba2\u6237\u63a5\u53e3\u53d1\u9001\u7684\u9700\u6c42\u4e2d\u6240\u5305\u542b\u7684\u53c2\u6570\u751f\u6210\u4e00\u4e2aMODBUS\u8bf7\u6c42\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"633dde8249e14bc32d4678cb6d946f39\">MODBUS\u5ba2\u6237\u673a\u8c03\u7528\u4e00\u4e2aMODBUS\u7684\u4e8b\u52a1\u5904\u7406\uff0c\u4e8b\u52a1\u5904\u7406\u7ba1\u7406\u5305\u62ecMODBUS\u8bc1\u5b9e\u7684\u7b49\u5f85\u548c\u5904\u7406\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MODBUS\u5ba2\u6237\u673a\u63a5\u53e3<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"d2b282344b375883c81723f8ec372ab5\">MODBUS\u5ba2\u6237\u673a\u63a5\u53e3\u63d0\u4f9b\u4e00\u4e2a\u63a5\u53e3\uff0c\u4f7f\u5f97\u7528\u6237\u5e94\u7528\u80fd\u591f\u751f\u6210\u5bf9\u5305\u62ec\u8bbf\u95eeMODBUS\u5e94\u7528\u5bf9\u8c61\u5728\u5185\u7684\u5404\u7c7bMODBUS\u670d\u52a1\u7684\u8bf7\u6c42\u3002\u5c3d\u7ba1\u5728\u5b9e\u73b0\u6a21\u578b\u4e2d\u4ee5\u5b9e\u4f8b\u8bf4\u660e\uff0c\u4f46\u662fMODBUS\u5ba2\u6237\u673a\u63a5\u53e3\uff08API\uff09\u5728\u8fd9\u91cc\u4e0d\u8fdb\u884c\u63cf\u8ff0\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MODBUS\u670d\u52a1\u5668<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"9566d8c1222351be5d899632ed0e74f1\">\u5728\u6536\u5230\u4e00\u4e2aMODBUS\u8bf7\u6c42\u4ee5\u540e\uff0c\u6a21\u5757\u6fc0\u6d3b\u4e00\u4e2a\u672c\u5730\u64cd\u4f5c\u8fdb\u884c\u8bfb\u3001\u5199\u3001\u6216\u5b8c\u6210\u5176\u4ed6\u64cd\u4f5c\u3002\u8fd9\u4e9b\u64cd\u4f5c\u7684\u5904\u7406\u5bf9\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4eba\u5458\u6765\u8bf4\u90fd\u662f\u900f\u660e\u7684\u3002MODBUS\u670d\u52a1\u5668\u7684\u4e3b\u8981\u529f\u80fd\u662f\u7b49\u5f85\u6765\u81eaTCP502\u53e3\u7684MODBUS\u8bf7\u6c42\uff0c\u5904\u7406\u8fd9\u4e00\u8bf7\u6c42\uff0c\u7136\u540e\u751f\u6210\u4e00\u4e2aMODBUS\u5e94\u7b54\uff0c\u5e94\u7b54\u53d6\u51b3\u4e8e\u8bbe\u5907\u72b6\u51b5\uff08\u573a\u5883\uff09\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MODBUS\u540e\u53f0\u63a5\u53e3<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"c1b8edff540efd56ef54ef8e265fb61b\">MODBUS\u540e\u53f0\u63a5\u53e3\u662f\u4e00\u4e2a\u4eceMODBUS\u670d\u52a1\u5668\u5230\u5b9a\u4e49\u5e94\u7528\u5bf9\u8c61\u7684\u7528\u6237\u5e94\u7528\u4e4b\u95f4\u7684\u63a5\u53e3\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>TCP\u7ba1\u7406\u5c42<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"a50670e7e8dab46b9f3147396fb7ad05\">\u62a5\u6587\u4f20\u8f93\u670d\u52a1\u7684\u4e3b\u8981\u529f\u80fd\u4e4b\u4e00\u662f\u7ba1\u7406\u901a\u4fe1\u7684\u5efa\u7acb\u548c\u7ed3\u675f\uff0c\u7ba1\u7406\u5efa\u7acb\u5728TCP\u8fde\u63a5\u4e0a\u7684\u6570\u636e\u6d41\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8fde\u63a5\u7ba1\u7406<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"c1a22eb8eb8a08bdecbe00f7f33c0653\">\u5728\u5ba2\u6237\u673a\u548c\u670d\u52a1\u5668\u7684MODBUS\u6a21\u5757\u4e4b\u95f4\u7684\u901a\u4fe1\u9700\u8981\u8c03\u7528TCP\u8fde\u63a5\u7ba1\u7406\u6a21\u5757\u3002\u5b83\u8d1f\u8d23\u5168\u9762\u7ba1\u7406\u62a5\u6587\u4f20\u8f93TCP\u8fde\u63a5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"b9366f8eae23baf93a7a387dcb40e485\">\u8fde\u63a5\u7ba1\u7406\u4e2d\u5b58\u5728\u4e24\u79cd\u53ef\u80fd\uff1a\u7528\u6237\u5e94\u7528\u81ea\u8eab\u7ba1\u7406TCP\u8fde\u63a5\uff0c\u6216\u5168\u90e8\u7531\u8fd9\u4e2a\u6a21\u5757\u8fdb\u884c\u8fde\u63a5\u7ba1\u7406\uff0c\u800c\u5bf9\u7528\u6237\u5e94\u7528\u900f\u660e\u3002\u540e\u4e00\u79cd\u65b9\u6848\u7075\u6d3b\u6027\u8f83\u5dee\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"eb79f806b83c4c1f89e5121938224829\">TCP 502\u53e3\u7684\u4fa6\u542c\u662f\u4e3aMODBUS\u901a\u4fe1\u4fdd\u7559\u7684\u3002\u5728\u7f3a\u7701\u72b6\u6001\u4e0b\uff0c\u5f3a\u5236\u4fa6\u542c\u8fd9\u4e2a\u53e3\u3002\u7136\u800c\uff0c\u6709\u4e9b\u5e02\u573a\u6216\u5e94\u7528\u53ef\u80fd\u9700\u8981\u5176\u4ed6\u53e3\u4f5c\u4e3aTCP\u4e0aMODBUS\u7684\u901a\u4fe1\u4e4b\u7528\u3002\u5f53\u9700\u8981\u4e0e\u975e\u65bd\u5948\u5fb7\uff08Schneider\uff09\u4ea7\u54c1\u8fdb\u884c\u4e92\u64cd\u4f5c\u65f6\uff0c\u5c31\u5c5e\u4e8e\u8fd9\u79cd\u60c5\u51b5\uff0c\u4f8b\u5982\uff1a\u5728\u5efa\u7b51\u63a7\u5236\u4e2d\u3002\u4e3a\u6b64\uff0c\u5f3a\u70c8\u5efa\u8bae\uff1a\u5ba2\u6237\u673a\u548c\u670d\u52a1\u5668\u5747\u5e94\u5411\u7528\u6237\u63d0\u4f9b\u5bf9TCP\u53e3\u53f7\u4e0a\u7684MODBUS\u53c2\u6570\u8fdb\u884c\u914d\u7f6e\u7684\u53ef\u80fd\u6027\u3002\u91cd\u8981\u7684\u662f\uff1a\u5373\u4f7f\u5728\u67d0\u4e00\u4e2a\u7279\u5b9a\u7684\u5e94\u7528\u4e2d\u4e3aMODBUS\u670d\u52a1\u914d\u7f6e\u4e86\u5176\u4ed6TCP\u670d\u52a1\u5668\u53e3\uff0c\u9664\u4e00\u4e9b\u7279\u5b9a\u5e94\u7528\u53e3\u5916\uff0cTCP\u670d\u52a1\u5668502\u53e3\u5fc5\u987b\u4ecd\u7136\u662f\u53ef\u7528\u7684\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8bbf\u95ee\u63a7\u5236\u6a21\u5757<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"7dd03836297e9e2eab1d24009cb39c0d\">\u5728\u67d0\u4e9b\u81f3\u5173\u91cd\u8981\u7684\u573a\u5408\uff0c\u5fc5\u987b\u7981\u6b62\u4e0d\u9700\u8981\u7684\u4e3b\u673a\u5bf9\u8bbe\u5907\u5185\u90e8\u6570\u636e\u7684\u8bbf\u95ee\u3002\u8fd9\u65e2\u662f\u4e3a\u4ec0\u4e48\u9700\u8981\u5b89\u5168\u6a21\u5f0f\uff0c\u4e5f\u662f\u5728\u9700\u8981\u65f6\u5b9e\u73b0\u5b89\u5168\u5904\u7406\u7684\u539f\u56e0\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>TCP\/IP\u6808\u5c42<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"a48ad557bc55b3b4d520aa7056ddf460\">TCP\/IP\u7684\u6808\u53ef\u4ee5\u8fdb\u884c\u53c2\u6570\u914d\u7f6e\uff0c\u4ee5\u4fbf\u4e8e\u4f7f\u5f97\u6570\u636e\u6d41\u63a7\u5236\u3001\u5730\u5740\u7ba1\u7406\u548c\u8fde\u63a5\u7ba1\u7406\u9002\u5e94\u4e8e\u7279\u5b9a\u7684\u4ea7\u54c1\u6216\u7cfb\u7edf\u7684\u4e0d\u540c\u7684\u7ea6\u675f\u3002\u4e00\u822c\u8bf4\u6765\uff0cBSD\u5957\u63a5\u5b57\u63a5\u53e3\u5c31\u7528\u6765\u7ba1\u7406TCP\u8fde\u63a5\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8d44\u6e90\u7ba1\u7406\u548c\u6570\u636e\u6d41\u63a7\u5236<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"5e47759d8a96fe565c0b51ff7e9c13a2\">\u4e3a\u4e86\u5e73\u8861MODBUS\u5ba2\u6237\u673a\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u8fdb\u51fa\u62a5\u6587\u4f20\u8f93\u7684\u6570\u636e\u6d41\uff0c\u5728MODBUS\u62a5\u6587\u4f20\u8f93\u6808\u7684\u6240\u6709\u5404\u5c42\u5747\u8bbe\u7f6e\u4e86\u6570\u636e\u6d41\u63a7\u5236\u673a\u5236\u3002\u8d44\u6e90\u7ba1\u7406\u548c\u6570\u636e\u6d41\u63a7\u5236\u6a21\u5757\u9996\u5148\u662f\u57fa\u4e8eTCP\u5185\u90e8\u6570\u636e\u6d41\u63a7\u5236\uff0c\u9644\u52a0\u6570\u636e\u94fe\u8def\u5c42\u7684\u67d0\u4e9b\u6570\u636e\u6d41\u63a7\u5236\uff0c\u4ee5\u53ca\u7528\u6237\u5e94\u7528\u5c42\u7684\u6570\u636e\u6d41\u63a7\u5236\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"mrAXE\">TCP\u8fde\u63a5\u7ba1\u7406<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"R29ZM\">\u8fde\u63a5\u7ba1\u7406\u6a21\u5757<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"mdPYC\"><strong>\u603b\u4f53\u63cf\u8ff0<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"d0427858cb4027e1f355df91c9404450\">MODBUS\u901a\u4fe1\u9700\u8981\u5efa\u7acb\u5ba2\u6237\u673a\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684TCP\u8fde\u63a5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"417ccaa247fdbbb30c09ec09587908cc\">\u8fde\u63a5\u7684\u5efa\u7acb\u53ef\u4ee5\u7531\u7528\u6237\u5e94\u7528\u6a21\u5757\u76f4\u63a5\u5b9e\u73b0\uff0c\u4e5f\u53ef\u4ee5\u7531TCP\u8fde\u63a5\u7ba1\u7406\u6a21\u5757\u81ea\u52a8\u5b8c\u6210\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"8d0924bbcdeab9eafbe6188f84b0b23b\">\u5728\u7b2c\u4e00\u79cd\u60c5\u51b5\u4e0b\uff0c\u7528\u6237\u5e94\u7528\u6a21\u5757\u5fc5\u987b\u63d0\u4f9b\u5e94\u7528\u7a0b\u5e8f\u63a5\u53e3\uff0c\u4ee5\u4fbf\u5b8c\u5168\u7ba1\u7406\u8fde\u63a5\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e3a\u5e94\u7528\u5f00\u53d1\u4eba\u5458\u63d0\u4f9b\u4e86\u7075\u6d3b\u6027\uff0c\u4f46\u9700\u8981TCP\/IP\u673a\u5236\u65b9\u9762\u7684\u4e13\u957f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"8e18e7974593b34f96e4fa32afb7ad8c\">\u5728\u7b2c\u4e8c\u79cd\u65b9\u6848\u4e2d\uff0cTCP\u8fde\u63a5\u7ba1\u7406\u5b8c\u5168\u4e0d\u51fa\u73b0\uff0c\u7528\u6237\u5e94\u7528\u4ec5\u9700\u8981\u53d1\u9001\u548c\u63a5\u53d7MODBUS\u62a5\u6587\u3002TCP\u8fde\u63a5\u7ba1\u7406\u6a21\u5757\u8d1f\u8d23\u5728\u9700\u8981\u65f6\u5efa\u7acb\u65b0\u7684TCP\u8fde\u63a5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"34fcc2156a66793013fd73ecbee4ec39\">TCP\u5ba2\u6237\u673a\u548c\u670d\u52a1\u5668\u8fde\u63a5\u6570\u91cf\u7684\u5b9a\u4e49\u4e0d\u5c5e\u4e8e\u672c\u6587\u4ef6\u7684\u8303\u7574\uff08\u5728\u672c\u6587\u4e2d\u91c7\u7528n\uff09\u3002\u6839\u636e\u8bbe\u5907\u80fd\u529b\uff0cTCP\u8fde\u63a5\u7684\u6570\u91cf\u4f1a\u4e0d\u540c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5b9e\u73b0\u89c4\u5219\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u6ca1\u6709\u660e\u786e\u7684\u7528\u6237\u9700\u6c42\uff0c\u5efa\u8bae\u91c7\u7528\u81ea\u52a8\u7684TCP\u8fde\u63a5\u7ba1\u7406<\/li>\n\n\n\n<li>\u5efa\u8bae\uff1a\u6253\u5f00\u5e76\u4fdd\u6301\u4e0e\u8fdc\u7aef\u8bbe\u5907\u7684\u8fde\u63a5\uff0c\u800c\u4e0d\u8981\u5728\u6bcf\u6b21MODBUS\/TCP\u4e8b\u52a1\u5904\u7406\u65f6\u6253\u5f00\u548c\u5173\u95ed\u8fde\u63a5\u3002<span style=\"text-decoration: underline;\">\u6ce8\uff1a\u7136\u800c\uff0cMODBUS\u5ba2\u6237\u5fc5\u987b\u80fd\u591f\u63a5\u6536\u6765\u81ea\u670d\u52a1\u5668\u7684\u5173\u95ed\u8bf7\u6c42\uff0c\u5e76\u5173\u95ed\u8fde\u63a5\u3002\u5f53\u9700\u8981\u65f6\uff0c\u8fde\u63a5\u53ef\u4ee5\u88ab\u91cd\u65b0\u6253\u5f00\u3002<\/span><\/li>\n\n\n\n<li>\u5efa\u8bae\uff1a<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u6bcf\u4e00\u4e2aMODBUS\u5ba2\u6237\u81f3\u5c11\u8981\u6253\u5f00\u4e0e\u8fdc\u7aefMODBUS\u670d\u52a1\u5668\u7684TCP\u8fde\u63a5<\/mark>\uff08\u540c\u4e00IP\u5730\u5740\uff09\u3002\u4e00\u4e2a\u5e94\u7528\u5efa\u7acb\u4e00\u4e2a\u8fde\u63a5\u662f\u597d\u7684\u9009\u62e9\u3002<\/li>\n\n\n\n<li>\u51e0\u4e2aMODBUS\u4e8b\u52a1\u5904\u7406\u53ef\u4ee5\u5728\u540c\u4e00\u4e2aTCP\u8fde\u63a5\u4e0a\u88ab\u540c\u65f6\u6fc0\u6d3b\u6ce8\uff1a\u5982\u679c\u4ee5\u6b64\u65b9\u5f0f\uff0cMODBUS\u4e8b\u52a1\u5904\u7406\u6807\u8bc6\u5fc5\u987b\u88ab\u7528\u6765\u552f\u4e00\u5730\u8bc6\u522b\u8bf7\u6c42\u4e0e\u54cd\u5e94\u7684\u5339\u914d\u3002<\/li>\n\n\n\n<li>\u5728\u4e24\u4e2a\u8fdc\u7aefMODBUS\u8bbe\u5907\uff08\u4e00\u4e2a\u5ba2\u6237\u673a\u548c\u4e00\u4e2a\u670d\u52a1\u5668\uff09\u4e4b\u95f4\u53cc\u5411\u901a\u4fe1\u7684\u60c5\u51b5\u4e0b\uff0c\u6709\u5fc5\u8981\u4e3a\u5ba2\u6237\u673a\u6570\u636e\u6d41\u548c\u670d\u52a1\u5668\u6570\u636e\u6d41\u5206\u522b\u5efa\u7acb\u8fde\u63a5\u3002<\/li>\n\n\n\n<li>\u4e00\u4e2aTCP\u5e27\u53ea\u80fd\u4f20\u9001\u4e00\u4e2aMODBUS ADU\u3002\u5efa\u8bae\uff1a\u4e0d\u8981\u5728\u540c\u4e00\u4e2aTCP PDU\u4e2d\u53d1\u9001\u591a\u4e2a\u8bf7\u6c42\u6216\u5e94\u7b54\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-dominant-color=\"94702b\" data-has-transparency=\"true\" decoding=\"async\" sizes=\"(max-width: 806px) 100vw, 806px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508211530686.png\"  class=\"wp-image-28052 has-transparency\" style=\"--dominant-color: #94702b; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe6\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe6\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"1336a14e54fee81d3abcda62449fd3f4\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u56fe7\uff1aTCP\u8fde\u63a5\u7ba1\u7406\u64cd\u4f5c\u56fe<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"cb7cd0a685ebdc332e5c828e96398b2c\"><strong>1\uff0e \u663e\u5f0fTCP\u8fde\u63a5\u7ba1\u7406<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"5a9b61aac87aa950b3fc3d88bcfcf814\">\u7528\u6237\u5e94\u7528\u6a21\u5757\u8d1f\u8d23\u7ba1\u7406\u6240\u6709\u7684TCP\u8fde\u63a5\uff1a\u4e3b\u52a8\u7684\u548c\u88ab\u52a8\u7684\u8fde\u63a5\u5efa\u7acb\u3001\u8fde\u63a5\u7ed3\u675f\u2026\u2026\u2026\u3002\u5bf9\u5ba2\u6237\u673a\u4e0e\u670d\u52a1\u5668\u95f4\u6240\u6709\u7684\u8fde\u63a5\u8fdb\u884c\u8fd9\u79cd\u7ba1\u7406\u3002BSD\u5957\u63a5\u5b57\u63a5\u53e3\u7528\u5728\u7528\u6237\u5e94\u7528\u6a21\u5757\u4e2d\u6765\u7ba1\u7406TCP\u8fde\u63a5\u3002\u8fd9\u79cd\u65b9\u6848\u63d0\u4f9b\u4e86\u5b8c\u5168\u7684\u7075\u6d3b\u6027\uff0c\u4f46\u4e5f\u610f\u5473\u7740\u5e94\u7528\u5f00\u53d1\u4eba\u5458\u8981\u5177\u5907\u5145\u5206\u7684\u6709\u5173TCP\u7684\u77e5\u8bc6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"37ce42a9858b95dbf8f1d85c0d445458\">\u8003\u8651\u5230\u8bbe\u5907\u7684\u80fd\u529b\u548c\u9700\u6c42\uff0c\u5fc5\u987b\u8fdb\u884c\u914d\u7f6e\u5ba2\u6237\u673a\u4e0e\u670d\u52a1\u5668\u95f4\u8fde\u63a5\u6570\u7684\u9650\u5236\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"fde948e60045251376d2226dc2c13003\"><strong>2\uff0e \u81ea\u52a8TCP\u8fde\u63a5\u7ba1\u7406<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"fb449d6483cebea7b0f920a5904ddb51\">TCP\u8fde\u63a5\u7ba1\u7406\u5bf9\u7528\u6237\u5e94\u7528\u6a21\u5757\u662f\u5b8c\u5168\u900f\u660e\u7684\u3002\u8fde\u63a5\u7ba1\u7406\u6a21\u5757\u53ef\u4ee5\u63a5\u53d7\u8db3\u591f\u6570\u91cf\u7684\u5ba2\u6237\u673a\/\u670d\u52a1\u5668\u8fde\u63a5\u3002\u5426\u5219\uff0c\u5728\u8d85\u8fc7\u6240\u6388\u6743\u6570\u91cf\u7684\u8fde\u63a5\u65f6\u5fc5\u987b\u6709\u4e00\u79cd\u5b9e\u73b0\u673a\u5236\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5efa\u8bae\uff1a\u5173\u95ed\u6700\u65e9\u5efa\u7acb\u7684\u4e0d\u4f7f\u7528\u7684\u8fde\u63a5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"b2b858452fd97e7cf39217aa67370e40\">\u5728\u6536\u5230\u7b2c\u4e00\u4e2a\u6765\u81ea\u8fdc\u7aef\u5ba2\u6237\u673a\u6216\u672c\u5730\u7528\u6237\u5e94\u7528\u7684\u6570\u636e\u5305\u540e\uff0c\u5c31\u5efa\u7acb\u4e86\u4e0e\u8fdc\u7aef\u5bf9\u8c61\u7684\u8fde\u63a5\u3002\u5982\u679c\u4e00\u4e2a\u7f51\u7edc\u8fdb\u884c\u7ec8\u6b62\u6216\u672c\u5730\u8bbe\u5907\u51b3\u5b9a\u7ec8\u6b62\uff0c\u6b64\u8fde\u63a5\u5c06\u88ab\u5173\u95ed\u3002\u5728\u63a5\u6536\u8fde\u63a5\u8bf7\u6c42\u65f6\uff0c\u8bbf\u95ee\u63a7\u5236\u9009\u9879\u53ef\u7528\u6765\u7981\u6b62\u672a\u6388\u6743\u5ba2\u6237\u8bbf\u95ee\u8bbe\u5907\u7684\u53ef\u80fd\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"8da7175f7224729154a74cd3b41feebf\">TCP\u8fde\u63a5\u7ba1\u7406\u6a21\u5757\u91c7\u7528\u6808\u63a5\u53e3\uff08\u901a\u5e38BSD\u5957\u63a5\u5b57\u63a5\u53e3\uff09\u6765\u4e0eTCP\/IP\u6808\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"2343b0c71ffe42d1d725439955756e86\">\u4e3a\u4e86\u4fdd\u6301\u7cfb\u7edf\u9700\u6c42\u4e0e\u670d\u52a1\u5668\u8d44\u6e90\u4e4b\u95f4\u7684\u517c\u5bb9\uff0cTCP\u7ba1\u7406\u5c06\u4fdd\u6301\u4e24\u4e2a\u8fde\u63a5<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u5e93<\/mark>\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c\u4e00\u4e2a<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u5e93<\/mark>\uff08\u4f18\u5148\u8fde\u63a5<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u5e93<\/mark>\uff09\u7531\u90a3\u4e9b\u4ece\u4e0d\u88ab\u672c\u5730\u4e3b\u52a8\u5173\u95ed\u7684\u8fde\u63a5\u7ec4\u6210\u3002\u5fc5\u987b\u63d0\u4f9b\u4e00\u4e2a\u914d\u7f6e\u6765\u5efa\u7acb\u8fd9\u4e2a\u5e93\u3002\u5b9e\u73b0\u7684\u539f\u7406\u662f\u5c06\u8fd9\u4e2a\u5e93\u7684\u6bcf\u4e00\u4e2a\u53ef\u80fd\u7684\u8fde\u63a5\u4e0e\u4e00\u4e2a\u7279\u5b9a\u7684IP\u5730\u5740\u8054\u7cfb\u8d77\u6765\u3002\u5177\u6709\u8fd9\u4e2aIP\u5730\u5740\u7684\u8bbe\u5907\u88ab\u79f0\u4e3a\u201c\u6807\u8bb0\u7684\u201d\u3002\u4efb\u4f55\u4e00\u4e2a\u88ab\u201c\u6807\u8bb0\u7684\u201d\u8bbe\u5907\u7684\u65b0\u7684\u8fde\u63a5\u8bf7\u6c42\u5fc5\u987b\u88ab\u63a5\u6536\uff0c\u5e76\u4ece\u4f18\u5148\u8fde\u63a5\u5e93\u4e2d\u53d6\u51fa\u3002\u8fd8\u6709\u5fc5\u8981\u8bbe\u7f6e\u5141\u8bb8\u6bcf\u4e2a\u8fdc\u7aef\u8bbe\u5907\u6700\u591a\u5efa\u7acb\u8fde\u63a5\u7684\u6570\u91cf\uff0c\u4ee5\u907f\u514d\u540c\u4e00\u8bbe\u5907\u4f7f\u7528\u4f18\u5148\u8fde\u63a5\u5e93\u4e2d\u6240\u6709\u7684\u8fde\u63a5\u3002<\/li>\n\n\n\n<li>\u7b2c\u4e8c\u4e2a\u5e93\uff08\u975e\u4f18\u5148\u8fde\u63a5\u5e93\uff09\u5305\u62ec\u4e86\u975e\u6807\u8bb0\u8bbe\u5907\u7684\u8fde\u63a5\u3002\u8fd9\u91cc\u91c7\u7528\u7684\u89c4\u5219\u662f\uff1a\u5f53\u6709\u6765\u81ea\u975e\u6807\u8bb0\u8bbe\u5907\u7684\u65b0\u7684\u8fde\u63a5\u8bf7\u6c42\uff0c\u4ee5\u53ca\u5e93\u4e2d\u6ca1\u6709\u8fde\u63a5\u53ef\u7528\u65f6\uff0c\u5173\u95ed\u65e9\u4e9b\u65f6\u5019\u5efa\u7acb\u7684\u8fde\u63a5\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"632ab0354c68624f49f6b85e81fce31a\">\u4e00\u4e2a\u914d\u7f6e\u53ef\u4f5c\u4e3a\u9009\u9879\u63d0\u4f9b\u6765\u5206\u914d\u6bcf\u4e2a\u5e93\u4e2d\u53ef\u7528\u8fde\u63a5\u7684\u6570\u91cf\u3002\u7136\u800c\uff08\u975e\u5f3a\u5236\u6027\u7684\uff09\uff0c\u5982\u679c\u9700\u8981\uff0c\u8bbe\u8ba1\u4eba\u5458\u53ef\u5728\u8bbe\u8ba1\u671f\u95f4\u8bbe\u5b9a\u8fde\u63a5\u7684\u6570\u91cf\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"TFLTv\"><strong>\u8fde\u63a5\u7ba1\u7406\u63cf\u8ff0<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8fde\u63a5\u5efa\u7acb<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"812c775ee6b8b04e4654e0048e87873e\">MODBUS\u62a5\u6587\u4f20\u8f93\u670d\u52a1\u5fc5\u987b\u5728502\u53e3\u4e0a\u63d0\u4f9b\u4e00\u4e2a\u4fa6\u542c\u5957\u63a5\u5b57\uff0c\u5141\u8bb8\u63a5\u6536\u65b0\u7684\u8fde\u63a5\u548c\u4e0e\u5176\u4ed6\u8bbe\u5907\u4ea4\u6362\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"8c9d82f9bb448601e2742c3ed228c4e9\">\u5f53\u62a5\u6587\u4f20\u8f93\u670d\u52a1\u9700\u8981\u4e0e\u8fdc\u7aef\u670d\u52a1\u5668\u4ea4\u6362\u6570\u636e\u65f6\uff0c\u5b83\u5fc5\u987b\u4e0e\u8fdc\u7aef502\u53e3\u5efa\u7acb\u4e00\u4e2a\u65b0\u7684\u5ba2\u6237\u8fde\u63a5\uff0c\u4ee5\u4fbf\u4e0e\u8fdc\u8ddd\u79bb\u4ea4\u6362\u6570\u636e\u3002\u672c\u5730\u53e3\u5fc5\u987b\u9ad8\u4e8e1024\uff0c\u5e76\u4e14\u6bcf\u4e2a\u5ba2\u6237\u8fde\u63a5\u5404\u4e0d\u76f8\u540c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-dominant-color=\"dcdcdc\" data-has-transparency=\"true\" decoding=\"async\" sizes=\"(max-width: 