{"id":10742,"date":"2022-09-07T20:38:47","date_gmt":"2022-09-07T12:38:47","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=10742"},"modified":"2022-09-07T20:39:31","modified_gmt":"2022-09-07T12:39:31","slug":"modbus-rs485-bu-xian-de-7-tiao-zhun-ze","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/10742.html","title":{"rendered":"MODBUS-RS485\u5e03\u7ebf\u76847\u6761\u51c6\u5219"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Modbus RS485\u7684\u5e03\u7ebf\u5c5e\u4e8e\u5f31\u7535\u64cd\u4f5c\uff0c\u4e0d\u540c\u4e8e\u7535\u529b\u5e03\u7ebf\uff0c\u5982\u679c\u7535\u5de5\u4e0d\u662f\u73b0\u573a\u603b\u7ebf\u7f51\u7edc\u4e13\u5bb6\uff0c\u6700\u7ec8\u901a\u4fe1\u7f51\u7edc\u53ef\u80fd\u65e0\u6cd5\u6b63\u5e38\u4f7f\u7528\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"3c3d3a\" data-has-transparency=\"false\" style=\"--dominant-color: #3c3d3a;\" decoding=\"async\" sizes=\"(max-width: 950px) 100vw, 950px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/1662554198-image-950x570.png\"  class=\"wp-image-10743 not-transparent\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001\u6b63\u786e\u7684\u7aef\u5b50\u63a5\u7ebf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u4e2aModbus\u8bbe\u5907\u81f3\u5c11\u63d0\u4f9b\u4e00\u8def\u901a\u4fe1\u53e3\uff0c\u4e24\u4e2a\u8fde\u63a5\u7aef\u5b50\u3002\u4e3a\u4e86\u65b9\u4fbf\u8d77\u89c1\uff0c\u5c06\u5176\u6307\u793a\u4e3aA\u548cB\u3002\u5728\u8fd9\u4e24\u4e2a\u7aef\u5b50\u4e2d\uff0c\u8fde\u63a5\u901a\u4fe1\u7535\u7f06\uff0c\u4ee5\u4fbf\u6240\u6709\u53c2\u4e0e\u901a\u4fe1\u7684\u8bbe\u5907\u5e76\u8054\u8fde\u63a5\u3002\u6240\u6709\u201cA\u201d\u7aef\u5b50\u5fc5\u987b\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u6240\u6709\u201cB\u201d\u7aef\u5b50\u5fc5\u987b\u5206\u522b\u8fde\u63a5\u5728\u4e00\u8d77\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><\/strong><em><strong>\u6ce8\u610f\uff1a<\/strong>\u5982\u679c\u51fa\u73b0AB\u7aef\u5b50\u63a5\u53cd\uff0c\u4e0d\u4ec5\u5f71\u54cd\u5355\u4e2a\u8bbe\u5907\uff0c\u800c\u53ef\u80fd\u5bfc\u81f4\u6574\u4e2a\u83ca\u82b1\u94fe\u7f51\u7edc\u901a\u4fe1\u5f02\u5e38\u3002<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em><strong>\u5efa\u8bae\uff1a<\/strong>\u73b0\u573a\u5e03\u7ebf\u65bd\u5de5\u4e2d\u533a\u5206AB\u7aef\u5b50\u4e0a\u7684\u7ebf\u7f06\u989c\u8272\uff0c\u4f8b\u5982A\u7aef\u5b50\u7edf\u4e00\u4f7f\u7528\u767d\u8272\u901a\u4fe1\u7ebf\uff0cB\u7aef\u5b50\u7edf\u4e00\u4f7f\u7528\u84dd\u8272\u901a\u4fe1\u7ebf\u3002<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u4e2a\u7aef\u5b50\u4e2d\u5141\u8bb8\u540c\u65f6\u63d2\u5165\u8fdb\u7ebf\u548c\u51fa\u7ebf\uff0c\u53ef\u4ee5\u5c06\u4e3b\u5165\u53e3\u548c\u51fa\u53e3\u7aef\u5b50\u76f4\u63a5\u8fde\u63a5\u5230\u4eea\u8868\u7684\u7aef\u5b50\u4e0a\uff0c\u800c\u65e0\u9700\u521b\u5efa\u5206\u652f\u3002\u5982\u679c\u6bcf\u4e2a\u7aef\u5b50\u53ea\u80fd\u63d2\u5165\u4e00\u6839\u7535\u7f06\uff0c\u5219\u5fc5\u987b\u4f7f\u7528\u4e09\u901a\u63a5\u7ebf\u7aef\u5b50\u4e3a\u6bcf\u4e2a\u8981\u8fde\u63a5\u7684\u4eea\u8868\u521b\u5efa\u9002\u5f53\u7684\u5206\u652f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"d2d0d1\" data-has-transparency=\"false\" style=\"--dominant-color: #d2d0d1;\" decoding=\"async\" sizes=\"(max-width: 841px) 100vw, 841px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/1662554211-image.png\"  class=\"wp-image-10744 not-transparent\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3001\u6b63\u786e\u7684\u8bbe\u5907\u95f4\u5e03\u7ebf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Modbus RS485\u91c7\u7528\u83ca\u82b1\u94fe\u603b\u7ebf\u65b9\u5f0f\u8fde\u63a5\uff0c\u533a\u522b\u4e8e\u5f3a\u7535\u5e76\u8054\u7535\u8def\uff0c\u901a\u4fe1\u7ebf\u7684\u5e76\u8054\u65b9\u5f0f\u5b58\u5728\u8bf8\u591a\u8981\u6c42\u3002Modbus RS485\u603b\u7ebf\u63d0\u4f9b\u4e00\u6761\u4e3b\u7535\u7f06\uff08\u4e3b\u5e72\uff09\uff0c\u6240\u6709\u8bbe\u5907\u90fd\u5fc5\u987b\u901a\u8fc7\u5206\u652f\u7ebf\u8def\u4e0e\u4e3b\u7535\u7f06\u8fde\u63a5\uff0c\u5e76\u4e14\u5c3d\u53ef\u80fd\u77ed\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em><strong>\u6ce8\u610f\uff1a<\/strong>\u5206\u652f\u7ebf\u8def\u957f\u5ea6\u4e0d\u5f97\u8d85\u8fc71200\u7c73\uff0c\u8fc7\u957f\u7684\u5206\u652f\u7ebf\u8def\u5c06\u4ea7\u751f\u4fe1\u53f7\u53cd\u5c04\u548c\u5e72\u6270\uff0c\u5bfc\u81f4\u901a\u4fe1\u6570\u636e\u65e0\u6cd5\u6b63\u5e38\u6536\u53d1\u3002<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"ecefe8\" data-has-transparency=\"false\" style=\"--dominant-color: #ecefe8;\" decoding=\"async\" sizes=\"(