726px) 100vw, 726px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508211601399.png\"  class=\"wp-image-28053 has-transparency\" style=\"--dominant-color: #dcdcdc; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe7\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe7\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"5caa82e0a6200ae4e6988d497ac79ff8\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u56fe8\uff1aMODBUS TCP\/IP\u8fde\u63a5\u5efa\u7acb<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"40c119c72be4b3dc381ef5bb1d9c8fea\">\u5982\u679c\u5ba2\u6237\u673a\u4e0e\u670d\u52a1\u5668\u7684\u8fde\u63a5\u6570\u91cf\u5927\u4e8e\u6388\u6743\u7684\u8fde\u63a5\u6570\u91cf\uff0c\u5219\u6700\u65e9\u5efa\u7acb\u7684\u65e0\u7528\u7684\u8fde\u63a5\u88ab\u5173\u95ed\u3002\u6fc0\u6d3b\u8bbf\u95ee\u63a7\u5236\u673a\u5236\u68c0\u67e5\u8fdc\u7aef\u5ba2\u6237\u673a\u7684IP\u5730\u5740\u662f\u5426\u662f\u7ecf\u8fc7\u6388\u6743\u7684\u3002\u5982\u679c\u672a\u7ecf\u6388\u6743\uff0c\u5c06\u62d2\u7edd\u65b0\u7684\u8fde\u63a5\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MODBUS\u6570\u636e\u53d8\u6362<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"bf6ff5653917eb4e34081e8b40b04bf0\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u57fa\u4e8e\u5df2\u7ecf\u6253\u5f00\u7684\u6b63\u786e\u7684TCP\u8fde\u63a5\u53d1\u9001MODBUS\u8bf7\u6c42<\/mark>\u3002\u8fdc\u7aef\u8bbe\u5907\u7684IP\u5730\u5740\u7528\u4e8e\u5bfb\u627e\u6240\u5efa\u7684TCP\u8fde\u63a5\u3002\u5728\u4e0e\u540c\u4e00\u4e2a\u8fdc\u7aef\u8bbe\u5907\u5efa\u7acb\u591a\u4e2a\u8fde\u63a5\u65f6\uff0c\u5fc5\u987b\u9009\u62e9\u5176\u4e2d\u4e00\u4e2a\u8fde\u63a5\u7528\u4e8e\u53d1\u9001MODBUS\u62a5\u6587\uff0c\u53ef\u4ee5\u91c7\u53d6\u4e0d\u540c\u7684\u9009\u62e9\u7b56\u7565\uff0c\u4f8b\u5982\uff1a\u6700\u65e9\u7684\u8fde\u63a5\u3001\u7b2c\u4e00\u4e2a\u8fde\u63a5\u3002\u5728MODBUS\u901a\u4fe1\u7684\u5168\u8fc7\u7a0b\u4e2d\uff0c\u8fde\u63a5\u5fc5\u987b\u59cb\u7ec8\u4fdd\u6301\u6253\u5f00\u3002\u5982\u540c\u4e0b\u5217\u5404\u7ae0\u6240\u63cf\u8ff0\u7684\u4e00\u6837\uff0c\u4e00\u4e2a\u5ba2\u6237\u673a\u53ef\u4ee5\u5411\u4e00\u4e2a\u670d\u52a1\u5668\u542f\u52a8\u591a\u4e2a\u4e8b\u52a1\u5904\u7406\uff0c\u800c\u4e0d\u5fc5\u7b49\u5f85\u524d\u5e8f\u4e8b\u7269\u5904\u7406\u7ed3\u675f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fde\u63a5\u5173\u95ed<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"a7a8361720f4b0e2728d5fd524e1f55a\">\u5f53\u5ba2\u6237\u673a\u4e0e\u670d\u52a1\u5668\u95f4\u7684MODBUS\u901a\u4fe1\u7ed3\u675f\u65f6\uff0c\u5ba2\u6237\u673a\u5fc5\u987b\u5173\u95ed\u7528\u4e8e\u901a\u4fe1\u7684\u8fde\u63a5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"tcnyx\">\u64cd\u4f5c\u6a21\u5f0f\u5bf9TCP\u8fde\u63a5\u7684\u5f71\u54cd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"957ac304f8593a8fc96f4ad28174f487\">\u67d0\u4e9b\u64cd\u4f5c\u6a21\u5f0f\uff08\u4e24\u64cd\u4f5c\u7aef\u70b9\u4e4b\u95f4\u901a\u4fe1\u65ad\u5f00\u3001\u4e00\u4e2a\u7aef\u70b9\u7684\u6545\u969c\u548c\u91cd\u65b0\u542f\u52a8\u3001\u2026\u2026\u2026\uff09\u4f1a\u5bf9TCP\u8fde\u63a5\u4ea7\u751f\u5f71\u54cd\u3002\u4e00\u4e2a\u8fde\u63a5\u53ef\u88ab\u89c6\u4e3a\u5728\u8fd9\u4e00\u4fa7\u5173\u95ed\u6216\u5f02\u5e38\u7ec8\u6b62\u800c\u6ca1\u6709\u53e6\u4e00\u4fa7\u7684\u786e\u8ba4\uff0c\u79f0\u8fd9\u79cd\u8fde\u63a5\u4e3a\u201c\u534a\u6253\u5f00\u201d\u7684\u8fde\u63a5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"1a0f1d307129a2fe0a6d6cbaa71ba0ad\">\u672c\u7ae0\u63cf\u8ff0\u6bcf\u79cd\u4e3b\u8981\u64cd\u4f5c\u6a21\u5f0f\u7684<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u7279\u6027<\/mark>\u3002\u5047\u8bbe\u5728\u8fde\u63a5\u7684\u4e24\u7aef\u91c7\u7528\u4e86\u201c <strong>\u4fdd\u6301\u8fde\u63a5<\/strong> 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style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u4fdd\u6301\u8fde\u63a5<\/mark>\u201d\u8ba1\u65f6\u5668\u7ec8\u6b62\u4e4b\u524dTCP\u6808\u8fde\u63a5\u5c42\u590d\u4f4d\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"jRHp5\"><strong>\u670d\u52a1\u5668\u7aef\u7684\u6545\u969c\u548c\u91cd\u65b0\u542f\u52a8<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"fb8cbc886ab74b9564b8b263fca5b8bf\">\u5728\u670d\u52a1\u5668\u6545\u969c\u548c\u91cd\u65b0\u542f\u52a8\u4ee5\u540e\uff0c\u5ba2\u6237\u7aef\u5904\u4e8e\u201c\u534a\u6253\u5f00\u201d\u8fde\u63a5\u72b6\u6001\u3002\u9884\u671f\u7684<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u7279\u6027<\/mark>\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u5728\u534a\u6253\u5f00\u7684\u8fde\u63a5\u4e0a\u6ca1\u6709\u53d1\u9001\u6570\u636e\u5305\uff1a<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" 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class=\"wp-block-list\">\n<li>\u6240\u6253\u5f00\u7684\u8fde\u63a5\u4e0e\u670d\u52a1\u5668\u4fa7\u534a\u6253\u5f00\u7684\u8fde\u63a5\u5177\u6709\u76f8\u540c\u7684\u7279\u6027\uff08\u76f8\u540c\u7684\u6e90\u548c\u76ee\u7684\u53e3\u3001\u76f8\u540c\u7684\u6e90\u548c\u76ee\u7684IP\u5730\u5740\uff09\uff0c\u6240\u4ee5\uff0c\u5728\u8fde\u63a5\u5efa\u7acb\u8d85\u65f6\u540e\uff08\u4f2f\u514b\u5229\u5b9e\u73b0\u7684\u591a\u6570\u60c5\u51b5\u4e0b\u4e3a75ms\uff09\uff0cTCP\u6808\u5c42\u5c06\u4e0d\u80fd\u6253\u5f00\u8fde\u63a5\u3002\u4e3a\u4e86\u907f\u514d\u8f83\u957f\u8d85\u65f6\u65f6\u95f4\u5185\u4e0d\u80fd\u8fdb\u884c\u901a\u4fe1\uff0c\u5efa\u8bae\uff1a\u5728\u5ba2\u6237\u673a\u7aef\u91cd\u65b0\u542f\u52a8\u540e\uff0c\u786e\u4fdd\u4f7f\u7528\u4e0e\u539f\u6709\u8fde\u63a5\u4e0d\u540c\u7684\u6e90\u53e3\u53f7\u5efa\u7acb\u8fde\u63a5\u3002<\/li>\n\n\n\n<li>\u6240\u6253\u5f00\u7684\u8fde\u63a5\u4e0e\u670d\u52a1\u5668\u4fa7\u534a\u6253\u5f00\u7684\u8fde\u63a5\u5177\u6709\u4e0d\u540c\u7684\u7279\u6027\uff08\u4e0d\u540c\u7684\u6e90\u53e3\u548c\u76f8\u540c\u7684\u76ee\u7684\u53e3\u3001\u76f8\u540c\u7684\u6e90\u548c\u76ee\u7684IP\u5730\u5740\uff09\uff0c\u6240\u4ee5\uff0c\u5728TCP\u6808\u5c42\u4e0a\u6253\u5f00\u8fde\u63a5\uff0c\u5e76\u5411\u670d\u52a1\u5668\u4fa7\u7684TCP\u7ba1\u7406\u5c42\u53d1\u9001\u4fe1\u53f7\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"4619a9f92ae8258b549d60bb960a794c\">\u5982\u679c\u670d\u52a1\u5668\u4fa7TCP\u7ba1\u7406\u5c42\u4ec5\u652f\u6301\u4e00\u4e2a\u8fdc\u7aef\u5ba2\u6237\u673aIP\u5730\u5740\u7684\u8fde\u63a5\uff0c\u90a3\u4e48\u53ef\u4ee5\u5173\u95ed\u539f\u6765\u7684\u534a\u6253\u5f00\u7684\u8fde\u63a5\uff0c\u4f7f\u7528\u65b0\u7684\u8fde\u63a5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"3cd6a20dd15a7c404065d15295f3bfa0\">\u5982\u679c\u670d\u52a1\u5668\u4fa7TCP\u7ba1\u7406\u5c42\u652f\u6301\u591a\u4e2a\u8fdc\u7aef\u5ba2\u6237\u673aIP\u5730\u5740\u7684\u8fde\u63a5\uff0c\u90a3\u4e48\u65b0\u7684\u8fde\u63a5\u4fdd\u6301\u6253\u5f00\u72b6\u6001\uff0c\u539f\u6765\u7684\u8fde\u63a5\u4e5f\u4fdd\u6301\u534a\u6253\u5f00\u72b6\u6001\uff0c\u76f4\u5230\u201c<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u4fdd\u6301\u8fde\u63a5<\/mark>\u201d\u8ba1\u65f6\u5668\u8ba1\u65f6\u7ed3\u675f\uff0c\u6b64\u65f6\uff0c\u5c06\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\u5230TCP\u7ba1\u7406\u5c42\u3002\u4e4b\u540e\uff0cTCP\u7ba1\u7406\u5c42\u5c06\u80fd\u591f\u590d\u4f4d\u539f\u6709\u7684\u8fde\u63a5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"wfyeD\">\u8bbf\u95ee\u63a7\u5236\u6a21\u5757<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"5d1ed0eafe795a7b32e8d8243bec9145\">\u8fd9\u4e2a\u6a21\u5757\u7684\u76ee\u7684\u662f\u68c0\u67e5\u6bcf\u4e00\u4e2a\u65b0\u7684\u8fde\u63a5\uff0c\u5bf9\u7167\u4e00\u4e2a\u5408\u6cd5\u6388\u6743\u7684\u8fdc\u7a0bIP\u5730\u5740\u5217\u8868\uff0c\u5b83\u53ef\u4ee5\u6388\u6743\u6216\u7981\u6b62\u4e00\u4e2a\u8fdc\u7aef\u5ba2\u6237\u673a\u7684TCP\u8fde\u63a5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"36397456cb95693f5c15e00124db317a\">\u5728\u81f3\u5173\u91cd\u8981\u7684<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u573a\u5408<\/mark>\uff0c\u5e94\u7528\u5f00\u53d1\u4eba\u5458\u9700\u8981\u9009\u62e9\u8bbf\u95ee\u63a7\u5236\u6a21\u5757\u6765\u4fdd\u8bc1\u7f51\u7edc\u7684\u8bbf\u95ee\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u5bf9\u6bcf\u4e2a\u8fdc\u7aefIP\u6388\u6743\u6216\u7981\u6b62\u8bbf\u95ee\u3002\u7528\u6237\u9700\u63d0\u4f9b\u4e00\u4e2aIP\u5730\u5740\u7684\u5217\u8868\uff0c\u5e76\u7279\u522b\u6ce8\u660e\u6bcf\u4e2aIP\u5730\u5740\u662f\u5426\u5408\u6cd5\u6388\u6743\u3002\u5728\u7f3a\u7701\u60c5\u51b5\u4e0b\uff0c\u5728\u5b89\u5168\u6a21\u5f0f\u4e2d\uff0c\u7528\u6237\u672a\u914d\u7f6e\u7684IP\u5730\u5740\u5747\u88ab\u7981\u6b62\u3002\u6240\u4ee5\uff0c\u501f\u52a9\u4e8e\u8bbf\u95ee\u63a7\u5236\u6a21\u5f0f\uff0c\u5173\u95ed\u6765\u81ea\u672a\u77e5\u7684IP\u5730\u5740\u7684\u8bbf\u95ee\u8fde\u63a5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"bUQur\">TCP\/IP\u6808\u7684\u4f7f\u7528<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"388eb8e946f4b795bc299647d1478509\">TCP\/IP\u6808\u63d0\u4f9b\u4e86\u4e00\u4e2a\u63a5\u53e3\uff0c\u7528\u6765\u7ba1\u7406\u8fde\u63a5\u3001\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\uff0c\u8fd8\u53ef\u4ee5\u8fdb\u884c\u53c2\u6570\u914d\u7f6e\uff0c\u4ee5\u4f7f\u5f97\u6808<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u7684\u7279\u6027<\/mark>\u9002\u5e94\u4e8e\u8bbe\u5907\u6216\u7cfb\u7edf\u7684\u9650\u5236\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"49f09b6e04c4267d88bd4535ca42bd0f\">\u672c\u7ae0\u7684\u76ee\u7684\u662f\u7ed9\u51fa\u6709\u5173\u6808\u63a5\u53e3\u7684\u7efc\u8ff0\uff0c\u4ee5\u53ca\u4e00\u4e9b\u4e0e\u6808\u7684\u53c2\u6570\u914d\u7f6e\u6709\u5173\u7684\u4fe1\u606f\u3002\u603b\u63fd\u7efc\u8ff0\u4e3b\u8981\u662fMODBUS\u62a5\u6587\u4f20\u8f93\u6240\u4f7f\u7528\u7684\u4e00\u4e9b\u7279\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"1f92cb2beafe1cfaececd885f95db12f\">\u5bf9\u4e8e\u66f4\u591a\u7684\u4fe1\u606f\uff0c\u5efa\u8bae\u9605\u8bfbRFC 1122\uff0c\u8fd9\u4e2aRFC 1122\u4e3a\u5382\u5546\u548c\u5f00\u53d1\u5546\u63d0\u4f9b\u4e86\u4e92\u8054\u7f51\u901a\u4fe1\u8f6f\u4ef6\u7684\u6307\u5357\u3002RFC 1122\u8be6\u8ff0\u4e86\u4e00\u4e2a\u8fde\u63a5\u5230\u4e92\u8054\u7f51\u7684\u4e3b\u673a\u5fc5\u987b\u91c7\u7528\u7684\u6807\u51c6\u534f\u8bae\uff0c\u4ee5\u53ca\u4e00\u7ec4\u660e\u786e\u7684\u9700\u6c42\u548c\u9009\u9879\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"bcfc3221a74da564c3a8621d842882e5\">\u6808\u63a5\u53e3\u4e00\u822c\u662f\u57fa\u4e8e\u672c\u6587\u4ef6\u4e2d\u63cf\u8ff0\u7684BSD\uff08\u4f2f\u514b\u5229\u8f6f\u4ef6\u5206\u914d\u4ee3\u7801\uff09\u63a5\u53e3\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-dominant-color=\"86b674\" data-has-transparency=\"true\" decoding=\"async\" sizes=\"(max-width: 410px) 100vw, 410px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508211654827.png\"  class=\"wp-image-28054 has-transparency\" style=\"--dominant-color: #86b674; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe8\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe8\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"wZJJX\">BSD\u5957\u63a5\u5b57\u63a5\u53e3\u7684\u5e94\u7528<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"29250b7fb7f103704e4d6828db500b50\"><em>\u6ce8\uff1a\u6709\u4e9bTCP\/IP\u6808\u4ece\u6027\u80fd\u8003\u8651\u63d0\u51fa\u5176\u4ed6\u7c7b\u578b\u7684\u63a5\u53e3\u3002MODBUS\u5ba2\u6237\u673a\u6216\u670d\u52a1\u5668\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u7279\u5b9a\u7684\u63a5\u53e3\uff0c\u4f46\u662f\u5728\u672c\u6587\u4ef6\u4e2d\u5bf9\u8fd9\u79cd\u4f7f\u7528\u4e0d\u505a\u63cf\u8ff0\u3002<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"00ca62ce668bc391d666a6a4a4ee74bd\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u4e00\u4e2a\u5957\u63a5\u5b57\u662f\u4e00\u4e2a\u901a\u4fe1\u7aef\u70b9\uff0c\u5b83\u662f\u901a\u4fe1\u4e2d\u7684\u57fa\u672c\u6784\u6210\u5757\u3002\u901a\u8fc7\u5957\u63a5\u5b57\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u53ef\u4ee5\u6267\u884c\u4e00\u4e2aMODBUS\u901a\u4fe1\u3002TCO\/IP\u5e93\u4ec5\u63d0\u4f9b\u4e86\u4f7f\u7528TCP\u548c\u63d0\u4f9b\u57fa\u4e8e\u8fde\u63a5\u7684\u901a\u4fe1\u670d\u52a1\u7684\u6d41\u5957\u63a5\u5b57\u3002<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"939196f8a6ab2199b37c504172e759d6\">socket()\u51fd\u6570\u7528\u6765\u521b\u5efa\u5957\u63a5\u5b57\u3002\u8fd4\u56de\u7684\u4e00\u4e2a\u5957\u63a5\u5b57\u53f7\u88ab\u521b\u5efa\u8005\u7528\u6765\u8bbf\u95ee\u5957\u63a5\u5b57\u3002\u5957\u63a5\u5b57\u521b\u5efa\u65f6\u6ca1\u6709\u5730\u5740\uff08IP\u5730\u5740\u548c\u53e3\u53f7\uff09\u3002\u76f4\u5230\u4e00\u4e2a\u53e3\u88ab\u7ed1\u5b9a\u5230\u8be5\u5957\u63a5\u5b57\u65f6\uff0c\u65b9\u53ef\u63a5\u6536\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"0020b27a6df03b29e97d46a70c040b61\">bind()\u51fd\u6570\u7528\u6765\u7ed1\u5b9a\u4e00\u4e2a\u53e3\u53f7\u5230\u5957\u63a5\u5b57\u3002bind()\u51fd\u6570\u5728\u5957\u63a5\u5b57\u4e0e\u6240\u6307\u5b9a\u7684\u53e3\u53f7\u4e4b\u95f4\u5efa\u7acb\u4e00\u4e2a\u8fde\u63a5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"9c889b640833d4e41f8a51b2617a5897\">\u4e3a\u4e86\u521d\u59cb\u5316\u4e00\u4e2a\u8fde\u63a5\uff0c\u5ba2\u6237\u7aef\u5fc5\u987b\u53d1\u9001connect()\u51fd\u6570\u6765\u6307\u5b9a\u5957\u63a5\u5b57\u53f7\u3001\u8fdc\u7aefIP\u5730\u5740\u548c\u8fdc\u7aef\u4fa6\u542c\u53e3\u53f7\uff08\u4e3b\u52a8\u8fde\u63a5\u5efa\u7acb\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"4ddcbb081096cbe46aaa6c8b1c0197cb\">\u4e3a\u4e86\u5b8c\u6210\u8fde\u63a5\uff0c\u670d\u52a1\u5668\u7aef\u5fc5\u987b\u53d1\u9001accept()\u51fd\u6570\u6307\u5b9a\u4ee5\u524d\u5728listen()\u8c03\u7528\u4e2d\u6240\u6307\u5b9a\u7684\u5957\u63a5\u5b57\u53f7\uff08\u88ab\u52a8\u8fde\u63a5\u5efa\u7acb\uff09\u3002\u4e00\u4e2a\u65b0\u7684\u5957\u63a5\u5b57\u88ab\u521b\u5efa\uff0c\u5e76\u5177\u6709\u4e0e\u6700\u521d\u76f8\u540c\u7684\u7279\u6027\u3002\u8fd9\u4e2a\u65b0\u7684\u5957\u63a5\u5b57\u8fde\u63a5\u5230\u5ba2\u6237\u673a\u7684\u5957\u63a5\u5b57\uff0c\u800c\u5c06\u5957\u63a5\u5b57\u53f7\u8fd4\u56de\u5230\u670d\u52a1\u5668\u7aef\u3002\u4e8e\u662f\uff0c\u91ca\u653e\u521d\u59cb\u5957\u63a5\u5b57\uff0c\u4ee5\u4fbf\u4e3a\u5176\u4ed6\u6b32\u4e0e\u670d\u52a1\u5668\u8fde\u63a5\u7684\u5ba2\u6237\u673a\u4f7f\u7528\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"80c6da34949cc35ac112ab155273de43\">\u5728TCP\u8fde\u63a5\u5efa\u7acb\u4ee5\u540e\uff0c\u6570\u636e\u5373\u53ef\u88ab\u4f20\u9012\u3002\u5c06Send()\u548crecv()\u51fd\u6570\u4e13\u95e8\u5730\u8bbe\u8ba1\u6210\u4e0e\u5df2\u7ecf\u8fde\u63a5\u7684\u5957\u63a5\u5b57\u4e00\u9053\u4f7f\u7528\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"dbd28f1eaaac49d3d872d1a16e9c9745\">setsockopt()\u51fd\u6570\u5141\u8bb8\u5957\u63a5\u5b57\u7684\u521b\u5efa\u8005\u7528\u5957\u63a5\u5b57\u5efa\u7acb\u82e5\u5e72\u9009\u9879\u3002\u8fd9\u4e9b\u9009\u9879\u63cf\u8ff0\u4e86\u5957\u63a5\u5b57\u7684\u64cd\u4f5c\u7279\u5f81\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"5e4630adac6963e602c523d06fbcde93\">select()\u51fd\u6570\u5141\u8bb8\u7f16\u7a0b\u4eba\u5458\u6d4b\u8bd5\u6240\u6709\u5957\u63a5\u5b57\u4e0a\u7684\u4e8b\u4ef6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"344018c041e917100cc7c487479f6ab2\">shutdown()\u51fd\u6570\u5141\u8bb8\u5957\u63a5\u5b57\u7684\u4f7f\u7528\u8005\u6765\u7ec8\u6b62send()\u548c\/\u6216recv()\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"161fabf7458cd16335a4ab3ce183b0f2\">\u4e00\u65e6\u4e0d\u518d\u9700\u8981\u5957\u63a5\u5b57\uff0c\u53ef\u4ee5\u4f7f\u7528close()\u51fd\u6570\u6765\u653e\u5f03\u5957\u63a5\u5b57\u7684\u63cf\u8ff0\u4fe1\u606f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-dominant-color=\"ececec\" data-has-transparency=\"true\" decoding=\"async\" sizes=\"(max-width: 816px) 100vw, 816px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508211725797.png\"  class=\"wp-image-28055 has-transparency\" style=\"--dominant-color: #ececec; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe9\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe9\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"f923155ed70c8f0198c54ad0d590e87e\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u56fe9\uff1aMODBUS\u4fe1\u606f\u4ea4\u6362<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"b8807148311cd0615bd1a37afabcee71\">\u4e0a\u56fe\u7ed9\u51fa\u4e86\u5ba2\u6237\u673a\u4e0e\u670d\u52a1\u5668\u95f4\u7684\u5b8c\u6574\u7684MODBUS\u901a\u4fe1\u8fc7\u7a0b\u3002\u5ba2\u6237\u673a\u5efa\u7acb\u4e00\u4e2a\u8fde\u63a5\uff0c\u5411\u670d\u52a1\u5668\u53d1\u90013\u4e2aMODBUS\u8bf7\u6c42\uff0c\u800c\u4e0d\u7b49\u5f85\u7b2c\u4e00\u4e2a\u8bf7\u6c42\u7684\u5e94\u7b54\u5230\u6765\u3002\u5728\u6536\u5230\u6240\u6709\u7684\u5e94\u7b54\u540e\uff0c\u5ba2\u6237\u673a\u6b63\u5e38\u5730\u5173\u95ed\u8fde\u63a5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"kkoxn\">TCP\u5c42\u53c2\u6570\u914d\u7f6e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"de64e62841825878102543299f6e18a3\">\u53ef\u4ee5\u8c03\u6574TCP\/IP\u6808\u7684\u4e00\u4e9b\u53c2\u6570\u4ee5\u4f7f\u5f97\u5176\u7279\u6027\u6ee1\u8db3\u4ea7\u54c1\u6216\u7cfb\u7edf\u7684\u9650\u5236\u3002TCP\u5c42\u7684\u4e0b\u5217\u53c2\u6570\u53ef\u4ee5\u8fdb\u884c\u8c03\u6574\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6bcf\u4e2a\u8fde\u63a5\u7684\u53c2\u6570<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"db8227ee4b8de86a94be5ee1801953b3\">SO-RCVBUF, SO-SNDBUF:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"2fe431d419a3515c1434a8b56fe89021\">\u8fd9\u4e9b\u53c2\u6570\u5141\u8bb8\u4e3a\u53d1\u9001\u548c\u63a5\u6536\u7528\u5957\u63a5\u5b57\u63a5\u53e3\u8bbe\u5b9a\u9ad8\u9650\u4f4d\u3002\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u8fd9\u4e9b\u53c2\u6570\u6765\u5b9e\u73b0\u6d41\u91cf\u63a7\u5236\u7ba1\u7406\u3002\u63a5\u6536\u7f13\u5b58\u533a\u7684\u7684\u5927\u5c0f\u5373\u4e3a\u6bcf\u4e2a\u8fde\u63a5advertised window\u7684\u6700\u5927\u503c\u3002\u4e3a\u4e86\u63d0\u9ad8\u6027\u80fd\uff0c\u5fc5\u987b\u589e\u52a0\u5957\u63a5\u5b57\u7f13\u5b58\u533a\u7684\u5927\u5c0f\u3002\u5426\u5219\uff0c\u8fd9\u4e9b\u503c\u5fc5\u987b\u5c0f\u4e8e\u5185\u90e8\u9a71\u52a8\u5668\u7684\u8d44\u6e90\uff0c\u4ee5\u4fbf\u5728\u5185\u90e8\u9a71\u52a8\u5668\u7684\u8d44\u6e90\u8017\u5c3d\u4e4b\u524d\u5173\u95edTCP\u7a97\u53e3\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"d5fb0162dd4ed51576c265d998988725\">\u63a5\u6536\u7f13\u5b58\u533a\u5927\u5c0f\u53d6\u51b3\u4e8eTCP\u7a97\u53e3\u5927\u5c0f\u3001TCP\u6700\u5927\u6bb5\u7684\u5927\u5c0f\u548c\u63a5\u6536\u8f93\u5165\u5e27\u6240\u9700\u7684\u65f6\u95f4\u3002\u7531\u4e8e\u6700\u5927\u6bb5\u7684\u5c3a\u5bf8\u4e3a300\u4e2a\u5b57\uff08\u4e00\u4e2aMODBUS\u8bf7\u6c42\u9700\u8981\u6700\u5927256\u5b57+MBAP\u62a5\u6587\u5934\uff09,\u5982\u679c\u9700\u89813\u5e27\u8fdb\u884c\u7f13\u5b58\uff0c\u53ef\u5c06\u5957\u63a5\u5b57\u7f13\u5b58\u533a\u5927\u5c0f\u8c03\u6574\u4e3a900\u5b57\u3002\u4e3a\u4e86\u6ee1\u8db3\u6700\u5927\u7684\u7f13\u5b58\u9700\u6c42\u548c\u9884\u5b9a\u7684\u65f6\u95f4\uff0c\u53ef\u4ee5\u589e\u52a0TCP\u7a97\u53e3\u7684\u5927\u5c0f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"61f4588757f5f9e3b3670ad21490e755\">TCP-NODELAY:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"59882dd6b41ee066da130586bce9790d\">\u901a\u5e38\uff0c\u5c0f\u62a5\u6587\uff08\u79f0\u4e3a\uff1atinygrams\uff09\u5728\u5c40\u57df\u7f51\uff08LAN\uff09\u4e0a\u7684\u4f20\u8f93\u4e0d\u4f1a\u4ea7\u751f\u95ee\u9898\uff0c\u56e0\u4e3a\u591a\u6570\u5c40\u57df\u7f51\u662f\u4e0d\u62e5\u5835\u7684\uff0c\u4f46\u662f\uff0c\u8fd9\u4e9btinygrams\u5728\u5e7f\u57df\u7f51\u4e0a\u5c06\u4f1a\u9020\u6210\u62e5\u5835\u3002\u4e00\u4e2a\u79f0\u4e3a\u201cNAGLE\u7b97\u6cd5\u201d\u7684\u7b80\u5355\u65b9\u6848\u662f\uff1a\u6536\u96c6\u5c0f\u91cf\u7684\u6570\u636e\uff0c\u5f53\u524d\u9762\u62a5\u6587\u7684TCP\u786e\u8ba4\u5230\u8fbe\u65f6\u518d\u7528\u5355\u4e2a\u8fdb\u884c\u53d1\u9001\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ea4bc67136a2f7b2590b83b0170a0569\">\u4e3a\u4e86\u83b7\u5f97\u66f4\u597d\u7684\u5b9e\u65f6\u7279\u6027\uff0c\u5efa\u8bae\uff1a\u5c06\u5c0f\u91cf\u7684\u6570\u636e\u76f4\u63a5\u53d1\u9001\uff0c\u800c\u4e0d\u8981\u8bd5\u56fe\u5c06\u5176\u6536\u96c6\u5230\u4e00\u4e2a\u6bb5\u5185\u518d\u53d1\u9001\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5efa\u8bae\u5f3a\u5236TCP-NODELAY\u9009\u9879\uff0c\u8fd9\u4e2a\u9009\u9879\u7981\u7528\u5ba2\u6237\u673a\u548c\u670d\u52a1\u5668\u8fde\u63a5\u7684\u201cNAGLE\u7b97\u6cd5\u201d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"5fd912b5aa305ddbd9edc494fea58534\">SO-REUSEADDR:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"b5c08a7983442cf50c5f6f7dcc433160\">\u5f53MODBUS\u670d\u52a1\u5668\u5173\u95ed\u4e00\u4e2a\u7531\u8fdc\u7aef\u5ba2\u6237\u542f\u52a8\u7684TCP\u8fde\u63a5\u65f6\uff0c\u5728\u8fd9\u4e2a\u8fde\u63a5\u5904\u4e8e\u201c\u65f6\u95f4\u7b49\u5f85\u201d\u72b6\u6001\uff08\u4e24\u4e2aMSL\uff1a\u6700\u5927\u6bb5\u5bff\u547d\uff09\u7684\u8fc7\u7a0b\u4e2d\uff0c\u8be5\u8fde\u63a5\u6240\u7528\u7684\u672c\u5730\u53e3\u53f7\u4e0d\u80fd\u88ab\u518d\u6b21\u7528\u6765\u6253\u5f00\u4e00\u4e2a\u65b0\u7684\u8fde\u63a5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"29d9c504cb4949a931b8b22cce245f40\">\u5efa\u8bae\uff1a\u4e3a\u6bcf\u4e2a\u5ba2\u6237\u673a\u548c\u670d\u52a1\u5668\u8fde\u63a5\uff0c\u6307\u660eSO-REUSEADDR\u9009\u9879\uff0c\u4ee5\u8fc2\u56de\u8fd9\u4e2a\u9650\u5236\u3002\u6b64\u9009\u9879\u5141\u8bb8\u4e3a\u81ea\u8eab\u5206\u914d\u4e00\u4e2a\u53e3\u53f7\uff0c\u5b83\u4f5c\u4e3a\u8fde\u63a5\u7684\u4e00\u90e8\u5206\u57282MSL\u671f\u95f4\u5185\u7b49\u5f85\u5ba2\u6237\u673a\u5e76\u4fa6\u542c\u5957\u63a5\u5b57\u63a5\u53e3\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"9b869667585bf84a709940d4d4a527a5\">SO-KEEPALIVE:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"6f685c52aaf5bbfa6e484e32fcab5c2b\">TCP\/IP\u534f\u8bae\u7f3a\u7701\u72b6\u6001\u4e0b\uff0c\u4e0d\u901a\u8fc7\u7a7a\u95f2\u7684TCP\u8fde\u63a5\u53d1\u9001\u6570\u636e\u3002\u56e0\u6b64\uff0c\u5982\u679c\u5728TCP\u8fde\u63a5\u7aef\u8fd9\u4e2a\u8fc7\u7a0b\u6ca1\u6709\u53d1\u9001\u6570\u636e\uff0c\u5728\u4e24\u4e2aTCP\u6a21\u5757\u95f4\u5c31\u6ca1\u6709\u4ea4\u6362\u4efb\u4f55\u6570\u636e\u3002\u8fd9\u5c31\u5047\u8bbe\u5ba2\u6237\u673a\u7aef\u5e94\u7528\u548c\u670d\u52a1\u5668\u7aef\u5e94\u7528\u5747\u91c7\u7528\u8ba1\u6570\u5668\u6765\u63a2\u6d4b\u8fde\u63a5\u7684\u5b58\u6d3b\u6027\uff0c\u4ee5\u4fbf\u5173\u95ed\u8fde\u63a5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"e1247e65fc0b41ff4a1c7595dc98dd38\">\u5efa\u8bae\uff1a\u5728\u5ba2\u6237\u673a\u4e0e\u670d\u52a1\u5668\u8fde\u63a5\u4e24\u7aef\u5747\u91c7\u7528KEEPALIVE\u9009\u9879\uff0c\u4ee5\u4fbf\u67e5\u8be2\u53e6\u4e00\u7aef\u5f97\u77e5\u5bf9\u65b9\u662f\u5426\u6545\u969c\u5e76\u6b7b\u673a\uff0c\u6216\u6545\u969c\u5e76\u91cd\u65b0\u542f\u52a8\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"01761745831d828c8bf83ae16a20c03a\">\u7136\u800c\uff0c\u6211\u4eec\u5fc5\u987b\u7262\u8bb0\uff0c\u91c7\u7528KEEPALIVE\u53ef\u80fd\u5f15\u8d77\u4e00\u4e2a\u975e\u5e38\u826f\u597d\u7684\u8fde\u63a5\uff0c\u5728\u77ac\u95f4\u6545\u969c\u65f6\u901a\u4fe1\u4e2d\u65ad\uff0c\u5982\u679c\u4fdd\u6301\u8fde\u63a5\u8ba1\u65f6\u5668\u8ba1\u65f6\u5468\u671f\u592a\u77ed\uff0c\u5c06\u5360\u7528\u4e0d\u5fc5\u8981\u7684\u7f51\u7edc\u5e26\u5bbd\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6574\u4e2aTCP\u5c42\u7684\u53c2\u6570<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"cce85f75baea886cd4b4cfe3e69247ad\">TCP\u8fde\u63a5\u5efa\u7acb\u8d85\u65f6:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"789f2fa2c2c640d60e3c78babad18cd6\">\u591a\u6570\u4f2f\u514b\u5229\u63a8\u51fa\u7684\u7cfb\u7edf\u5c06\u65b0\u8fde\u63a5\u5efa\u7acb\u7684\u65f6\u9650\u8bbe\u5b9a\u4e3a75\u79d2\uff0c\u8fd9\u4e2a\u7f3a\u7701\u503c\u5e94\u8be5\u9002\u5e94\u4e8e\u5b9e\u65f6\u7684\u5e94\u7528\u9650\u5236\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"1a51291bcadfea8bc1416040196b1a5b\">\u4fdd\u6301\u8fde\u63a5\u53c2\u6570:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"97723fa7a86a634b13047c3dede2f707\">\u8fde\u63a5\u7684\u7f3a\u7701\u7a7a\u95f2\u65f6\u95f4\u662f2\u5c0f\u65f6\u3002\u8d85\u8fc7\u6b64\u7a7a\u95f2\u65f6\u95f4\u5c06\u89e6\u53d1\u4e00\u4e2a\u4fdd\u6301\u8fde\u63a5\u8bd5\u63a2\u8fc7\u7a0b\u3002\u7b2c\u4e00\u4e2a\u4fdd\u6301\u8fde\u63a5\u8bd5\u63a2\u540e\uff0c\u5728\u6700\u5927\u6b21\u6570\u5185\u6bcf\u969475\u79d2\u53d1\u9001\u4e00\u4e2a\u8bd5\u63a2\uff0c\u76f4\u5230\u6536\u5230\u5bf9\u8bd5\u63a2\u7684\u5e94\u7b54\u4e3a\u6b62\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"da293de30bcf2870405a9959b13c9dc8\">\u5728\u4e00\u4e2a\u7a7a\u95f2\u8fde\u63a5\u4e0a\u53d1\u51fa\u4fdd\u6301\u8fde\u63a5\u8bd5\u63a2\u7684\u6700\u5927\u6570\u662f8\u6b21\u3002\u5982\u679c\u53d1\u51fa\u6700\u5927\u8bd5\u63a2\u6b21\u6570\u4e4b\u540e\u800c\u6ca1\u6709\u6536\u5230\u5e94\u7b54\uff0cTCP\u5411\u5e94\u7528\u53d1\u51fa\u4e00\u4e2a\u9519\u8bef\u4fe1\u53f7\uff0c\u7531\u5e94\u7528\u6765\u51b3\u5b9a\u5173\u95ed\u8fde\u63a5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"03b8219b4e4679f4fcb2865f477bd13f\">\u8d85\u65f6\u4e0e\u91cd\u53d1\u53c2\u6570:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"03a8cd7b5e829fd9ec38951f92089d3a\">\u5982\u679c\u68c0\u6d4b\u5230\u4e00\u4e2aTCP\u62a5\u6587\u4e22\u5931\uff0c\u5c06\u91cd\u53d1\u6b64\u62a5\u6587\u3002\u68c0\u6d4b\u4e22\u5931\u7684\u65b9\u6cd5\u4e4b\u4e00\u662f\u7ba1\u7406\u91cd\u53d1\u8d85\u65f6\uff08RTO\uff09\uff0c\u5982\u679c\u6ca1\u6709\u6536\u5230\u6765\u81ea\u8fdc\u7aef\u7684\u786e\u8ba4\uff0c\u8d85\u65f6\u7ec8\u6b62\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"902eb911061a492f52bc3a4d40fe0c4f\">TCP\u8fdb\u884cRTO\u7684\u52a8\u6001\u8bc4\u4f30\u3002\u4e3a\u6b64\uff0c\u5728\u53d1\u9001\u6bcf\u4e2a\u975e\u91cd\u53d1\u7684\u62a5\u6587\u540e\u6d4b\u91cf\u5f80\u8fd4\u65f6\u95f4(RTT)\u3002\u5f80\u8fd4\u65f6\u95f4\uff08RTT\uff09\u662f\u6307\u62a5\u6587\u5230\u8fbe\u8fdc\u7aef\u8bbe\u5907\u5e76\u4ece\u8fdc\u7aef\u8bbe\u5907\u83b7\u5f97\u4e00\u4e2a\u786e\u8ba4\u6240\u7528\u7684\u65f6\u95f4\u3002\u4e00\u4e2a\u8fde\u63a5\u7684\u5f80\u8fd4\u65f6\u95f4\u662f\u52a8\u6001\u8ba1\u7b97\u7684\uff0c\u7136\u800c\uff0c\u5982\u679cTCP\u4e0d\u80fd\u57283\u79d2\u949f\u5185\u83b7\u5f97RTT\u7684\u4f30\u8ba1\uff0c\u90a3\u4e48\uff0c\u5c31\u8bbe\u5b9aRTT\u7684\u7f3a\u7701\u503c\u4e3a3\u79d2\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"62c806b88ea29cce366302eecd173cba\">\u5982\u679c\u5df2\u7ecf\u4f30\u7b97\u51faRTO\uff0c\u5b83\u5c06\u88ab\u7528\u4e8e\u4e0b\u4e00\u4e2a\u62a5\u6587\u7684\u53d1\u9001\u3002\u5982\u679c\u5728\u4f30\u7b97\u7684RTO\u7ec8\u6b62\u4e4b\u524d\u6ca1\u6709\u6536\u5230\u4e0b\u4e00\u4e2a\u62a5\u6587\u7684\u786e\u8ba4\uff0c\u542f\u7528<strong>\u6307\u6570\u8865\u507f<\/strong>\u7b97\u6cd5\u3002\u5728\u4e00\u4e2a\u7279\u5b9a\u7684\u65f6\u95f4\u6bb5\u5185\uff0c\u5141\u8bb8\u76f8\u540c\u62a5\u6587\u6700\u5927\u6b21\u6570\u7684\u91cd\u53d1\u3002\u4e4b\u540e\uff0c\u5982\u679c\u6536\u4e0d\u5230\u786e\u8ba4\uff0c\u8fde\u63a5\u7ec8\u6b62\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"6d96138516b4ece85ab06a77d6718ef8\">\u53ef\u4ee5\u5bf9\u67d0\u4e9b\u6808\u8bbe\u7f6e\u8fde\u63a5\u7ec8\u6b62\u4e4b\u524d\u91cd\u53d1\u7684\u6700\u5927\u6b21\u6570\u548c\u91cd\u53d1\u7684\u6700\u957f\u65f6\u95f4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"10681aa7f039f3824792fd9ce17121b4\">\u5728TCP\u6807\u51c6\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e9b\u91cd\u53d1\u7b97\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Jacobson RTO\u4f30\u8ba1\u7b97\u6cd5<\/strong>\u7528\u6765\u4f30\u8ba1\u91cd\u53d1\u8d85\u65f6(RTO)\uff1b<\/li>\n\n\n\n<li><strong>Karn\u7b97\u6cd5<\/strong>\u6307\u51fa\uff0c\u5728\u91cd\u53d1\u6bb5\uff0c\u4e0d\u5e94\u8fdb\u884cRTO\u4f30\u8ba1\uff1b<\/li>\n\n\n\n<li><strong>\u6307\u6570\u8865\u507f\u7b97\u6cd5<\/strong>\u5b9a\u4e49\uff1a\u5bf9\u4e8e64\u79d2\u65f6\u95f4\u4e0a\u9650\u5185\u6bcf\u4e00\u6b21\u91cd\u53d1\uff0c\u52a0\u500d\u91cd\u53d1\u8d85\u65f6\uff1b<\/li>\n\n\n\n<li><strong>\u5feb\u901f\u91cd\u53d1\u7b97\u6cd5<\/strong>\u5141\u8bb8\u5728\u6536\u52303\u4e2a\u91cd\u590d\u786e\u8ba4\u4e4b\u540e\u8fdb\u884c\u91cd\u53d1\u3002\u8003\u8651\u8fd9\u4e2a\u7b97\u6cd5\u662f\u56e0\u4e3a\uff1a\u5728LAN\u4e0a\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u62a5\u6587\u4e22\u5931\u7684\u68c0\u6d4b\u5feb\u4e8e\u7b49\u5f85RTO\u7ec8\u6b62\u7684\u68c0\u6d4b\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"82e50fe9e21b711e754b06f0413a1835\">\u5728MODBUS\u5b9e\u73b0\u4e2d\uff0c\u63a8\u8350\u4f7f\u7528\u8fd9\u4e9b\u7b97\u6cd5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"QNrPU\">IP\u5c42\u7684\u53c2\u6570\u914d\u7f6e<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"imnGq\">IP\u53c2\u6570<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"8d4645369b2ba0aada8b7d08e2a6114c\">\u4e0b\u5217\u53c2\u6570\u5fc5\u987b\u5728MODBUS\u5b9e\u73b0\u7684IP\u5c42\u8fdb\u884c\u914d\u7f6e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u672c\u5730IP\u5730\u5740\uff1aIP\u5730\u5740\u53ef\u4ee5\u662fA\u3001B\u6216C\u7c7b\u7684\u4e00\u79cd\u3002<\/li>\n\n\n\n<li>\u5b50\u7f51\u63a9\u7801\uff1a\u53ef\u57fa\u4e8e\u5404\u79cd\u539f\u56e0\uff0c\u5c06IP\u7f51\u7edc\u5212\u5206\u6210\u5b50\u7f51\uff1a\u4f7f\u7528\u4e0d\u540c\u7684\u7269\u7406\u4ecb\u8d28\uff08\u4f8b\u5982\uff1a\u4ee5\u592a\u7f51\u3001\u5e7f\u57df\u7f51\u7b49\uff09\u3001\u66f4\u6709\u6548\u7684\u4f7f\u7528\u7f51\u7edc\u5730\u5740\u3001\u4ee5\u53ca\u63a7\u5236\u7f51\u7edc\u6d41\u91cf\u7684\u80fd\u529b\u3002\u5b50\u7f51\u63a9\u7801\u5fc5\u987b\u4e0e\u672c\u5730IP\u5730\u5740\u7684\u7c7b\u578b\u76f8\u4e00\u81f4\u3002<\/li>\n\n\n\n<li>\u7f3a\u7701\u7f51\u5173\uff1a\u7f3a\u7701\u7f51\u5173\u7684IP\u5730\u5740\u5fc5\u987b\u4e0e\u672c\u5730IP\u5730\u5740\u5728\u540c\u4e00\u5b50\u7f51\u5185\u3002\u7981\u6b62\u4f7f\u75280.0.0.0\u7684\u503c\u3002\u5982\u679c\u6ca1\u6709\u5b9a\u4e49\u7f51\u5173\uff0c\u90a3\u4e48\u6b64\u503c\u53ef\u8bbe\u4e3a127.0.0.1\u6216\u672c\u5730IP\u5730\u5740\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"729db1a8ba12722e3841202b7f63d257\"><em>\u6ce8\uff1aMODBUS\u62a5<\/em><em>\u6587\u4f20\u8f93\u670d\u52a1\u5728IP\u5c42\u4e0a\u4e0d\u8981\u6c42\u6bb5\u529f\u80fd\u3002<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"d9b547bb1cf0bb5729f64d08b933eed5\">\u5e94\u8be5\u5229\u7528\u672c\u5730IP\u5730\u5740\u3001\u5b50\u7f51\u63a9\u7801\u548c\u7701\u7f3a\u7f51\u5173\uff08\u4e0d\u540c\u4e8e0.0.0.0\uff09\u914d\u7f6e\u672c\u5730IP\u7aef\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"va7ad\">\u901a\u4fe1\u5e94\u7528\u5c42<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"DA6Pu\">MODBUS\u5ba2\u6237\u7aef<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img data-dominant-color=\"c2c9d3\" data-has-transparency=\"true\" decoding=\"async\" sizes=\"(max-width: 950px) 100vw, 950px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508211805192.png?x-oss-process=image\/resize,m_lfit,w_950,h_569\"  class=\"wp-image-28056 has-transparency\" style=\"--dominant-color: #c2c9d3; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe10\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe10\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"adca20d8cf92152385b48874b1d5eac5\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u56fe10\uff1aMODBUS\u5ba2\u6237\u7aef<\/mark><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"3KL7E\">MODBUS\u5ba2\u6237\u7aef\u8bbe\u8ba1<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"0700d33b9d385bddef6bc02f809502ef\">MODBUS\/TCP\u534f\u8bae\u4f7f\u5f97\u80fd\u591f\u5bf9\u4e00\u4e2a\u5ba2\u6237\u7aef\u8fdb\u884c\u7b80\u5355\u7684\u8bbe\u8ba1\u3002\u4e0b\u56fe\u63cf\u8ff0\u4e86\u5ba2\u6237\u7aef\u53d1\u9001MODBUS\u8bf7\u6c42\u5e76\u5904\u7406MODBUS\u5e94\u7b54\u7684\u4e3b\u8981\u5904\u7406\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-dominant-color=\"815c4f\" data-has-transparency=\"true\" decoding=\"async\" sizes=\"(max-width: 921px) 100vw, 921px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508211830629.png\"  class=\"wp-image-28057 has-transparency\" style=\"--dominant-color: #815c4f; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe11\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe11\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"f06ec2e5d2879bb5daeb26a63a97b020\">\u56fe11\uff1aMODBUS\u5ba2\u6237\u7aef\u64cd\u4f5c\u793a\u610f\u56fe<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"0f947482a7abee31a984bc60eba3fdbf\">\u4e00\u4e2aMODBUS\u5ba2\u6237\u673a\u53ef\u4ee5\u63a5\u6536\u4e09\u7c7b\u4e8b\u4ef6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u4e2a\u6765\u81ea\u7528\u6237\u5e94\u7528\u7684\u53d1\u9001\u8bf7\u6c42\u7684\u65b0\u9700\u6c42\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5fc5\u987b\u5bf9MODBUS\u8bf7\u6c42\u8fdb\u884c\u7f16\u7801\uff0c\u5e76\u4f7f\u7528TCP\u7ba1\u7406\u7ec4\u4ef6\u670d\u52a1\u901a\u8fc7\u7f51\u7edc\u8fdb\u884c\u53d1\u9001MODBUS\u8bf7\u6c42\u3002\u4e0b\u5c42\uff08TCP\u7ba1\u7406\u6a21\u5757\uff09\u4f1a\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\u4fe1\u606f\uff0c\u8fd9\u4e9b\u9519\u8bef\u4fe1\u606f\u662f\u7531\u4e8eTCP\u8fde\u63a5\u9519\u8bef\u6216\u5176\u4ed6\u9519\u8bef\u4fe1\u606f\u6240\u5bfc\u81f4\u7684\u3002<\/li>\n\n\n\n<li><\/li>\n\n\n\n<li>\u6765\u81eaTCP\u7ba1\u7406\u7684\u4e00\u4e2a\u54cd\u5e94\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5ba2\u6237\u7aef\u5fc5\u987b\u5206\u6790\u54cd\u5e94\u7684\u5185\u5bb9\uff0c\u5e76\u5411\u7528\u6237\u5e94\u7528\u53d1\u9001\u4e00\u4e2a\u8bc1\u5b9e\u3002<\/li>\n\n\n\n<li>\u7531\u4e8e\u65e0\u54cd\u5e94\u800c\u8d85\u65f6\u7ed3\u675f\u3002\u53ef\u4ee5\u901a\u8fc7\u7f51\u7edc\u53d1\u9001\u4e00\u4e2a\u91cd\u8bd5\u7535\u6587\uff0c\u6216\u5411\u7528\u6237\u5e94\u7528\u53d1\u9001\u4e00\u4e2a\u5426\u5b9a\u8bc1\u5b9e\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"5d6c2d47a7f4371cc0981052aafafa23\"><em>\u6ce8\uff1a\u8fd9\u4e9b\u91cd\u8bd5\u662f\u7531MODBUS\u5ba2\u6237\u673a\u542f\u52a8\u7684\uff0c\u53ef\u4ee5\u5728\u65e0TCP\u786e\u8ba4\u7684\u60c5\u51b5\u4e0b\u7531TCP\u5c42\u6765\u8fdb\u884c\u5176\u5b83\u7c7b\u578b\u7684\u91cd\u8bd5\u3002<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"NUhOJ\"><strong>MODBUS\u8bf7\u6c42\u7684\u751f\u6210<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"63ce6ce8148f3cb4f8d0c73c7f351538\">\u5728\u6536\u5230\u6765\u81ea\u7528\u6237\u5e94\u7528\u7684\u9700\u6c42\u540e\uff0c\u5ba2\u6237\u7aef\u5fc5\u987b\u751f\u6210\u4e00\u4e2aMODBUS\u8bf7\u6c42\uff0c\u5e76\u53d1\u9001\u5230TCP\u7ba1\u7406\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"d4c63ea95fd2679e70ae9c53af59ac58\">\u53ef\u4ee5\u5c06\u751f\u6210MODBUS\u8bf7\u6c42\u5206\u89e3\u6210\u4e3a\u51e0\u4e2a\u5b50\u4efb\u52a1\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MODBUS\u4e8b\u52a1\u5904\u7406\u7684\u5b9e\u4f8b\u5316\uff0c\u4f7f\u5ba2\u6237\u673a\u80fd\u591f\u5b58\u50a8\u6240\u6709\u9700\u8981\u7684\u4fe1\u606f\uff0c\u4ee5\u4fbf\u5c06\u54cd\u5e94\u4e0e\u76f8\u5e94\u7684\u8bf7\u6c42\u5339\u914d\uff0c\u5e76\u5411\u7528\u6237\u5e94\u7528\u53d1\u9001\u8bc1\u5b9e\u3002<\/li>\n\n\n\n<li>MODBUS\u8bf7\u6c42\uff08PDU+MPAB\u62a5\u6587\u5934\uff09\u7684\u7f16\u7801\u3002\u542f\u52a8\u9700\u6c42\u7684\u7528\u6237\u5e94\u7528\u5fc5\u987b\u63d0\u4f9b\u6240\u6709\u9700\u8981\u7684\u4fe1\u606f\uff0c\u4f7f\u5f97\u5ba2\u6237\u673a\u80fd\u591f\u5c06\u8bf7\u6c42\u7f16\u7801\u3002\u6839\u636eMODBUS\u534f\u8bae\u8fdb\u884cMODBUS PDU\u7684\u7f16\u7801\uff08MODBUS\u529f\u80fd\u7801\u3001\u76f8\u5173\u53c2\u6570\u548c\u5e94\u7528\u6570\u636e[2]\uff09\u3002\u586b\u5145MBAP\u62a5\u6587\u5934\u7684\u6240\u6709\u57df\u3002\u7136\u540e\uff0c\u5c06MBAP\u62a5\u6587\u5934\u4f5c\u4e3aPDU\u524d\u7f00\uff0c\u751f\u6210MODBUS\u8bf7\u6c42ADU\u3002<\/li>\n\n\n\n<li>\u53d1\u9001MODBUS\u8bf7\u6c42ADU\u5230TCP\u7ba1\u7406\u6a21\u5757\uff0cTCP\u7ba1\u7406\u6a21\u5757\u8d1f\u8d23\u5bf9\u8fdc\u7aef\u670d\u52a1\u5668\u5bfb\u627e\u6b63\u786eTCP\u7684\u5957\u63a5\u5b57\u3002\u9664\u4e86MODBUS ADU\u4ee5\u5916\uff0c\u8fd8\u5fc5\u987b\u4f20\u9012\u76ee\u7684IP\u5730\u5740\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"60bd80da8af4c189954926e4e89c5667\">\u4e0b\u56fe\u6bd4\u56fe17\u66f4\u6df1\u5165\u5730\u63cf\u8ff0\u4e86\u8bf7\u6c42\u751f\u6210\u7684\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-dominant-color=\"4e3247\" data-has-transparency=\"true\" decoding=\"async\" sizes=\"(max-width: 320px) 100vw, 320px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508211856611.png\"  class=\"wp-image-28058 has-transparency\" style=\"--dominant-color: #4e3247; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe12\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe12\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"05d3a90055bca68255c49bf630b82529\">\u56fe12\uff1a\u8bf7\u6c42\u751f\u6210\u64cd\u4f5c\u793a\u610f\u56fe<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"c861fc88e933b192c159aec31d6482da\">\u4e0b\u9762\u7ed9\u51fa\u4e86\u5b9e\u4f8b\uff1a\u4ece\u5730\u5740\u4e3a05\u7684\u8fdc\u7aef\u670d\u52a1\u5668\u8bfb1\u4e2a\u5b57\u7684MODBUS\u8bf7\u6c42ADU\u7f16\u7801<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MODBUS\u8bf7\u6c42ADU\u7f16\u7801\uff1a<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><\/td><td>\u8bf4\u660e<\/td><td>\u5927\u5c0f<\/td><td>\u5b9e\u4f8b<\/td><\/tr><tr><td rowspan=\"5\">MBAP\u62a5\u6587\u5934<\/td><td>\u4e8b\u52a1\u5904\u7406\u6807\u8bc6\u7b26Hi<\/td><td>1<\/td><td>0x15<\/td><\/tr><tr><td>\u4e8b\u52a1\u5904\u7406\u6807\u8bc6\u7b26Lo<\/td><td>1<\/td><td>0x01<\/td><\/tr><tr><td>\u534f\u8bae\u6807\u8bc6\u7b26<\/td><td>2<\/td><td>0x0000<\/td><\/tr><tr><td>\u957f\u5ea6<\/td><td>2<\/td><td>0x0006<\/td><\/tr><tr><td>\u5355\u5143\u6807\u8bc6\u7b26<\/td><td>1<\/td><td>0xFF<\/td><\/tr><tr><td rowspan=\"3\">MODBUS\u8bf7\u6c42<\/td><td>\u529f\u80fd\u7801\uff08*\uff09<\/td><td>1<\/td><td>0x03<\/td><\/tr><tr><td>\u8d77\u59cb\u5730\u5740<\/td><td>2<\/td><td>0x0005<\/td><\/tr><tr><td>\u5bc4\u5b58\u5668\u6570\u91cf<\/td><td>2<\/td><td>0x0001<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"53b815ad5918bbf642d2ac1bf80ecbb0\">\uff08*\uff09\u53c2\u89c1MODBUS\u534f\u8bae\u89c4\u8303[2]<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e8b\u52a1\u5904\u7406\u6807\u8bc6\u7b26<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"b1479b7f2e6a879d80b58f0e60e923fb\">\u4e8b\u52a1\u5904\u7406\u6807\u8bc6\u7b26\u7528\u4e8e\u5c06\u8bf7\u6c42\u4e0e\u672a\u6765\u54cd\u5e94\u4e4b\u95f4\u5efa\u7acb\u8054\u7cfb\u3002\u56e0\u6b64\uff0c\u5bf9TCP\u8fde\u63a5\u6765\u8bf4\uff0c\u5728\u540c\u4e00\u65f6\u523b\uff0c\u8fd9\u4e2a\u6807\u8bc6\u7b26\u5fc5\u987b\u662f\u552f\u4e00\u7684\u3002\u6709\u51e0\u79cd\u4f7f\u7528\u6b64\u6807\u8bc6\u7b26\u7684\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f8b\u5982\uff1a\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u4e2a\u5e26\u6709\u8ba1\u6570\u5668\u7684\u7b80\u5355\u201cTCP\u987a\u5e8f\u53f7\u201d\uff0c\u5728\u6bcf\u4e00\u4e2a\u8bf7\u6c42\u65f6\u589e\u52a0\u8ba1\u6570\u5668\uff1b<\/li>\n\n\n\n<li>\u4e5f\u53ef\u4ee5\u7528\u4f5c\u667a\u80fd\u7d22\u5f15\u6216\u6307\u9488\uff0c\u6765\u8bc6\u522b\u4e8b\u52a1\u5904\u7406\u7684\u5185\u5bb9\uff0c\u4ee5\u4fbf\u8bb0\u5fc6\u5f53\u524d\u7684\u8fdc\u7aef\u670d\u52a1\u5668\u548c\u672a\u5904\u7406\u7684\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"fa656ad8abf1bd3bfccf645a5bab53ec\">\u901a\u5e38\uff0c\u5728MODBUS\u4e32\u884c\u94fe\u8def\u4e0a\uff0c\u5ba2\u6237\u673a\u5fc5\u987b\u4e00\u6b21\u53d1\u9001\u4e00\u4e2a\u8bf7\u6c42\u3002\u8fd9\u610f\u5473\u7740\u8fd9\u4e2a\u5ba2\u6237\u673a\u5728\u53d1\u9001\u7b2c\u4e8c\u4e2a\u8bf7\u6c42\u4e4b\u524d\u5fc5\u987b\u7b49\u5f85\u5bf9\u7b2c\u4e00\u4e2a\u8bf7\u6c42\u7684\u56de\u7b54\u3002\u5728MODBUS TCP\u4e0a\uff0c\u53ef\u4ee5\u5411\u540c\u4e00\u4e2a\u670d\u52a1\u5668\u53d1\u9001\u591a\u4e2a\u8bf7\u6c42\u800c\u4e0d\u9700\u7b49\u5f85\u670d\u52a1\u5668\u7684\u8bc1\u5b9e\u3002MODBUS\/TCP\u5230MODBUS\u4e32\u884c\u94fe\u8def\u4e4b\u95f4\u7684\u7f51\u5173\u8d1f\u8d23\u4fdd\u8bc1\u8fd9\u4e24\u79cd\u64cd\u4f5c\u4e4b\u95f4\u7684\u517c\u5bb9\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"d962e90d4241b181330dc060c082fdb0\">\u670d\u52a1\u5668\u6536\u63a5\u53d7\u7684\u8bf7\u6c42\u6570\u91cf\u53d6\u51b3\u4e8e\u5176\u5bb9\u91cf\uff0c\u5373\uff1a\u670d\u52a1\u5668\u8d44\u6e90\u91cf\u548cTCP\u7a97\u53e3\u5c3a\u5bf8\u3002\u540c\u6837\uff0c\u5ba2\u6237\u673a\u540c\u65f6\u542f\u52a8\u4e8b\u52a1\u5904\u7406\u7684\u6570\u91cf\u4e5f\u53d6\u51b3\u4e8e\u5ba2\u6237\u673a\u7684\u8d44\u6e90\u5bb9\u91cf\u3002\u8fd9\u4e2a\u5b9e\u73b0\u53c2\u6570\u79f0\u4e3a\u201cNnmberMaxofClientTransaction\u201d\uff0c\u5fc5\u987b\u4f5c\u4e3aMODBUS\u5ba2\u6237\u673a\u7684\u4e00\u4e2a\u7279\u6027\u8fdb\u884c\u63cf\u8ff0\u3002\u6839\u636e\u8bbe\u5907\u7684\u7c7b\u578b\uff0c\u6b64\u53c2\u6570\u53d6\u503c\u4e3a1\uff5e16\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5355\u5143\u6807\u8bc6\u7b26<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"35221750ebf77df201b4389519edbd5a\">\u5728MODBUS\u6216MODBUS+\u4e32\u884c\u94fe\u8def\u5b50\u7f51\u4e2d\u5bf9\u8bbe\u5907\u8fdb\u884c\u5bfb\u5740\u65f6\uff0c\u8fd9\u4e2a\u57df\u662f\u7528\u4e8e\u8def\u7531\u7684\u76ee\u7684\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u201cUnit Identifier\u201d\u643a\u5e26\u4e00\u4e2a\u8fdc\u7aef\u8bbe\u5907\u7684MODBUS\u4ece\u7ad9\u5730\u5740\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"46ca76b4d143172d5ff84ddb049fbd21\">&#8211; \u5982\u679cMODBUS\u670d\u52a1\u5668\u8fde\u63a5\u5230MODBUS+\u6216MODBUS\u4e32\u884c\u94fe\u8def\u5b50\u7f51\uff0c\u5e76\u901a\u8fc7\u4e00\u4e2a\u6865\u6216\u7f51\u5173\u914d\u7f6e\u5730\u5740\u8fd9\u4e2a\u670d\u52a1\u5668\uff0cMODBUS\u5355\u5143\u6807\u8bc6\u7b26\u5bf9\u8bc6\u522b\u8fde\u63a5\u5230\u7f51\u6865\u6216\u7f51\u5173\u540e\u7684\u5b50\u7f51\u7684\u4ece\u7ad9\u8bbe\u5907\u662f\u5fc5\u9700\u7684\u3002\u76ee\u7684IP\u5730\u5740\u8bc6\u522b\u4e86\u7f51\u6865\u672c\u8eab\u7684\u5730\u5740\uff0c\u800c\u7f51\u6865\u5219\u4f7f\u7528MODBUS\u5355\u5143\u6807\u8bc6\u7b26\u5c06\u8bf7\u6c42\u8f6c\u4ea4\u7ed9\u6b63\u786e\u7684\u4ece\u7ad9\u8bbe\u5907\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ab08445efbfb556f7346e776f7963371\">&#8211; \u5206\u914d\u4e32\u884c\u94fe\u8def\u4e0aMODBUS\u4ece\u7ad9\u8bbe\u5907\u5730\u5740\u4e3a1\uff5e247\uff0810\u8fdb\u5236\uff09\uff0c\u5730\u57400\u4f5c\u4e3a\u5e7f\u64ad\u5730\u5740\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"4bbed62b7a58689ee41f5492f921a19e\">\u5bf9TCP\/IP\u6765\u8bf4\uff0c\u5229\u7528IP\u5730\u5740\u5bfb\u5740MODBUS\u670d\u52a1\u5668\uff1b\u56e0\u6b64\uff0cMODBUS\u5355\u5143\u6807\u8bc6\u7b26\u662f\u65e0\u7528\u7684\u3002\u5fc5\u9700\u4f7f\u7528\u503c0xFF\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"3e7a6cfc5591389be7abddc1f124d8b7\">&#8211; \u5f53\u5bf9\u76f4\u63a5\u8fde\u63a5\u5230TCP\/IP\u7f51\u7edc\u4e0a\u7684MODBUS\u670d\u52a1\u5668\u5bfb\u5740\u65f6\uff0c\u5efa\u8bae\u4e0d\u8981\u5728\u201c\u5355\u5143\u6807\u8bc6\u7b26\u201d\u57df\u4f7f\u7528\u6709\u6548\u7684MODBUS\u4ece\u7ad9\u5730\u5740\u3002\u5728\u4e00\u4e2a\u81ea\u52a8\u7cfb\u7edf\u4e2d\u91cd\u65b0\u5206\u914dIP\u5730\u5740\u7684\u60c5\u51b5\u4e0b\uff0c\u5e76\u4e14\u5982\u679c\u4ee5\u524d\u5206\u914d\u7ed9MODBUS\u670d\u52a1\u5668\u7684IP\u5730\u5740\u53c8\u88ab\u6307\u914d\u7ed9\u7f51\u5173\uff0c\u4f7f\u7528\u4e00\u4e2a\u6709\u6548\u7684\u4ece\u7ad9\u5730\u5740\u53ef\u80fd\u4f1a\u7531\u4e8e\u7f51\u5173\u7684\u8def\u7531\u4e0d\u7545\u800c\u5f15\u8d77\u9ebb\u70e6\u3002\u4f7f\u7528\u65e0\u6548\u7684\u4ece\u7ad9\u5730\u5740\uff0c\u7f51\u5173\u4ec5\u662f\u7b80\u5355\u5730\u5e9f\u5f03MODBUD PDU\uff0c\u800c\u4e0d\u4f1a\u6709\u4efb\u4f55\u95ee\u9898\u3002\u5efa\u8bae\uff1a\u5728\u91c7\u75280xFF\u4f5c\u4e3a\u201c\u5355\u5143\u6807\u8bc6\u7b26\u201d\u7684\u65e0\u6548\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"5b3b224e9a0700d6268799492807f2d0\"><em>\u6ce8\uff1a0\u4e5f\u53ef\u4ee5\u7528\u4f5c\u4e0eMODBUS\/TCP\u8bbe\u5907\u76f4\u63a5\u901a\u4fe1\u3002<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"WVz0l\"><strong>\u5904\u7406MODBUS\u8bc1\u5b9e<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"1be8670ab9991760d43b75cb6c7636bf\">\u5728TCP\u8fde\u63a5\u4e2d\uff0c\u5f53\u6536\u5230\u4e00\u4e2a\u54cd\u5e94\u5e27\u65f6\uff0c\u4f4d\u4e8eMBAP\u62a5\u6587\u5934\u4e2d\u7684\u4e8b\u52a1\u5904\u7406\u6807\u8bc6\u7b26\u7528\u6765\u5c06\u54cd\u5e94\u4e0e\u5148\u524d\u53d1\u5f80TCP\u8fde\u63a5\u7684\u539f\u59cb\u8bf7\u6c42\u8054\u7cfb\u8d77\u6765\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u4e8b\u52a1\u5904\u7406\u6807\u8bc6\u7b26\u6ca1\u6709\u63d0\u53ca\u4efb\u4f55\u672a\u89e3\u51b3\u7684\u4e8b\u52a1\u5904\u7406\uff0c\u90a3\u4e48\u5fc5\u987b\u5e9f\u5f03\u54cd\u5e94\uff1b<\/li>\n\n\n\n<li>\u5982\u679c\u4e8b\u52a1\u5904\u7406\u6807\u8bc6\u7b26\u63d0\u53ca\u4e86\u672a\u89e3\u51b3\u7684\u4e8b\u52a1\u5904\u7406\uff0c\u90a3\u4e48\u5fc5\u987b\u5206\u89e3\u54cd\u5e94\uff0c\u4ee5\u4fbf\u5411\u7528\u6237\u5e94\u7528\u53d1\u9001MODBUS\u8bc1\u5b9e\uff08\u80af\u5b9a\u7684\u6216\u5426\u5b9a\u7684\u8bc1\u5b9e\uff09\uff1b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"17cb6aa6802dab4bfb518bb9fa017f2e\">\u5206\u89e3\u54cd\u5e94\u5c31\u662f\u68c0\u9a8cMBAP\u62a5\u6587\u5934\u548cMODBUS PDU\u7684\u54cd\u5e94\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MBAP\u62a5\u6587\u5934<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"376a9cbbdf7a5a1139814c8c63accf97\">\u5728\u68c0\u9a8c\u534f\u8bae\u6807\u8bc6\u7b26\u5fc5\u4e3a0x0000\u4ee5\u540e\uff0c\u957f\u5ea6\u7ed9\u51fa\u4e86MODBUS\u54cd\u5e94\u7684\u5927\u5c0f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"488fdbf2d55196d9e75bef7debf20278\">\u5982\u679c\u54cd\u5e94\u6765\u81ea\u76f4\u63a5\u8fde\u63a5\u5230TCP\/IP\u7f51\u7edc\u7684MODBUS\u670d\u52a1\u5668\u8bbe\u5907\uff0cTCP\u8fde\u63a5\u8bc6\u522b\u7801\u8db3\u4ee5\u6e05\u6670\u5730\u8bc6\u522b\u51fa\u8fdc\u7aef\u670d\u52a1\u5668\u3002\u56e0\u6b64\uff0cMBAP\u5934\u4e2d\u643a\u5e26\u7684\u5355\u5143\u6807\u8bc6\u7b26\u662f\u65e0\u6548\u7684\uff0c\u5fc5\u987b\u5e9f\u5f03\u8fd9\u4e2a\u5355\u5143\u6807\u8bc6\u7b26\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"2ce738343cfab98d6d6054cb1c7053b9\">\u5982\u679c\u5c06\u8fdc\u7aef\u670d\u52a1\u5668\u8fde\u63a5\u5728\u4e00\u4e2a\u4e32\u884c\u94fe\u8def\u5b50\u7f51\u4e0a\uff0c\u5e76\u4e14\u54cd\u5e94\u6765\u81ea\u4e00\u4e2a\u7f51\u6865\u3001\u8def\u7531\u6216\u7f51\u5173\uff0c\u90a3\u4e48\u5355\u5143\u6807\u8bc6\u7b26\uff08\u503c\u22600xFF\uff09\u8bc6\u522b\u53d1\u9001\u521d\u59cb\u54cd\u5e94\u7684\u8fdc\u7aefMODBUS\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MODBUS\u54cd\u5e94PDU<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"d94d5c70e50a330b605ab4a3ee0ffc7b\">\u5fc5\u987b\u68c0\u9a8c\u529f\u80fd\u7801\uff0c\u6839\u636eMODBUS\u534f\u8bae\uff0c\u5206\u6790MODBUS\u7684\u54cd\u5e94\u683c\u5f0f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u529f\u80fd\u7801\u4e0e\u8bf7\u6c42\u4e2d\u6240\u7528\u7684\u529f\u80fd\u7801\u76f8\u540c\uff0c\u5e76\u4e14\u5982\u679c\u54cd\u5e94\u7684\u683c\u5f0f\u662f\u6b63\u786e\u7684\uff0c\u90a3\u4e48\uff0c\u5411\u7528\u6237\u5e94\u7528\u53d1\u51faMODBUS\u54cd\u5e94\u4f5c\u4e3a\u80af\u5b9a\u7684\u8bc1\u5b9e\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u529f\u80fd\u7801\u662f\u4e00\u4e2aMODBUS\u5f02\u5e38\u7801\uff08\u529f\u80fd\u7801+80H\uff09\uff0c\u5411\u7528\u6237\u5e94\u7528\u53d1\u51fa\u4e00\u4e2a\u5f02\u5e38\u54cd\u5e94\u4f5c\u4e3a\u80af\u5b9a\u7684\u8bc1\u5b9e\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u529f\u80fd\u7801\u4e0e\u8bf7\u6c42\u4e2d\u6240\u7528\u7684\u529f\u80fd\u7801\u4e0d\u540c\uff08= 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class=\"wp-block-paragraph\" id=\"5350bc929c40216d7ff513ff3203aa64\">\u56fe13\uff1aMODBUS\u8bc1\u5b9e\u5904\u7406\u64cd\u4f5c\u793a\u610f\u56fe<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-dominant-color=\"7f6047\" data-has-transparency=\"true\" decoding=\"async\" sizes=\"(max-width: 816px) 100vw, 816px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508212114935.png\"  class=\"wp-image-28059 has-transparency\" style=\"--dominant-color: #7f6047; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe13\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe13\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"pzmHG\"><strong>\u8d85\u65f6\u7ba1\u7406<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"69b37b4858bc397b5fdd2b6e7ed82aa7\">\u5bf9MODBUS\/TCP\u4e0a\u4e8b\u52a1\u5904\u7406\u6240\u9700\u54cd\u5e94\u65f6\u95f4\u6709\u610f\u4e0d\u4f5c\u89c4\u5b9a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"3d76dfaec8b05baa9defc936f8ea3739\">\u8fd9\u662f\u56e0\u4e3a\uff1a\u4ece\u6beb\u79d2\u7ea7\u7684I\/O\u626b\u63cf\u5230\u5ef6\u65f6\u51e0\u79d2\u949f\u7684\u8fdc\u8ddd\u79bb\u65e0\u7ebf\u94fe\u8def\uff0c\u9884\u671fMODBUS\/TCP\u4f1a\u7528\u4e8e\u53ef\u80fd\u6700\u5bbd\u6cdb\u7684\u901a\u4fe1\u573a\u5408\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"c7757b5201aab2b9ef76c5303cbc8217\">\u4ece\u5ba2\u6237\u673a\u7684\u89d2\u5ea6\uff0c\u8d85\u65f6\u5fc5\u987b\u8003\u8651\u7f51\u7edc\u4e0a\u9884\u671f\u7684\u4f20\u8f93\u5ef6\u8fdf\uff0c\u4ee5\u4fbf\u786e\u5b9a\u4e00\u4e2a\u5408\u7406\u7684\u54cd\u5e94\u65f6\u95f4\u3002\u8fd9\u79cd\u4f20\u8f93\u5ef6\u8fdf\u53ef\u80fd\u662f\u4ea4\u6362\u5f0f\u4ee5\u592a\u7f51\u4e2d\u7684\u51e0\u4e2a\u6beb\u79d2\uff0c\u6216\u5e7f\u57df\u7f51\u8fde\u63a5\u4e2d\u7684\u51e0\u767e\u6beb\u79d2\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"e328517117e7ebb645eb749aedd6d428\">\u53cd\u8fc7\u6765\u8bb2\uff0c\u4efb\u4f55\u5ba2\u6237\u673a\u542f\u52a8\u5e94\u7528\u91cd\u8bd5\u4f7f\u7528\u7684\u8d85\u65f6\u65f6\u95f4\u5e94\u8be5\u5927\u4e8e\u9884\u671f\u7684\u6700\u5927\u7684\u5408\u7406\u54cd\u5e94\u65f6\u95f4\u3002\u5982\u679c\u4e0d\u9075\u5faa\u8fd9\u4e00\u70b9\uff0c\u76ee\u6807\u8bbe\u5907\u6216\u7f51\u7edc\u5c31\u5b58\u5728\u8fc7\u5ea6\u62e5\u6324\u7684\u6f5c\u5728\u5371\u9669\uff0c\u800c\u53cd\u8fc7\u6765\u4f1a\u5bfc\u81f4\u66f4\u591a\u7684\u9519\u8bef\u3002\u8fd9\u662f\u4e00\u4e2a\u5e94\u8be5\u59cb\u7ec8\u907f\u514d\u7684\u7279\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"59bc6fc0812f1f030825c4de6c5f19f1\">\u56e0\u6b64\uff0c\u5728\u5b9e\u9645\u4e2d\uff0c\u5728\u9ad8\u6027\u80fd\u5e94\u7528\u4e2d\u6240\u4f7f\u7528\u7684\u5ba2\u6237\u673a\u8d85\u65f6\u4f3c\u4e4e\u603b\u662f\u4e0e\u7f51\u7edc\u62d3\u6251\u548c\u671f\u671b\u7684\u5ba2\u6237\u673a\u6027\u80fd\u6709\u5173\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"0c40e6c1a5c19d618ac77253a82e837f\">\u65f6\u95f4\u56e0\u7d20\u4e0d\u5f88\u91cd\u8981\u7684\u7cfb\u7edf\u7ecf\u5e38\u91c7\u7528TCP\u7f3a\u7701\u503c\u4f5c\u4e3a\u8d85\u65f6\u503c\uff0c\u5728\u591a\u6570\u5e73\u53f0\u4e0a\uff0c\u51e0\u79d2\u949f\u4e4b\u540e\u5c06\u62a5\u544a\u901a\u4fe1\u6545\u969c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"BNsOL\">MODBUS\u670d\u52a1\u5668\u7aef<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img data-dominant-color=\"c5c7d9\" data-has-transparency=\"true\" decoding=\"async\" sizes=\"(max-width: 950px) 100vw, 950px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508212136910.png?x-oss-process=image\/resize,m_lfit,w_950,h_508\"  class=\"wp-image-28060 has-transparency\" style=\"--dominant-color: #c5c7d9; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe14\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe14\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"43236ff579b9d6259c6a03303df535fc\">\u56fe14\uff1aMODBUS\u670d\u52a1\u5668\u7aef<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"85f217d60b667f5b5b963edc240a61ef\">MODBUS\u670d\u52a1\u5668\u7684\u4f5c\u7528\u662f\u4e3a\u5e94\u7528\u5bf9\u8c61\u63d0\u4f9b\u8bbf\u95ee\u4ee5\u53ca\u4e3a\u8fdc\u7aef\u5ba2\u6237\u673a\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"0b2f4d8e93b65431bdbe0ae3899886e6\">\u6839\u636e\u7528\u6237\u5e94\u7528\uff0c\u63d0\u4f9b\u4e0d\u540c\u7c7b\u578b\u7684\u8bbf\u95ee\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b80\u5355\u8bbf\u95ee\uff1a\u83b7\u5f97\u6216\u8bbe\u5b9a\u5e94\u7528\u5bf9\u8c61\u7684\u5c5e\u6027\uff1b<\/li>\n\n\n\n<li>\u9ad8\u7ea7\u8bbf\u95ee\uff1a\u542f\u52a8\u4e00\u4e2a\u7279\u5b9a\u7684\u5e94\u7528\u670d\u52a1<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"8dd3854bfa2bafc27a8e99b4feb7e0ec\">MODBUS\u670d\u52a1\u5668\u5fc5\u987b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c06\u4e00\u4e2a\u5e94\u7528\u5bf9\u8c61\u6620\u5c04\u6210\u53ef\u8bfb\u6216\u53ef\u5199\u7684MODBUS\u5bf9\u8c61\uff0c\u4ee5\u4fbf\u83b7\u5f97\u6216\u8bbe\u5b9a\u5e94\u7528\u5bf9\u8c61\u7684\u5c5e\u6027\uff1b<\/li>\n\n\n\n<li>\u63d0\u4f9b\u4e00\u79cd\u5bf9\u5e94\u7528\u5bf9\u8c61\u542f\u52a8\u670d\u52a1\u7684\u65b9\u6cd5\uff1b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"57a00c9de3e387b74cf53445938188c5\">\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0cMODBUS\u670d\u52a1\u5668\u5fc5\u987b\u5206\u6790\u63a5\u6536\u5230\u7684MODBUS\u8bf7\u6c42\uff0c\u5904\u7406\u6240\u9700\u7684\u64cd\u4f5c\uff0c\u8fd4\u56deMODBUS\u54cd\u5e94\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"1CuML\"><strong>MODBUS\u670d\u52a1\u5668\u8bbe\u8ba1<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"372d588dfdb588e53be70ba54893e55a\">MODBUS\u670d\u52a1\u5668\u8bbe\u8ba1\u53d6\u51b3\u4e8e\u5982\u4e0b\u4e24\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5bf9\u5e94\u7528\u5bf9\u8c61\u8bbf\u95ee\u7684\u7c7b\u578b\uff08\u5bf9\u5c5e\u6027\u7684\u7b80\u5355\u8bbf\u95ee\u6216\u5bf9\u670d\u52a1\u7684\u9ad8\u7ea7\u8bbf\u95ee\uff09\uff1b<\/li>\n\n\n\n<li>MODBUS\u670d\u52a1\u5668\u4e0e\u7528\u6237\u5e94\u7528\u4e4b\u95f4\u4ea4\u4e92\u4f5c\u7528\u7684\u7c7b\u578b\uff08\u540c\u6b65\u6216\u5f02\u6b65\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"1f2b9fecae2aff257795a0022c99f001\">\u4e0b\u56fe\u63cf\u8ff0\u4e86\u670d\u52a1\u5668\u8fdb\u884c\u7684\u4e3b\u8981\u5904\u7406\u8fc7\u7a0b\uff0c\u4ee5\u4fbf\u83b7\u5f97\u6765\u81eaTCP\u7ba1\u7406\u7684MODBUS\u8bf7\u6c42\uff0c\u7136\u540e\uff0c\u5206\u6790\u8bf7\u6c42\uff0c\u5904\u7406\u6240\u9700\u7684\u64cd\u4f5c\uff0c\u8fd4\u56deMODBUS\u54cd\u5e94\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-dominant-color=\"6d473c\" data-has-transparency=\"true\" decoding=\"async\" sizes=\"(max-width: 743px) 100vw, 743px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508212200801.png\"  class=\"wp-image-28061 has-transparency\" style=\"--dominant-color: #6d473c; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe15\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe15\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"afa044f28dd3a0a3cab58eaa0bea03c8\">\u56fe15\uff1a\u5904\u7406MODBUS\u6307\u4ee4\u64cd\u4f5c\u793a\u610f\u56fe<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"f78c0003a6cdf2b69920195ad3f14795\">\u8c61\u524d\u9762\u7684\u64cd\u4f5c\u793a\u610f\u56fe\u793a\u51fa\u7684\u90a3\u6837\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MODBUS\u670d\u52a1\u5668\u672c\u8eab\u53ef\u4ee5\u7acb\u5373\u5904\u7406\u4e00\u4e9b\u670d\u52a1\uff0c\u6ca1\u6709\u4e0e\u7528\u6237\u5e94\u7528\u4e4b\u95f4\u7684\u4ea4\u4e92\u4f5c\u7528\uff1b<\/li>\n\n\n\n<li>\u4e00\u4e9b\u670d\u52a1\u8fd8\u53ef\u80fd\u9700\u8981\u4e0e\u88ab\u5904\u7406\u7684\u7528\u6237\u5e94\u7528\u8fdb\u884c\u660e\u663e\u7684\u4ea4\u4e92\u4f5c\u7528\uff1b<\/li>\n\n\n\n<li>\u6709\u4e9b\u9ad8\u7ea7\u670d\u52a1\u9700\u8981\u8c03\u7528\u7279\u5b9a\u7684\u63a5\u53e3\uff0c\u5373\uff1aMODBUS\u540e\u53f0\u670d\u52a1\u3002\u4f8b\u5982\uff1a\u53ef\u80fd\u6839\u636e\u7528\u6237\u5e94\u7528\u5c42\u534f\u8bae\uff0c\u4f7f\u7528\u82e5\u5e72\u4e2aMODBUS\u8bf7\u6c42\/\u54cd\u5e94\u4e8b\u52a1\u5904\u7406\u7684\u65f6\u5e8f\u6765\u542f\u52a8\u7528\u6237\u5e94\u7528\u670d\u52a1\u3002\u540e\u53f0\u670d\u52a1\u8d1f\u8d23\u6240\u6709\u5355\u4e2aMODBUS\u4e8b\u52a1\u5904\u7406\u7684\u6b63\u786e\u8fdb\u884c\uff0c\u4ee5\u4fbf\u4e8e\u6267\u884c\u5168\u5c40\u7528\u6237\u5e94\u7528\u670d\u52a1\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"69dc89a5e437204db79c8ef09415ec9e\">\u5728\u4e0b\u5217\u5404\u7ae0\u4e2d\u7ed9\u51fa\u66f4\u5b8c\u6574\u7684\u63cf\u8ff0\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"3d42217f6ff185799ca6bf4778ffe331\">MODBUS\u670d\u52a1\u5668\u53ef\u4ee5\u63a5\u6536\u5e76\u540c\u65f6\u4e3a\u591a\u4e2aMODBUS\u8bf7\u6c42\u63d0\u4f9b\u670d\u52a1\u3002\u670d\u52a1\u5668\u53ef\u4ee5\u540c\u65f6\u63a5\u6536MODBUS\u8bf7\u6c42\u7684\u6700\u5927\u6570\u91cf\u662fMODBUS\u670d\u52a1\u5668\u7684\u4e3b\u8981\u7279\u6027\u4e4b\u4e00\u3002\u8fd9\u4e2a\u6570\u91cf\u53d6\u51b3\u4e8e\u670d\u52a1\u5668\u7684\u8bbe\u8ba1\u4ee5\u53ca\u5b83\u7684\u5904\u7406\u548c\u5b58\u50a8\u80fd\u529b\u3002\u5c06\u8fd9\u4e2a\u5b9e\u73b0\u53c2\u6570\u79f0\u4e3a\u201cNumberMaxOfServerTransaction\u201d\uff0c\u5fc5\u987b\u4f5c\u4e3aMODBUS\u670d\u52a1\u5668\u7684\u4e00\u4e2a\u7279\u6027\u63cf\u8ff0\u8fd9\u4e2a\u5b9e\u73b0\u53c2\u6570\u3002\u6839\u636e\u8bbe\u5907\u7684\u80fd\u529b\uff0c\u5b83\u7684\u53d6\u503c\u8303\u56f4\u4e3a\uff1a1\uff5e16\uff0c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"fdb8104c625cefe352e2fa76c4860df1\">\u201cNumberMaxOfServerTransaction\u201d\u53c2\u6570\u5bf9MODBUS\u670d\u52a1\u5668\u7684\u64cd\u4f5c\u548c\u6027\u80fd\u6709\u975e\u5e38\u663e\u8457\u7684\u5f71\u54cd\u3002\u5c24\u5176\u91cd\u8981\u7684\u662f\uff0c\u6240\u7ba1\u7406\u7684\u5e76\u53d1MODBUS\u4e8b\u52a1\u5904\u7406\u7684\u6570\u91cf\u53ef\u80fd\u5f71\u54cd\u670d\u52a1\u5668\u5bf9MODBUS\u8bf7\u6c42\u7684\u54cd\u5e94\u65f6\u95f4\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"T42Oy\">MODBUS PDU\u68c0\u9a8c<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"91af099b700933da7acdf07f62e278fb\">\u4e0b\u56fe\u63cf\u8ff0\u4e86MODBUS PDU\u68c0\u9a8c\u64cd\u4f5c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-dominant-color=\"7d6380\" data-has-transparency=\"true\" decoding=\"async\" sizes=\"(max-width: 549px) 100vw, 549px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508212222546.png\"  class=\"wp-image-28062 has-transparency\" style=\"--dominant-color: #7d6380; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe16\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe16\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"7cd2f07b9b99d0d6435d1acef4069f58\">\u56fe16\uff1aMODBUS PDU\u68c0\u9a8c\u64cd\u4f5c\u6d41\u7a0b\u56fe<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"c3e09baa2b94969a4b7cb99ff2e31073\">MODBUS PDU\u68c0\u9a8c\u529f\u80fd\u9996\u5148\u662f\u5206\u89e3MBAP\u62a5\u6587\u5934\u3002\u5fc5\u987b\u68c0\u9a8c\u534f\u8bae\u6807\u8bc6\u7b26\u57df\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u4e0eMODBUS\u534f\u8bae\u7c7b\u578b\u4e0d\u540c\uff0c\u90a3\u4e48\u5e9f\u9664\u8fd9\u4e2a\u6307\u793a\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u662f\u6b63\u786e\u7684\uff08= MODBUS\u534f\u8bae\u7c7b\u578b\uff1b\u503c\u4e3a0x00\uff09\uff0c\u7acb\u5373\u4e3e\u4f8b\u8bf4\u660e\u4e00\u4e2aMODBUS\u4e8b\u52a1\u5904\u7406\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"0c52dd008f6113cef391134273e53973\">\u4e00\u4e2a\u670d\u52a1\u5668\u53ef\u4ee5\u8ddd\u79bb\u8bf4\u660e\u7684MODBUS\u4e8b\u52a1\u5904\u7406\u7684\u6700\u5927\u6570\u91cf\u7531\u53c2\u6570\u201cNumberMaxOfTransaction\u201d\uff08\u7cfb\u7edf\u6216\u914d\u7f6e\u53c2\u6570\uff09\u6765\u5b9a\u4e49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"5516cb2cc7be691bcf95539a3c1c6978\">\u5728\u65e0\u6548\u7684\u4e8b\u52a1\u5904\u7406\u7684\u60c5\u51b5\u4e0b\uff0c\u670d\u52a1\u5668\u751f\u6210\u4e00\u4e2aMODBUS\u5f02\u5e38\u54cd\u5e94\uff08\u5f02\u5e38\u78016\uff1a\u670d\u52a1\u5668\u7e41\u5fd9\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"268324740f35e766cb229e66307c4cf7\">\u5982\u679c\u4e8b\u52a1\u5904\u7406\u662f\u6709\u6548\u7684\uff0c\u5b83\u5c06\u88ab\u542f\u52a8\uff0c\u4ee5\u4fbf\u5b58\u50a8\u4e0b\u5217\u4fe1\u606f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7528\u4e8e\u53d1\u9001\u6307\u793a\u7684TCP\u8fde\u63a5\u6807\u8bc6\u7b26\uff08\u7531TCP\u7ba1\u7406\u7ed9\u51fa\uff09<\/li>\n\n\n\n<li>MODBUS\u4e8b\u52a1\u5904\u7406ID\uff08MBAP\u62a5\u6587\u5934\u4e2d\u7ed9\u51fa\uff09<\/li>\n\n\n\n<li>\u5355\u5143\u6807\u8bc6\u7b26\uff08MBAP\u62a5\u6587\u5934\u4e2d\u7ed9\u51fa\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"07ded04d5cd7d4386fab96da5070817e\">\u7136\u540e\uff0c\u5206\u89e3MODBUS PDU\u3002\u9996\u5148\u5206\u6790\u529f\u80fd\u7801\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53\u65e0\u6548\u65f6\uff0c\u751f\u6210MODBUS\u5f02\u5e38\u54cd\u5e94\uff08\u5f02\u5e38\u78011\uff1a\u65e0\u6548\u529f\u80fd\uff09<\/li>\n\n\n\n<li>\u5982\u679c\u63a5\u6536\u529f\u80fd\u7801\uff0c\u670d\u52a1\u5668\u542f\u52a8\u4e00\u4e2a\u201cMODBUS\u670d\u52a1\u5904\u7406\u201d\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"bl9Jc\">MODBUS\u670d\u52a1\u5904\u7406<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-dominant-color=\"816581\" data-has-transparency=\"true\" decoding=\"async\" sizes=\"(max-width: 641px) 100vw, 641px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508212243966.png\"  class=\"wp-image-28063 has-transparency\" style=\"--dominant-color: #816581; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe17\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe17\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"4f5ffa2fb289e383dfd2b8539c94fedb\">\u56fe17\uff1aMODBUS \u670d\u52a1\u5904\u7406\u64cd\u4f5c\u6d41\u7a0b\u56fe<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"c0b4512b677d67fcc48ba876a6e0f83b\">\u6839\u636e\u540e\u9762\u5b9e\u4f8b\u4e2d\u7684\u8bbe\u5907\u8f6f\u4ef6\u548c\u786c\u4ef6\u7ed3\u6784\uff0c\u53ef\u4ee5\u7528\u4e0d\u540c\u7684\u65b9\u5f0f\u8fdb\u884c\u8981\u6c42\u7684MODBUS\u670d\u52a1\u5904\u7406\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u4e00\u4e2a\u5c0f\u578b\u8bbe\u5907\u6216\u5355\u7ebf\u7a0b\u4f53\u7cfb\u7ed3\u6784\u5185\uff0cMODBUS\u670d\u52a1\u5668\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u7528\u6237\u5e94\u7528\u6570\u636e\uff0c\u670d\u52a1\u5668\u81ea\u8eab\u53ef\u4ee5\u672c\u5730\u5904\u7406\u8981\u6c42\u7684\u670d\u52a1\uff0c\u800c\u65e0\u9700\u8c03\u7528\u540e\u53f0\u670d\u52a1\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"26e495d80c1931362e0f8dc8097eaf49\">\u6839\u636e\u201cMODBUS\u534f\u8bae\u89c4\u8303\u201d\uff0c\u8fdb\u884c\u8fd9\u79cd\u5904\u7406\u3002\u5728\u51fa\u73b0\u9519\u8bef\u7684\u60c5\u51b5\u4e0b\uff0c\u751f\u6210MODBUS\u5f02\u5e38\u54cd\u5e94\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u4e00\u4e2a\u6a21\u5757\u5316\u7684\u591a\u5904\u7406\u5668\u7684\u8bbe\u5907\u6216\u591a\u7ebf\u7a0b\u4f53\u7cfb\u7ed3\u6784\u4e2d\uff0c\u201c\u901a\u4fe1\u5c42\u201d\u548c\u201c\u7528\u6237\u5e94\u7528\u5c42\u201d\u662f\u4e24\u4e2a\u72ec\u7acb\u7684\u5b9e\u4f53\uff0c\u901a\u4fe1\u5b9e\u4f53\u53ef\u4ee5\u5b8c\u5168\u5730\u5904\u7406\u4e00\u4e9b\u4e0d\u91cd\u8981\u7684\u670d\u52a1\uff0c\u800c\u5176\u4ed6\u7684\u670d\u52a1\u9700\u8981\u5e94\u7528\u540e\u53f0\u670d\u52a1\u4e0e\u7528\u6237\u5e94\u7528\u5b9e\u4f53\u534f\u8c03\u5b8c\u6210\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"554cdfb2ac0f2413c8749dde1576169e\">\u4e3a\u4e86\u5b9e\u73b0\u4e0e\u7528\u6237\u5e94\u7528\u7684\u4ea4\u4e92\u4f5c\u7528\uff0cMODBUS\u540e\u53f0\u670d\u52a1\u5fc5\u987b\u6267\u884c\u6240\u6709\u9002\u5f53\u7684\u673a\u5236\uff0c\u4ee5\u4fbf\u5904\u7406\u7528\u6237\u5e94\u7528\u7684\u4e8b\u52a1\u5904\u7406\uff0c\u5e76\u4e14\u6b63\u786e\u7ba1\u7406\u7528\u6237\u5e94\u7528\u8c03\u7528\u548c\u76f8\u5e94\u7684\u54cd\u5e94\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"UCQpI\"><strong>\u7528\u6237\u5e94\u7528\u63a5\u53e3\uff08\u540e\u53f0\u63a5\u53e3\uff09<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"58360b26d81aaaca4e3428cc347007a0\">\u5728MODBUS\u540e\u53f0\u670d\u52a1\u4e2d\uff0c\u53ef\u4ee5\u6267\u884c\u51e0\u79cd\u7b56\u7565\u6765\u5b8c\u6210\u5de5\u4f5c\uff0c\u867d\u7136\u4ece\u7528\u6237\u7f51\u7edc\u541e\u5410\u91cf\u3001\u63a5\u53e3\u5e26\u5bbd\u4f7f\u7528\u3001\u54cd\u5e94\u65f6\u95f4\u3001\u751a\u81f3\u8bbe\u8ba1\u5de5\u4f5c\u91cf\u7684\u89d2\u5ea6\uff0c\u8fd9\u51e0\u79cd\u7b56\u7565\u662f\u4e0d\u5747\u8861\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"af62c2e6ae2aba4eb9d1550684c333e8\">MODBUS\u540e\u53f0\u670d\u52a1\u5c06\u5bf9\u7528\u6237\u5e94\u7528\u91c7\u7528\u9002\u5f53\u63a5\u53e3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6216\u57fa\u4e8e\u4e32\u884c\u94fe\u8def\u7684\u7269\u7406\u63a5\u53e3\uff0c\u6216\u53cc\u53e3RAM\u65b9\u6848\uff0c\u6216\u4e00\u6761\u7b80\u5355\u7684I\/O\u7535\u7f06\uff0c\u6216\u7531\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u7684\u57fa\u4e8e\u62a5\u6587\u4f20\u8f93\u670d\u52a1\u7684\u903b\u8f91\u63a5\u53e3\u3002<\/li>\n\n\n\n<li>\u5230\u7528\u6237\u5e94\u7528\u7684\u63a5\u53e3\u53ef\u4ee5\u662f\u540c\u6b65\u7684\u6216\u5f02\u6b65\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"0b56b85e0946bfb58d620ddd562d9dd1\">MODBUS\u540e\u53f0\u670d\u52a1\u8fd8\u5c06\u4f7f\u7528\u9002\u5f53\u7684\u8bbe\u8ba1\u6a21\u5f0f\u6765\u5f97\u5230\/\u8bbe\u5b9a\u76ee\u6807\u5c5e\u6027\u6216\u89e6\u53d1\u670d\u52a1\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e00\u4e2a\u7b80\u5355\u7684\u201c\u7f51\u5173\u6a21\u5f0f\u201d\u5c06\u662f\u8db3\u591f\u7684\u3002\u5728\u5176\u4ed6\u60c5\u51b5\u4e0b\uff0c\u4ece\u7b80\u5355\u7684\u4ea4\u6362\u8868\u5386\u53f2\u5230\u66f4\u590d\u6742\u7684\u91cd\u590d\u673a\u5236\u4e2d\uff0c\u8bbe\u8ba1\u8005\u5c06\u5fc5\u987b\u6267\u884c\u5e26\u6709\u9ad8\u901f\u7f13\u5b58\u7b56\u7565\u7684\u201c\u4ee3\u7406\u670d\u52a1\u5668\u6a21\u5f0f\u201d\uff0c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"c8b6c308232e4947429fd0108e60395b\">MODBUS\u540e\u53f0\u670d\u52a1\u6709\u8d23\u4efb\u5b9e\u73b0\u534f\u8bae\u7684\u8f6c\u6362\uff0c\u4ee5\u4fbf\u4e0e\u7528\u6237\u5e94\u7528\u8fdb\u884c\u4ea4\u4e92\u4f5c\u7528\u3002\u56e0\u6b64\uff0c\u5b83\u5fc5\u987b\u5177\u6709\u673a\u5236\u6765\u5b9e\u73b0\u62a5\u6587\u7684\u5206\u62c6\u548c\u91cd\u7ec4\u3001\u6570\u636e\u4e00\u81f4\u6027\u4fdd\u8bc1\u4ee5\u53ca\u6240\u6709\u9700\u8981\u7684\u540c\u6b65\u7b49\u529f\u80fd\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"fJn48\">MODBUS\u54cd\u5e94\u7684\u751f\u6210<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"39da419d8fbf74624461a20ed58bb77d\">\u4e00\u65e6\u5904\u7406\u8bf7\u6c42\uff0cMODBUS\u670d\u52a1\u5668\u5fc5\u987b\u4f7f\u7528\u9002\u5f53\u7684MODBUS\u670d\u52a1\u5668\u4e8b\u52a1\u5904\u7406\u751f\u6210\u4e00\u4e2a\u54cd\u5e94\uff0c\u5e76\u4e14\u5fc5\u987b\u5c06\u54cd\u5e94\u53d1\u9001\u5230TCP\u7ba1\u7406\u7ec4\u4ef6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"6c390e0dee47dd0b238ce0f2995f0c76\">\u6839\u636e\u5904\u7406\u7ed3\u679c\uff0c\u53ef\u4ee5\u751f\u6210\u4e24\u7c7b\u54cd\u5e94\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u80af\u5b9a\u7684MODBUS\u54cd\u5e94\uff1a<\/li>\n\n\n\n<li>\u54cd\u5e94\u529f\u80fd\u7801 = \u8bf7\u6c42\u529f\u80fd\u7801<\/li>\n\n\n\n<li>MODBUS\u5f02\u5e38\u54cd\u5e94\uff1a<\/li>\n\n\n\n<li>\u76ee\u7684\u662f\u4e3a\u5ba2\u6237\u673a\u63d0\u4f9b\u4e0e\u5904\u7406\u8fc7\u7a0b\u68c0\u6d4b\u5230\u7684\u9519\u8bef\u76f8\u5173\u7684\u4fe1\u606f<\/li>\n\n\n\n<li>\u54cd\u5e94\u529f\u80fd\u7801 = \u8bf7\u6c42\u529f\u80fd\u7801+0x80<\/li>\n\n\n\n<li>\u63d0\u4f9b\u5f02\u5e38\u7801\u6765\u8868\u660e\u51fa\u9519\u7684\u539f\u56e0\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u5f02\u5e38\u7801<\/td><td>MODBUS\u540d\u79f0<\/td><td>\u5907\u6ce8<\/td><\/tr><tr><td>01<\/td><td>\u975e\u6cd5\u7684\u529f\u80fd\u7801<\/td><td>\u670d\u52a1\u5668\u4e0d\u4e86\u89e3\u529f\u80fd\u7801<\/td><\/tr><tr><td>02<\/td><td>\u975e\u6cd5\u7684\u6570\u636e\u5730\u5740<\/td><td>\u4e0e\u8bf7\u6c42\u6709\u5173<\/td><\/tr><tr><td>03<\/td><td>\u975e\u6cd5\u7684\u6570\u636e\u503c<\/td><td>\u4e0e\u8bf7\u6c42\u6709\u5173<\/td><\/tr><tr><td>04<\/td><td>\u670d\u52a1\u5668\u6545\u969c<\/td><td>\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u670d\u52a1\u5668\u6545\u969c<\/td><\/tr><tr><td>05<\/td><td>\u786e\u8ba4<\/td><td>\u670d\u52a1\u5668\u63a5\u53d7\u670d\u52a1\u8c03\u7528\uff0c\u4f46\u662f\u9700\u8981\u76f8\u5bf9\u957f\u7684\u65f6\u95f4\u5b8c\u6210\u670d\u52a1\u3002\u56e0\u6b64\uff0c\u670d\u52a1\u5668\u4ec5\u8fd4\u56de\u4e00\u4e2a\u670d\u52a1\u8c03\u7528\u63a5\u6536\u7684\u786e\u8ba4\u3002<\/td><\/tr><tr><td>06<\/td><td>\u670d\u52a1\u5668\u7e41\u5fd9<\/td><td>\u670d\u52a1\u5668\u4e0d\u80fd\u63a5\u53d7MODBUS\u8bf7\u6c42PDU\u3002\u5ba2\u6237\u5e94\u7528\u7531\u8d23\u4efb\u51b3\u5b9a\u662f\u5426\u548c\u4f55\u65f6\u91cd\u53d1\u8bf7\u6c42\u3002<\/td><\/tr><tr><td>0A<\/td><td>\u7f51\u5173\u6545\u969c<\/td><td>\u7f51\u5173\u8def\u7ecf\u662f\u65e0\u6548\u7684\u3002<\/td><\/tr><tr><td>0B<\/td><td>\u7f51\u5173\u6545\u969c<\/td><td>\u76ee\u6807\u8bbe\u5907\u6ca1\u6709\u54cd\u5e94\u3002\u7f51\u5173\u751f\u6210\u8fd9\u4e2a\u5f02\u5e38\u4fe1\u606f\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"b09b646b414226a6f66167b099492ed6\">MODBUS\u54cd\u5e94PDU\u5fc5\u987b\u4ee5MBAP\u62a5\u6587\u5934\u505a\u524d\u7f00\uff0c\u4f7f\u7528\u4e8b\u52a1\u5904\u7406\u6b63\u6587\u4e2d\u7684\u6570\u636e\u751f\u6210MBAP\u62a5\u6587\u5934\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5355\u5143\u6807\u8bc6\u7b26<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"acf930e6d3bb0dcad9099b20695bfbab\">\u5f53\u5728\u6240\u6536\u5230\u7684MODBUS\u8bf7\u6c42\u4e2d\u7ed9\u51fa\u5355\u5143\u6807\u8bc6\u7b26\u65f6\uff0c\u62f7\u8d1d\u8fd9\u4e2a\u5355\u5143\u6807\u8bc6\u7b26\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u4e8b\u52a1\u5904\u7406\u7684\u6b63\u6587\u4e2d\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u957f\u5ea6<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"649ae744956ab97001d5572fcac89617\">\u670d\u52a1\u5668\u8ba1\u7b97MODBUS PDU\u548c\u5355\u5143\u6807\u8bc6\u7b26\u5b57\u7684\u5927\u5c0f\u3002\u5728\u201c\u957f\u5ea6\u201d\u57df\u4e2d\u8bbe\u7f6e\u8fd9\u4e2a\u503c\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u534f\u8bae\u6807\u8bc6\u7b26<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"334f850cfa116283b25a2e19fba080fb\">\u8bbe\u7f6e\u534f\u8bae\u6807\u8bc6\u7b26\u57df\u4e3a0x0000\uff08MODBUS\u534f\u8bae\uff09\uff0c\u5728\u6240\u6536\u5230\u7684MODBUS\u8bf7\u6c42\u4e2d\u7ed9\u51fa\u534f\u8bae\u6807\u8bc6\u7b26\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e8b\u52a1\u5904\u7406\u6807\u8bc6\u7b26<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"8158ddd2d9d29819254b119353b33c27\">\u8bbe\u7f6e\u8fd9\u4e2a\u57df\u4e3a\u201c\u4e8b\u52a1\u5904\u7406\u6807\u8bc6\u7b26\u201d\u503c\uff0c\u5b83\u4e0e\u521d\u59cb\u8bf7\u6c42\u6709\u5173\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"63687608c8682245f90db0cb593d6951\">\u5229\u7528\u4e8b\u52a1\u5904\u7406\u6b63\u6587\u4e2d\u5b58\u50a8\u7684TCP\u8fde\u63a5\u5bf9\u6b63\u786e\u7684MODBUS\u5ba2\u6237\u673a\u8fd4\u56deMODBUS\u54cd\u5e94\u3002\u5f53\u53d1\u9001\u54cd\u5e94\u65f6\uff0c\u4e8b\u52a1\u5904\u7406\u6b63\u6587\u5fc5\u987b\u91ca\u7a7a\u95f2\u7684\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"agKY1\">\u5b9e\u73b0\u6307\u5357<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"8bd5bc5d1ae201b486e167e77f927172\">\u672c\u7ae0\u7684\u76ee\u7684\u662f\u63d0\u51fa\u4e00\u4e2a\u5b9e\u73b0\u62a5\u6587\u4f20\u8f93\u670d\u52a1\u7684\u5b9e\u4f8b\u3002\u4e0b\u9762\u6240\u63cf\u8ff0\u7684\u6a21\u578b\u53ef\u7528\u4f5c\u5ba2\u6237\u673a\u6216\u670d\u52a1\u5668\u5b9e\u73b0MODBUS\u62a5\u6587\u4f20\u8f93\u670d\u52a1\u8fc7\u7a0b\u7684\u6307\u5357\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"qu991\">\u5bf9\u8c61\u6a21\u578b\u793a\u610f\u56fe<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-dominant-color=\"000000\" data-has-transparency=\"true\" decoding=\"async\" sizes=\"(max-width: 756px) 100vw, 756px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508212308474.png\"  class=\"wp-image-28064 has-transparency\" style=\"--dominant-color: #000000; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe18\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe18\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"911c05af0e0e4e5459c49df7dd9fe122\">\u56fe18\uff1aMODBUS\u62a5\u6587\u4f20\u8f93\u670d\u52a1\u5bf9\u8c61\u6a21\u578b\u793a\u610f\u56fe<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ded8b24fe889e5695fd2d483695eb4da\">\u56db\u79cd\u4e3b\u8981\u7a0b\u5e8f\u5305\u6784\u6210\u5bf9\u8c61\u6a21\u578b\u793a\u610f\u56fe\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u914d\u7f6e\u5c42\uff0c\u5b83\u914d\u7f6e\u548c\u7ba1\u7406\u5176\u5b83\u7a0b\u5e8f\u5305\u7ec4\u4ef6\u7684\u64cd\u4f5c\u6a21\u5f0f<\/li>\n\n\n\n<li>TCP\u7ba1\u7406\uff0c\u5b83\u4f7fTCP\/IP\u6808\u548c\u7ba1\u7406TCP\u8fde\u63a5\u7684\u901a\u4fe1\u5e94\u7528\u5c42\u8fde\u63a5\u3002\u8fd9\u6307\u7684\u662f\u5957\u63a5\u5b57\u63a5\u53e3\u7684\u7ba1\u7406\u3002<\/li>\n\n\n\n<li>\u901a\u4fe1\u5e94\u7528\u5c42\uff0c\u5b83\u7531\u5728\u4e00\u4fa7\u7684MODBUS\u5ba2\u6237\u673a\u548c\u5728\u53e6\u4e00\u4fa7\u7684MODBUS\u670d\u52a1\u5668\u7ec4\u6210\u3002\u8be5\u7a0b\u5e8f\u5305\u548c\u7528\u6237\u5e94\u7528\u94fe\u63a5\u3002<\/li>\n\n\n\n<li>\u7528\u6237\u5e94\u7528\uff0c\u5b83\u548c\u8bbe\u5907\u5e94\u7528\u76f8\u5bf9\u5e94\uff0c\u5b83\u5b8c\u5168\u4e0e\u8bbe\u5907\u6709\u5173\uff0c\u56e0\u6b64\u5728\u672c\u6587\u4ef6\u4e2d\u4e0d\u4e88\u8ba8\u8bba\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"818dd5b3271d0c66095b58b3b3a48366\">\u672c\u6a21\u578b\u4e0e\u5b9e\u73b0\u7684\u9009\u62e9\u65e0\u5173\uff0c\u4f8b\u5982\uff1aOS\u7c7b\u578b\u3001\u5b58\u50a8\u7ba1\u7406\u7b49\u3002\u4e3a\u4fdd\u8bc1\u8fd9\u79cd\u65e0\u76f8\u5173\u6027\uff0c\u5728TCP\u7ba1\u7406\u5c42\u548c\u901a\u4fe1\u5c42\u4e4b\u95f4\u4ee5\u53ca\u5728\u901a\u4fe1\u5c42\u548c\u7528\u6237\u5e94\u7528\u5c42\u4e4b\u95f4\u4f7f\u7528\u666e\u901a\u754c\u9762\u5c42\uff08generic Interface layers\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"aeefd0d651644dd596d8ba8440f6e2df\">\u6709\u4e0d\u540c\u7684\u5b9e\u73b0\u65b9\u6cd5\u5b9e\u73b0\u8be5\u754c\u9762\uff1a\u4e24\u9879\u4efb\u52a1\u4e4b\u95f4\u7684\u4f20\u8f93\u3001\u5171\u4eab\u5b58\u50a8\u5668\u3001\u4e32\u884c\u94fe\u63a5\u754c\u9762\u3001\u8fc7\u7a0b\u547c\u53eb\u7b49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"53cf106c380fc610584d9cbd68137252\">\u4e3a\u5b9a\u4e49\u4e0b\u9762\u7684\u5b9e\u73b0\u6a21\u578b\uff0c\u4f5c\u4e86\u4e00\u4e9b\u5047\u5b9a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9759\u6001\u5b58\u50a8\u5668\u7ba1\u7406<\/li>\n\n\n\n<li>\u670d\u52a1\u5668\u7684\u540c\u6b65\u5904\u7406<\/li>\n\n\n\n<li>\u5904\u7406\u6709\u5173\u6240\u6709\u5957\u63a5\u5b57\u63a5\u6536\u7684\u4efb\u52a1\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"lvzeo\">TCP\u7ba1\u7406\u7a0b\u5e8f\u5305<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"43e6965ef4159d2637c363b4d2492e8e\"><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"dedcb8\" data-has-transparency=\"true\" style=\"--dominant-color: #dedcb8;\" decoding=\"async\" sizes=\"(max-width: 950px) 100vw, 950px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508222259773.png?x-oss-process=image\/resize,m_lfit,w_950,h_906\"  class=\"wp-image-28075 has-transparency\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe19\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe19\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"7b500f9e44121e1aeb5d07d0e7ba2690\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u56fe19\uff1aMODBUS TCP\u7ba1\u7406\u7a0b\u5e8f\u5305<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"f0e8cf9325a4be2fcbe86619f62db6f0\">TCP\u7ba1\u7406\u7a0b\u5e8f\u5305\u5305\u62ec\u4e0b\u5217\u7c7b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"109a54a766e87b3c42d476f2641759f3\">ClnterfaceConnexion\uff1a\u8be5\u7c7b\u7684\u4f5c\u7528\u662f\u7ba1\u7406\u7528\u4e8e\u8fde\u63a5\u7684\u5b58\u50a8\u5e93\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"750ebc4d6fd45ec1e29c9556f6f13c89\">CltemConnexion\uff1a\u8be5\u7c7b\u542b\u6709\u63cf\u8ff0\u8fde\u63a5\u6240\u9700\u8981\u7684\u6240\u6709\u4fe1\u606f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"6bddb062508cb9a37f9c192082ec9b07\">CTCPConnexion\uff1a\u8be5\u7c7b\u63d0\u4f9b\u81ea\u52a8\u7ba1\u7406TCP\u8fde\u63a5\u7684\u65b9\u6cd5\uff08CStackTCP_IP\u63d0\u4f9b\u63a5\u53e3\u5957\u63a5\u5b57\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"e272ae38269d18737be4481630becc57\">CconnexionMngt\uff1a\u8be5\u7c7b\u7ba1\u7406\u6240\u6709\u8fde\u63a5\uff0c\u5e76\u901a\u8fc7CinterfaceindicationMsg\u548cCinterfaceRoseponseMsg\u5411MODBUS\u670d\u52a1\u5668\/MODBUS\u5ba2\u6237\u673a\u53d1\u9001\u8bf7\u6c42\/\u54cd\u5e94\u3002\u8be5\u7c7b\u8fd8\u5904\u7406\u8fde\u63a5\u5efa\u7acb\u7684\u8bbf\u95ee\u63a7\u5236\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"34369008e9daa4149ddbad3f98ed46bf\">CMBAP\uff1a\u8be5\u7c7b\u63d0\u4f9b\u8bfb\/\u5199\/\u5206\u6790MODBUS MBAP\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"20e30bbf6ee822de17d36fd2f04f376f\">CStackTCP_IP\uff1a\u8be5\u7c7b\u6267\u884c\u5957\u63a5\u5b57\u670d\u52a1\u5e76\u63d0\u4f9b\u6808\u7684\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"5d715be533c2ec2a7d02b7dd027c3250\">\u914d\u7f6e\u5c42\u7a0b\u5e8f\u5305<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"2c33f75d6dc13e4f66985a7558b073bb\"><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"e2e5c0\" data-has-transparency=\"true\" style=\"--dominant-color: #e2e5c0;\" decoding=\"async\" sizes=\"(max-width: 912px) 100vw, 912px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508222427280.png\"  class=\"wp-image-28077 has-transparency\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe20\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe20\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"9a8d9599d830d8b65595835f2685644a\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u56fe20\uff1aMODBUS\u914d\u7f6e\u5c42\u7a0b\u5e8f\u5305<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"0975ebd15f42e7d13ccafdb2aa53aa3e\">\u914d\u7f6e\u5c42\u7a0b\u5e8f\u5305\u5305\u62ec\u4e0b\u5217\u7c7b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"a642f5e668374b3fc61339b5fc344403\">TConfigreObject\uff1a\u8be5\u7c7b\u5c06\u5404\u7ec4\u4ef6\u76f8\u4e92\u914d\u7f6e\u6240\u9700\u7684\u6570\u636e\u5206\u7ec4\u3002\u7528CoperatingMode\u7c7b\u4e2d\u7684m_Confire\u65b9\u6cd5\u586b\u5145\u8fd9\u4e2a\u7ed3\u6784\u3002\u6bcf\u4e2a\u9700\u8981\u914d\u7f6e\u7684\u7c7b\u4ece\u8fd9\u4e2a\u5bf9\u8c61\u4e2d\u53d6\u5f97\u81ea\u5df1\u7684\u6570\u636e\u3002\u914d\u7f6e\u6570\u636e\u4e0e\u5b9e\u73b0\u672c\u8eab\u6709\u5173\u3002\u56e0\u6b64\uff0c\u63d0\u4f9b\u8be5\u7c7b\u7684\u5c5e\u6027\u8868\u4f5c\u4e3a\u4e00\u4e2a\u5b9e\u4f8b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"45587a78426564b624ba63aa07d188fe\">CoperatingMode\uff1a\u8be5\u7c7b\u7684\u4f5c\u7528\u662f\u586b\u5145TConfigueObject\uff08\u6839\u636e\u7528\u6237\u7684\u914d\u7f6e\uff09\u548c\u7ba1\u7406\u4e0b\u8ff0\u7c7b\u7684\u64cd\u4f5c\u6a21\u5f0f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CMODBUSServer<\/li>\n\n\n\n<li>CMODBUSClient<\/li>\n\n\n\n<li>CconnexionMngt<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"PqMSM\">\u901a\u4fe1\u5c42\u7a0b\u5e8f\u5305<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-dominant-color=\"c6dda5\" data-has-transparency=\"true\" decoding=\"async\" sizes=\"(max-width: 850px) 100vw, 850px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508222513782.png\"  class=\"wp-image-28078 has-transparency\" style=\"--dominant-color: #c6dda5; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe21\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe21\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"630dc2149ab7b455e55dc9abc0615ce2\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u56fe21\uff1aMODBUS\u901a\u4fe1\u5e94\u7528\u5c42\u7a0b\u5e8f\u5305<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"eab890c321e68a81e83c2ca8b89b9def\">\u901a\u4fe1\u5e94\u7528\u5c42\u7a0b\u5e8f\u5305\u5305\u62ec\u4ee5\u4e0b\u5404\u7c7b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"11f78e558b796c8275559eb44b7ddb3e\">CMODBUSServer\uff1a\u4eceCinterfaceIndicationMsg\u4e2d\u63a5\u6536MODBUS\u8be2\u95ee\uff08\u901a\u8fc7m_ServerRecievingMessage\u65b9\u6cd5\uff09\u3002\u8be5\u7c7b\u7684\u4f5c\u7528\u662f\u6839\u636e\u8be2\u95ee\u5efa\u7acbMODBUS\u54cd\u5e94\u6216MODBUS\u5f02\u5e38\uff08\u4ece\u7f51\u7edc\u8fdb\u5165\uff09\u3002\u8be5\u7c7b\u5b9e\u73b0MODBUS\u670d\u52a1\u5668\u7684Graph State\u3002\u53ea\u6709\u7c7bCoperatingMode\u53d1\u9001\u4e86\u7528\u6237\u914d\u7f6e\u548c\u6b63\u786e\u7684\u64cd\u4f5c\u6a21\u5f0f\uff0c\u624d\u53ef\u80fd\u751f\u6210\u54cd\u5e94\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ac1df625625de5cd04ec1b16441b1c03\">CMODBUSClient\uff1a\u4ece\u7c7bCinterfaceUserApplication\u4e2d\u8bfb\u53d6MODBUS\u8be2\u95ee\uff0c\u5ba2\u6237\u673a\u7684\u4efb\u52a1\u662f\u7528m_ClientReceivingMessage\u65b9\u6cd5\u63a5\u6536\u8be2\u95ee\u3002\u8be5\u7c7b\u5b9e\u73b0MODBUS\u5ba2\u6237\u673a\u7684State Graph\uff0c\u5e76\u4e14\u7ba1\u7406\u94fe\u63a5\u5e26\u6709\u54cd\u5e94\u7684\u8be2\u95ee\u7684\u4e8b\u52a1\u5904\u7406\uff08\u6765\u81ea\u7f51\u7edc\u7684\uff09\u3002\u53ea\u6709\u7c7bCoperatingMode\u53d1\u9001\u4e86\u7528\u6237\u914d\u7f6e\u548c\u6b63\u786e\u7684\u64cd\u4f5c\u6a21\u5f0f\uff0c\u624d\u80fd\u901a\u8fc7\u7f51\u7edc\u53d1\u9001\u8be2\u95ee\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"f81978ef1e0efec8585b1d0c1259a1f4\">CTransaction\uff1a\u8be5\u7c7b\u5b9e\u73b0\u7ba1\u7406\u4e8b\u52a1\u7684\u65b9\u6cd5\u548c\u7ed3\u6784\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"JGlJb\">\u63a5\u53e3\u7c7b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"3abc46f0e8c861694a1bc70e199e1ed8\">CInterfaceUserApplication\uff1a\u8be5\u7c7b\u8868\u793a\u4e0e\u7528\u6237\u5e94\u7528\u7684\u63a5\u53e3\uff0c\u5b83\u63d0\u4f9b\u4e24\u79cd\u8bbf\u95ee\u7528\u6237\u6570\u636e\u7684\u65b9\u6cd5\u3002\u5728\u5b9e\u9645\u7684\u5b9e\u73b0\u4e2d\uff0c\u6839\u636e\u786c\u4ef6\u548c\u8f6f\u4ef6\u8bbe\u5907\u7684\u80fd\u529b\uff0c\u7528\u4e0d\u540c\u7684\u65b9\u5f0f\u5b9e\u73b0\u8fd9\u79cd\u65b9\u6cd5\uff08\u76f8\u5f53\u4e8e\u4e00\u4e2a\u7ec8\u7aef\u9a71\u52a8\u5668\u3001\u8bbf\u95eePCMCIA\u7684\u5b9e\u4f8b\u3001\u5171\u4eab\u5b58\u50a8\u5668\u7b49\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"576774f5d57bb10cb54168b699a7bb7e\">CInterfaceIndicationMsg\uff1a\u8be5\u63a5\u53e3\u7c7b\u7528\u6765\u4ece\u7f51\u7edc\u5411MODBUS\u670d\u52a1\u5668\u53d1\u9001\u8be2\u95ee\uff0c\u4ee5\u53ca\u4ece\u7f51\u7edc\u5411\u5ba2\u6237\u673a\u53d1\u9001\u54cd\u5e94\u3002\u8be5\u7c7b\u4f7fTCPManagement\u548c\u901a\u4fe1\u5e94\u7528\u5c42\u7a0b\u5e8f\u5305\u8fde\u63a5\uff08\u4ece\u7f51\u7edc\u4e2d\uff09\u3002\u8be5\u7c7b\u7684\u5b9e\u73b0\u4e0e\u7f51\u7edc\u6709\u5173\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"19f32a76c6e57e89b89472bf6efc1e16\">CInterfaceResponseMsg\uff1a\u8be5\u63a5\u53e3\u7c7b\u7528\u4e8e\u4ece\u670d\u52a1\u5668\u63a5\u53d7\u54cd\u5e94\uff0c\u4ee5\u53ca\u4ece\u5ba2\u6237\u673a\u5411\u7f51\u7edc\u53d1\u9001\u8be2\u95ee\u3002\u8be5\u7c7b\u4f7f\u901a\u4fe1\u5e94\u7528\u5c42\u7a0b\u5e8f\u5305\u548cTCPManagement\u8fde\u63a5\uff08\u5411\u7f51\u7edc\uff09\u3002\u8be5\u7c7b\u7684\u5b9e\u73b0\u548c\u8bbe\u5907\u6709\u5173\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"9Ifx1\">\u901a\u4fe1\u5b9e\u73b0\u7684\u7c7b\u7684\u793a\u610f\u56fe<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"a09e0d5bdae8bc2dc2e0f9803a68abcb\">\u4e0b\u5217\u7c7b\u7684\u793a\u610f\u56fe\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u5b9e\u73b0\u65b9\u6848\u7684\u793a\u610f\u56fe\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img data-dominant-color=\"edf2ed\" data-has-transparency=\"false\" decoding=\"async\" sizes=\"(max-width: 950px) 100vw, 950px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508214216849.png?x-oss-process=image\/resize,m_lfit,w_950,h_1066\"  class=\"wp-image-28067 not-transparent\" style=\"--dominant-color: #edf2ed; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe22\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe22\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"674355baf5c2489d06b9b421ddd990f6\">\u56fe22\uff1a\u7c7b\u7684\u793a\u610f\u56fe<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"JFEs4\">\u5e8f\u5217\u56fe<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"30729bfaaeff63cf529bcb9c82bae457\">\u4e0b\u9762\u63cf\u8ff0\u4e86\u4e24\u4e2a\u5e8f\u5217\u56fe\uff0c\u4ee5\u4fbf\u8bf4\u660e\u5ba2\u6237\u673aMODBUS\u4e8b\u52a1\u5904\u7406\u548c\u670d\u52a1\u5668MODBUS\u4e8b\u52a1\u5904\u7406\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"f8f8f7\" data-has-transparency=\"false\" style=\"--dominant-color: #f8f8f7;\" decoding=\"async\" sizes=\"(max-width: 950px) 100vw, 950px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508212826496.png?x-oss-process=image\/resize,m_lfit,w_950,h_835\"  class=\"wp-image-28065 not-transparent\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe23\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe23\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"46ec1a57eb9deb23010001c6e9e57e31\">\u56fe23\uff1aMODBUS\u5ba2\u6237\u673a\u5e8f\u5217\u56fe<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"cbf929d0dca4090691fcf7115d60c3bd\">\u4e3a\u66f4\u597d\u5730\u7406\u89e3\u5ba2\u6237\u673a\u5e8f\u5217\u56fe\uff0c\u7b80\u5355\u7684\u6ce8\u91ca\u4e3a\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"0a5aa68100e7612d0a7ba7da3098a0f2\">\u7b2c\u4e00\u6b65\uff1a\u8bfb\u6765\u81ea\u7528\u6237\u5e94\u7528\u7684\u8be2\u95ee(\u901a\u8fc7m_Read\u65b9\u6cd5)\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"9be8f1b386677c4786872453190a7ed1\">\u7b2c\u4e8c\u6b65\uff1a\u5ba2\u6237\u673a\u7684\u4efb\u52a1\u662f\u63a5\u6536MODBUS\u8be2\u95ee\uff08\u901a\u8fc7m_ClientReceivingMessage\u65b9\u6cd5\uff09\u3002\u8fd9\u662f\u5ba2\u6237\u673a\u7684\u8fdb\u5165\u70b9\u3002\u4e3a\u4e86\u4f7f\u8be2\u95ee\u548c\u76f8\u5e94\u7684\u54cd\u5e94\u76f8\u4e92\u534f\u8c03\uff0c\u5f53\u5f97\u5230\u8be2\u95ee\u65f6\uff0c\u5ba2\u6237\u673a\u4f7f\u7528\u4e8b\u52a1\u5904\u7406\u8d44\u6e90\uff08\u7c7b\u540d\uff1aCTransaction\uff09\u3002\u901a\u8fc7\u547c\u53eb\u7c7b\u63a5\u53e3CInterfaceResponseMsg\u5411TCP_Management\u53d1\u9001MODBUS\u8be2\u95ee\uff08\u901a\u8fc7m_MODBUSRequest\u65b9\u6cd5\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"6fcd4a72c74209082c8b4a17859ca3ad\">\u7b2c\u4e09\u6b65\uff1a\u5982\u8fc7\u5df2\u5efa\u7acb\u8fde\u63a5\uff0c\u5e76\u4e14\u4e0d\u9700\u8981\u5bf9\u8fde\u63a5\u505a\u4ec0\u4e48\uff0c\u90a3\u4e48\u901a\u8fc7\u7f51\u7edc\u53d1\u9001\u62a5\u6587\u3002\u5426\u5219\uff0c\u5728\u7f51\u7edc\u4e0a\u53ef\u4ee5\u53d1\u9001\u62a5\u6587\u4e4b\u524d\uff0c\u5fc5\u987b\u6709\u5f00\u653e\u7684\u8fde\u63a5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"3e697b6a72b1a1983c9fe8fb8bb4f522\">\u6b64\u65f6\uff0c\u5ba2\u6237\u673a\u7b49\u5f85\u6700\u540e\u8ba8\u8bba\u7684\u54cd\u5e94\uff08\u6765\u81ea\u8fdc\u7a0b\u670d\u52a1\u5668\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"647fe2ee094b5671a828667a79310e73\">\u7b2c\u56db\u6b65\uff1a\u82e5\u4ece\u5df2\u7ecf\u4ece\u7f51\u7edc\u5f97\u5230\u54cd\u5e94\uff0c\u90a3\u4e48TCP\/IP\u6808\u63a5\u6536\u6570\u636e\uff08\u9690\u853d\u5730\u547c\u53ebm_EventOnStack\u65b9\u6cd5\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ac07b46ba8bac4dfb05ca849b966178a\">\u5982\u679c\u5df2\u5efa\u7acb\u8fde\u63a5\uff0c\u90a3\u4e48\u8bfbMBAP\u4ee5\u6062\u590d\u8fde\u63a5\u5bf9\u8c61\uff08\u8fde\u63a5\u5bf9\u8c61\u63d0\u4f9b\u5b58\u50a8\u8d44\u6e90\u548c\u5176\u5b83\u4fe1\u606f\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"1a631931dddb80b95dafb32f5b363969\">\u8bfb\u53d6\u6765\u81ea\u7f51\u7edc\u7684\u6570\u636e\uff0c\u901a\u8fc7\u7c7b\u63a5\u53e3CinterfaceIndicationMsg\u5411\u5ba2\u6237\u673a\u53d1\u9001\u8bc1\u5b9e\uff08\u901a\u8fc7m_MODBUSConfirmation\u65b9\u6cd5\uff09\u3002\u5ba2\u6237\u673a\u7684\u4efb\u52a1\u662f\u63a5\u6536MODBUS\u8bc1\u5b9e\uff08\u901a\u8fc7m_ClientReceivingResponse\u65b9\u6cd5\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"7f0d4d6d0f91377d858663619311ca0a\">\u6700\u540e\uff0c\u5411\u7528\u6237\u5e94\u7528\u5199\u5165\u54cd\u5e94\uff08\u901a\u8fc7m_Writedata\u65b9\u6cd5\uff09\uff0c\u5e76\u4e14\u4e8b\u52a1\u5904\u7406\u8d44\u6e90\u662f\u7a7a\u95f2\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"5f564ee1e9847bce7a158bb5d965cae9\">\u4e0b\u9762\u662fMODBUS\u670d\u52a1\u5668\u4ea4\u6362\u7684\u5b9e\u4f8b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img data-dominant-color=\"f9f9f9\" data-has-transparency=\"false\" decoding=\"async\" sizes=\"(max-width: 950px) 100vw, 950px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240508212902835.png?x-oss-process=image\/resize,m_lfit,w_950,h_950\"  class=\"wp-image-28066 not-transparent\" style=\"--dominant-color: #f9f9f9; width:840px;height:auto\"\/ loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe24\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe24\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"cd5ca11881c924b1ada37219d278f05f\">\u56fe24\uff1aMODBUS\u670d\u52a1\u5668\u5e8f\u5217\u56fe<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"4292a9e48fb98314bc2e4d8ce7d878f9\">\u4e3a\u66f4\u597d\u5730\u7406\u89e3\u5ba2\u6237\u673a\u5e8f\u5217\u56fe\uff0c\u7b80\u5355\u7684\u6ce8\u91ca\u4e3a\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"df274d3ab3d84d8ddd954ebb0c59b8c9\">\u7b2c\u4e00\u6b65\uff1a\u67d0\u5ba2\u6237\u673a\u5df2\u901a\u8fc7\u7f51\u7edc\u53d1\u9001\u4e86\u8be2\u95ee\uff08MODBUS\u8be2\u95ee\uff09\u3002TCP\/IP\u6808\u63a5\u6536\u6570\u636e\uff08\u9690\u853d\u5730\u547c\u53ebm_EventOnSocket\u65b9\u6cd5\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"88a9a25501ffcaea7d3acbcb631dc296\">\u7b2c\u4e8c\u6b65\uff1a\u8bf7\u6c42\u53ef\u80fd\u662f\u8fde\u63a5\u8bf7\u6c42\uff0c\u4e5f\u53ef\u80fd\u4e0d\u662f\u8fde\u63a5\u8bf7\u6c42\uff08\u901a\u8fc7m_IsConnexionRequest\u65b9\u6cd5\uff09\u3002\u5982\u679c\u8bf7\u6c42\u662f\u8fde\u63a5\u8bf7\u6c42\uff0c\u90a3\u4e48\u5206\u914d\u8fde\u63a5\u5bf9\u8c61\u548c\u6536\u53d1MODBUS\u5e27\u7684\u7f13\u51b2\u5668\uff08m_GetObjectConnexion\uff09\u3002\u4e4b\u540e\uff0c\u5fc5\u987b\u68c0\u67e5\u548c\u63a5\u53d7\u8fde\u63a5\u8bbf\u95ee\u63a7\u5236\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"3811c47e2abd577a8cf02f4ce4fd381b\">\u7b2c\u4e09\u6b65\uff1a\u5982\u679c\u8be2\u95ee\u662fMODBUS\u8bf7\u6c42\uff0c\u90a3\u4e48\u53ef\u4ee5\u8bfb\u51fa\u5b8c\u6574\u7684MODBUS Query\uff08\u901a\u8fc7m_ReceiveData\u65b9\u6cd5\uff09\u3002\u6b64\u65f6\uff0c\u5fc5\u987b\u5206\u6790MBAP\uff08\u901a\u8fc7m_IsMdbHeadercorrect\u65b9\u6cd5\uff09\u3002\u901a\u8fc7CInterfaceIndicationMessaging\u7c7b\u5411\u670d\u52a1\u5668\u4efb\u52a1\uff08task\uff09\u53d1\u9001\u5b8c\u6574\u7684\u5e27\uff08\u901a\u8fc7m_MODBUSIndication\u65b9\u6cd5\uff09\u3002\u670d\u52a1\u5668\u7684\u4efb\u52a1\u662f\u63a5\u6536MODBUS QUERY\uff08\u901a\u8fc7m_ServerReceivingMessage\u65b9\u6cd5\uff09\u5e76\u52a0\u4ee5\u5206\u6790\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"6da5bae0d17ff39c3efbbaebca8b1ea6\">\u5982\u679c\u6709\u5dee\u9519\u51fa\u73b0\uff08\u672a\u652f\u6301\u7684\u529f\u80fd\u7801\u7b49\uff09\uff0c\u751f\u6210MODBUS\u5f02\u5e38\u5e27\u5f62\uff08m_BuildMODBUSException\uff09\uff0c\u5426\u5219\u751f\u6210\u54cd\u5e94\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"25cc90976e87709f71f22ecea98d8037\">\u7b2c\u56db\u6b65\uff1a\u901a\u8fc7CInterfaceResponseMessaging\uff08\u901a\u8fc7m_MODBUSResponse\u65b9\u6cd5\uff09\u5728\u7f51\u7edc\u4e0a\u53d1\u9001\u54cd\u5e94\u3002\u901a\u8fc7m_SendData\u65b9\u6cd5\u8fdb\u884c\u5bf9\u8fde\u63a5\u5bf9\u8c61\u7684\u5904\u7406\uff08\u6062\u590d\u8fde\u63a5\u63cf\u8ff0\u7b26\u7b49\uff09\uff0c\u5728\u7f51\u7edc\u4e0a\u53d1\u9001\u6570\u636e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"AMfjY\">\u7c7b\u548c\u65b9\u6cd5\u7684\u63cf\u8ff0<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"bxMtl\">MODBUS\u670d\u52a1\u5668\u7aef\u7684\u7c7b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"cd9b90f9f5550ee78409bce02c2df6e0\">\u7c7b\u540d\uff1aCMODBUSServer<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"a15a3b566121a0d51e4d652d664a8b73\">\u7c7b\u540d\uff1a<strong>CMODBUSServer<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"e65920235aa1fbe9b46cf25caa96230f\"><strong>Stereotype\u5b9e\u73b0\u7c7b<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"35bd0b27c881802a6745ee4e745cfb9a\">\u63d0\u4f9b\u7528\u670d\u52a1\u5668\u6a21\u5f0f\u7ba1\u7406MODBUS\u62a5\u6587\u4f20\u8f93\u7684\u65b9\u6cd5<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td colspan=\"2\"><strong>\u57df\u7efc\u8ff0<\/strong><\/td><\/tr><tr><td>protected char<\/td><td><a href=\"CModbusServer.html&quot; \\l &quot;GlobalState\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>GlobalState<\/strong><\/a>MODBUS\u670d\u52a1\u5668\u7684\u72b6\u6001<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td colspan=\"2\"><strong>\u6784\u9020\u5668\u7efc\u8ff0<\/strong><\/td><\/tr><tr><td><a href=\"CModbusServer.html&quot; \\l &quot;CModbusServer(TConfigureObject)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>CMODBUSServer<\/strong><\/a>(<a href=\"TConfigureObject.html\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\">TConfigureObject *<\/a> lnkConfigureObject)\u6784\u9020\u5668\uff1a\u751f\u6210\u5185\u90e8\u5bf9\u8c61<\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td colspan=\"2\"><strong>\u65b9\u6cd5\u7efc\u8ff0<\/strong><\/td><\/tr><tr><td>protected void<\/td><td><a href=\"CModbusServer.html&quot; \\l &quot;m_InitServerFunctions(void)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_InitServerFunctions<\/strong><\/a>(void )\u4e3a\u586b\u5145\u529f\u80fd\u9635\u5217\u201cm_ServerFunction\u201d\u6570\u5217\u6784\u9020\u5668\u547c\u53eb\u7684\u529f\u80fd<\/td><\/tr><tr><td>bool<\/td><td><a href=\"CModbusServer.html&quot; \\l &quot;m_Reset(void)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_Reset<\/strong><\/a>(void )\u91cd\u65b0\u8bbe\u7f6e\u670d\u52a1\u5668\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u91cd\u65b0\u8bbe\u7f6e\uff0c\u90a3\u4e48\u8fd4\u56de\u80af\u5b9a\u503c<\/td><\/tr><tr><td>int<\/td><td><a href=\"CModbusServer.html&quot; \\l &quot;m_ServerReceivingMessage(TItemConnexion)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_ServerReceivingMessage<\/strong><\/a>(<a href=\"TItemConnexion.html\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\">TItemConnexion *<\/a> lnkMODBUS)\u4e0eCindicationMsg\uff1a\uff1am_MODBUSIndication\u7684\u63a5\u53e3\uff0c\u4ee5\u4ece\u7f51\u7edc\u63a5\u6536\u8be2\u95ee\uff0c\u5982\u6709\u95ee\u9898\uff0c\u8fd4\u56de\u5426\u5b9a\u503c<\/td><\/tr><tr><td>bool<\/td><td><a href=\"CModbusServer.html&quot; \\l &quot;m_Start(void)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_Start<\/strong><\/a>(void )\u542f\u52a8\u670d\u52a1\u5668\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u542f\u52a8\uff0c\u8fd4\u56de\u80af\u5b9a\u503c<\/td><\/tr><tr><td>bool<\/td><td><a href=\"CModbusServer.html&quot; \\l &quot;m_Stop(void)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_Stop<\/strong><\/a>(void )\u505c\u6b62\u670d\u52a1\u5668\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u505c\u6b62\uff0c\u8fd4\u56de\u80af\u5b9a\u503c<\/td><\/tr><tr><td>protected void<\/td><td><a href=\"CModbusServer.html&quot; \\l &quot;m_tServerModbus(void)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_tServerMODBUS<\/strong><\/a>(void )\u670d\u52a1\u5668\u7684MODBUS\u4efb\u52a1..<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"gCbIG\">MODBUS\u5ba2\u6237\u673a\u7c7b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"c756bfcc9ee92b79022af97f3abc8e61\">\u7c7b\u540d\uff1aCMODBUSClient<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"eebc12ff8a51bf23647b13bc387aa2d8\">\u7c7b\u540d\uff1aCMODBUSClient<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ff3688366b8c68d7e50c126414018e30\">\u63d0\u4f9b\u7528\u5ba2\u6237\u673a\u6a21\u5f0f\u7ba1\u7406MODBUS\u62a5\u6587\u4f20\u8f93\u7684\u65b9\u6cd5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"4c110757e511e4c474442660b09d399c\"><strong>Stereotype<\/strong>\u5b9e\u73b0\u7c7b<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td colspan=\"2\">\u57df\u7efc\u8ff0<\/td><\/tr><tr><td>protected char<\/td><td><strong>GlobalState<\/strong>MODBUS\u5ba2\u6237\u673a\u7684\u72b6\u6001<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td colspan=\"2\">\u6784\u9020\u5668\u7efc\u8ff0<\/td><\/tr><tr><td><strong>CMODBUSClient<\/strong>(TConfigureObject * lnkConfigureObject)\u6784\u9020\u5668\uff1a\u751f\u6210\u5185\u90e8\u5bf9\u8c61\uff0c\u542f\u52a80\u53d8\u91cf<\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td colspan=\"2\">\u65b9\u6cd5\u7efc\u8ff0<\/td><\/tr><tr><td>Int<\/td><td><strong>m_ClientReceivingMessage<\/strong>(<a href=\"TItemConnexion.html\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\">TItemConnexion *<\/a> lnkMODBUS)\u4ece\u5e94\u7528\u5c42\u63a5\u6536\u62a5\u6587\u4f20\u8f93\u7684\u63a5\u53e3\uff1a\u547c\u53eb\u8bfb\u6570\u636e\u547c\u53eb\u7684CinterfaceUserApplication::m_Read \u4e3a\u4e8b\u52a1\u5904\u7406\u53d6\u5f97\u5b58\u50a8\u5668\u7684CInterfaceConnexion::m_GetObjectConnexion \u5982\u679c\u6709\u95ee\u9898\uff0c\u90a3\u4e48\u8fd4\u56de\u5426\u5b9a\u503c<\/td><\/tr><tr><td>Bool<\/td><td><strong>m_Reset<\/strong>(\u7a7a\u7684)\u91cd\u65b0\u8bbe\u7f6e\u7ec4\u4ef6\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u91cd\u65b0\u8bbe\u7f6e\uff0c\u8fd4\u56de\u80af\u5b9a\u503c<\/td><\/tr><tr><td>bool<\/td><td><strong>m_Start<\/strong>(\u7a7a\u7684)\u542f\u52a8\u7ec4\u4ef6\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u542f\u52a8\uff0c\u8fd4\u56de\u80af\u5b9a\u503c<\/td><\/tr><tr><td>bool<\/td><td><strong>m_Stop<\/strong>(\u7a7a\u7684)\u505c\u6b62\u7ec4\u4ef6\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u505c\u6b62\uff0c\u8fd4\u56de\u80af\u5b9a\u503c<\/td><\/tr><tr><td>protected \u7a7a\u7684<\/td><td><strong>m_tClientMODBUS<\/strong>(\u7a7a\u7684)\u5ba2\u6237\u673a\u7684MODBUS\u4efb\u52a1&#8230;.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"FBN7l\"><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"seP4E\">\u63a5\u53e3\u7684\u7c7b<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"Hl010\">\u63a5\u53e3\u6307\u793a\u7c7b<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"e95982b0c842ec2b48b91101bc14617e\">\u7c7b\u540d\uff1aCInterfaceIndicationMsg<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"880623c5da6c42527c5d5a20cd1cff00\">\u76f4\u63a5\u5df2\u77e5\u7684\u5b50\u7c7b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"016a8920257aedff31f9747ea42a2b75\"><a href=\"CConnexionMngt.html\" rel=\"noopener noreferrer nofollow\">CConnexionMngt<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"425b576838a4b8185c514d531b69b168\">\u7c7b\u540d\uff1a<strong>CInterfaceIndicationMsg<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"8f1d498ca4600a01d66163adb1078449\">\u4eceTCP_Management\u5411MODBUS\u670d\u52a1\u5668\u6216\u5ba2\u6237\u673a\u53d1\u9001\u62a5\u6587\u7684\u7c7b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"f1345b09690b03ead1f32b25d592588e\">Stereotype<strong>\u63a5\u53e3<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td colspan=\"2\">\u65b9\u6cd5\u7efc\u8ff0<\/td><\/tr><tr><td>int<\/td><td><a href=\"CInterfaceIndicationMsg.html&quot; \\l &quot;m_ModbusConfirmation(TItemConnexion)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_MODBUSConfirmation<\/strong><\/a>(<a href=\"TItemConnexion.html\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\">TItemConnexion *<\/a> lnkObject)\u63a5\u6536\u8fdb\u5165\u54cd\u5e94\u548c\u547c\u53eb\u5ba2\u6237\u673a\u7684\u65b9\u6cd5\uff1a\u901a\u8fc7\u53ef\u7528\u53c2\u8003\u503c\u3001\u62a5\u6587\u6392\u961f\u3001\u8fdc\u7a0b\u8fc7\u7a0b\u547c\u53eb\u7b49, &#8230;<\/td><\/tr><tr><td>int<\/td><td><a href=\"CInterfaceIndicationMsg.html&quot; \\l &quot;m_ModbusIndication(TItemConnexion)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_MODBUSIndication<\/strong><\/a>(<a href=\"TItemConnexion.html\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\">TItemConnexion *<\/a> lnkObject)\u8bfb\u8fdb\u5165MODBUS\u8be2\u95ee\u548c\u547c\u53eb\u670d\u52a1\u5668\u7684\u65b9\u6cd5\uff1a\u901a\u8fc7\u53ef\u7528\u53c2\u8003\u503c\u3001\u62a5\u6587\u6392\u961f\u3001\u8fdc\u7a0b\u8fc7\u7a0b\u547c\u53eb\u7b49, &#8230;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"RvbiN\">\u63a5\u53e3\u54cd\u5e94\u7c7b<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"25497eabbaffdb2abc4a08f3246af585\">\u7c7b\u540d\uff1aCInterfaceResponseMsg<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"d36a48f9b2d5be8c60803b83739c301b\">\u76f4\u63a5\u5df2\u77e5\u7684\u5b50\u7c7b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"5ec45547ffb19dee99b0b19541b04546\"><a href=\"CModbusClient.html\" rel=\"noopener noreferrer nofollow\">CMODBUSClient<\/a>\u3001<a href=\"CModbusServer.html\" rel=\"noopener noreferrer nofollow\">CMODBUSServer<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"bbbaeacfe908f3ee1b1cebd17f4a4505\">class <strong>CInterfaceResponseMsg<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"5cabd185a28c1f95b5c5e0d59e639821\">\u4ece\u5ba2\u6237\u673a\u6216\u670d\u52a1\u5668\u5411TCP_Management\u53d1\u9001\u54cd\u5e94\u6216\u8be2\u95ee\u7684\u7c7b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"04f2720f1472b30de8cba2a677947433\">Stereotype<strong>\u63a5\u53e3<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td colspan=\"2\">\u65b9\u6cd5\u7efc\u8ff0<\/td><\/tr><tr><td><a href=\"TItemConnexion.html\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\">TitemConnexion *<\/a><\/td><td><a href=\"CInterfaceResponseMsg.html&quot; \\l &quot;m_GetMemoryConnexion(unsigned long)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_GetMemoryConnexion<\/strong><\/a>(unsigned long IPDest)\u4ece\u5b58\u50a8\u5e93\u5f97\u5230\u5bf9\u8c61ItemConnexion\uff0c\u5982\u679c\u5b58\u50a8\u4e0d\u5145\u8db3\uff0c\u8fd4\u56de\u503c-1<\/td><\/tr><tr><td>int<\/td><td><a href=\"CInterfaceResponseMsg.html&quot; \\l &quot;m_ModbusRequest(TItemConnexion)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_MODBUSRequest<\/strong><\/a>(<a href=\"TItemConnexion.html\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\">TItemConnexion *<\/a> lnkCMODBUS)\u5c06\u8fdb\u5165MODBUS\u8be2\u95ee\u5ba2\u6237\u673a\u5199\u5165ConnexionMngt\u7684\u65b9\u6cd5\uff1a\u901a\u8fc7\u53ef\u7528\u53c2\u8003\u503c\u3001\u62a5\u6587\u6392\u961f\u3001\u8fdc\u7a0b\u8fc7\u7a0b\u547c\u53eb\u7b49, &#8230;<\/td><\/tr><tr><td>int<\/td><td><a href=\"CInterfaceResponseMsg.html&quot; \\l &quot;m_ModbusResponse(TItemConnexion)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_MODBUSResponse<\/strong><\/a>(<a href=\"TItemConnexion.html\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\">TItemConnexion *<\/a> lnkObject)\u5c06MODBUS\u670d\u52a1\u5668\u7684\u54cd\u5e94\u5199\u5165ConnexionMngt\u7684\u65b9\u6cd5\uff1a\u901a\u8fc7\u53ef\u7528\u53c2\u8003\u503c\u3001\u62a5\u6587\u6392\u961f\u3001\u8fdc\u7a0b\u8fc7\u7a0b\u547c\u53eb\u7b49, &#8230;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"XJh4K\">\u8fde\u63a5\u7ba1\u7406\u7c7b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"1d3263d647d64ffecdbaee3422d0a284\">\u7c7b\u540d\uff1aCConnexionMngt<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"45554fc7731e681702a148c288176b6c\">\u7c7b\u540d\uff1a<strong>CConnexionMngt<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"2e1099739c8fcd7a7ae14a24d5a35225\">\u7ba1\u7406\u6240\u6709TCP\u8fde\u63a5\u7684\u7c7b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"bb09293398f6663d23b7f41fdebc90b5\"><strong>Stereotype \u5b9e\u73b0\u7c7b<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td colspan=\"2\">\u57df\u7efc\u8ff0<\/td><\/tr><tr><td>protected char<\/td><td><a href=\"CConnexionMngt.html&quot; \\l &quot;GlobalState\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>GlobalState<\/strong><\/a>\u7ec4\u4ef6ConnexionMngt\u7684\u7efc\u5408\u72b6\u6001<\/td><\/tr><tr><td>Int<\/td><td><a href=\"CConnexionMngt.html&quot; \\l &quot;NbConnectionSupported\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>NbConnectionSupported<\/strong><\/a>\u8fde\u63a5\u7684\u5168\u90e8\u6570\u91cf<\/td><\/tr><tr><td>Int<\/td><td><a href=\"CConnexionMngt.html&quot; \\l &quot;NbLocalConnection\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>NbLocalConnection<\/strong><\/a>\u672c\u5730\u5ba2\u6237\u673a\u5411\u8fdc\u7a0b\u670d\u52a1\u5668\u5f00\u653e\u7684\u8fde\u63a5\u6570\u91cf<\/td><\/tr><tr><td>Int<\/td><td><a href=\"CConnexionMngt.html&quot; \\l &quot;NbRemoteConnection\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>NbRemoteConnection<\/strong><\/a>\u8fdc\u7a0b\u5ba2\u6237\u673a\u5411\u672c\u5730\u670d\u52a1\u5668\u5f00\u653e\u7684\u8fde\u63a5\u6570\u91cf<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td colspan=\"2\">\u6784\u9020\u5668\u7efc\u8ff0<\/td><\/tr><tr><td><a href=\"CConnexionMngt.html&quot; \\l &quot;CConnexionMngt(TConfigureObject)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>CconnexionMngt<\/strong><\/a>(<a href=\"TConfigureObject.html\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\">TConfigureObject *<\/a> lnkConfigureObject)\u6784\u9020\u5668\uff1a\u751f\u6210\u5185\u90e8\u5bf9\u8c61\u3001\u542f\u52a80\u53d8\u91cf<\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td colspan=\"2\">\u65b9\u6cd5\u7efc\u8ff0<\/td><\/tr><tr><td>int<\/td><td><a href=\"CConnexionMngt.html&quot; \\l &quot;m_EventOnSocket(void)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_EventOnSocket<\/strong><\/a>(\u7a7a\u7684)\u5524\u9192<\/td><\/tr><tr><td>bool<\/td><td><a href=\"CConnexionMngt.html&quot; \\l &quot;m_IsConnectionAuthorized(unsigned long)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_IsConnectionAuthorized<\/strong><\/a>(unsigned long IPAdress)\u5982\u679c\u6388\u6743\u65b0\u8fde\u63a5\uff0c\u8fd4\u56de\u80af\u5b9a\u503c<\/td><\/tr><tr><td>int<\/td><td><a href=\"CConnexionMngt.html&quot; \\l &quot;m_ReceiveData(TItemConnexion)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_ReceiveData<\/strong><\/a>(<a href=\"TItemConnexion.html\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\">TItemConnexion *<\/a> lnkConnexion)\u4e0eCTCPConnexion::write\u63a5\u53e3\uff0c\u4ece\u7f51\u7edc\u4e2d\u8bfb\u6570\u636e\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u6709\u95ee\u9898\uff0c\u8fd4\u56de\u5426\u5b9a\u503c<\/td><\/tr><tr><td>bool<\/td><td><a href=\"CConnexionMngt.html&quot; \\l &quot;m_Reset(void)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_Reset<\/strong><\/a>(\u7a7a\u7684)\u91cd\u65b0\u8bbe\u7f6eConnectionMngt\u7ec4\u4ef6\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u91cd\u65b0\u8bbe\u7f6e\uff0c\u8fd4\u56de\u80af\u5b9a\u503c<\/td><\/tr><tr><td>int<\/td><td><a href=\"CConnexionMngt.html&quot; \\l &quot;m_SendData(TItemConnexion)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_SendData<\/strong><\/a>(<a href=\"TItemConnexion.html\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\">TItemConnexion *<\/a> lnkConnexion)\u4e3aCTCPConnexion::read\u63a5\u53e3\uff0c\u5411\u7f51\u7edc\u53d1\u9001\u6570\u636e\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u6709\u95ee\u9898\uff0c\u8fd4\u56de\u5426\u5b9a\u503c<\/td><\/tr><tr><td>bool<\/td><td><a href=\"CConnexionMngt.html&quot; \\l &quot;m_Start(void)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_Start<\/strong><\/a>(\u7a7a\u7684)\u542f\u52a8ConnectionMngt\u7ec4\u4ef6\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u542f\u52a8\uff0c\u8fd4\u56de\u80af\u5b9a\u503c<\/td><\/tr><tr><td>bool<\/td><td><a href=\"CConnexionMngt.html&quot; \\l &quot;m_Stop(void)\" target=\"_blank\" rel=\"noopener noreferrer nofollow noreferrer noopener\"><strong>m_Stop<\/strong><\/a>(\u7a7a\u7684)\u505c\u6b62\u7ec4\u4ef6\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u505c\u6b62\uff0c\u8fd4\u56de\u80af\u5b9a\u503c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div class=\"wp-block-wpcom-premium-download\"><div class=\"hidden-content-wrap premium-download-wrap\" id=\"943fb448-eeaf-4e4c-b484-2c523a8a048d\">\n    <svg class=\"hidden-content-bg\" width=\"879\" height=\"205\" viewBox=\"0 45 820 160\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n        <defs>\n            <linearGradient x1=\"100%\" y1=\"23.013%\" x2=\"9.11%\" y2=\"68.305%\" id=\"la\"><stop stop-color=\"var(--member-color, var(--theme-color))\" stop-opacity=\".01\" offset=\".533%\"\/><stop stop-color=\"var(--member-color, var(--theme-color))\" stop-opacity=\".15\" offset=\"100%\"\/><\/linearGradient>\n            <linearGradient x1=\"81.006%\" y1=\"27.662%\" x2=\".899%\" y2=\"69.383%\" id=\"lb\"><stop stop-color=\"var(--member-color, var(--theme-color))\" stop-opacity=\".15\" offset=\"0%\"\/><stop stop-color=\"var(--member-color, var(--theme-color))\" stop-opacity=\".01\" offset=\"100%\"\/><\/linearGradient>\n        <\/defs>\n        <g fill=\"none\" fill-rule=\"evenodd\"><path d=\"M9.871 124.063c7.9 9.12 28.19 21.598 46.66 5.41 19.19-16.818 27.986-42.87 15.531-51.971-12.454-9.102-37.594-6.819-59.32 1.62-21.727 8.44-10.77 35.822-2.87 44.941z\" fill=\"url(#la)\" transform=\"translate(67.938 .937)\"\/><path d=\"M610.783 44.063c-25.145 39.42-47.054 78.134-30.12 105.532 16.932 27.398 74.377 30.672 171.4 6.468 97.021-24.203 52.5-112.016 17.794-141.793-34.705-29.777-133.929-9.626-159.074 29.793z\" fill=\"url(#lb)\" transform=\"translate(67.938 .937)\"\/><path fill-opacity=\".06\" fill=\"var(--member-color, var(--theme-color))\" d=\"M325.477 101.51l-11.132 16.084-1.86-1.118L323.96 100.2z\"\/><path fill-opacity=\".06\" fill=\"var(--member-color, var(--theme-color))\" d=\"M363.904 94.28l-1.494 1.24 8.566 10.255 1.487-1.383z\"\/><path fill-opacity=\".06\" 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title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe25\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe25\" \/><\/div>\n                <div class=\"wpcom-premium-download-content\">\n                        <h3 class=\"wpcom-premium-download-title\">Modbus\u534f\u8bae\u5728TCP\uff0fIP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357<\/h3>\n            <div class=\"vip-price-notice premium-download-vip-price\"><div class=\"vip-price-item\" vip-index=\"0\" vip-id=\"vip1\"><img decoding=\"async\" class=\"vip-flag-icon j-lazy no-lightbox\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/08\/20230818114436591.svg\" loading=\"lazy\" title=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe26\" alt=\"Modbus\u534f\u8bae\u5728TCP\/IP\u4e0a\u7684\u5b9e\u73b0\u6307\u5357\u63d2\u56fe26\" \/>\u661f\u8000\u4f1a\u5458<span class=\"vip-price\">\u514d\u8d39<\/span><\/div><div class=\"vip-price-item\" 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<\/div>\n<\/div><\/div><span id=\"magicpostMarker\"><\/span>","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 \u8303\u56f4 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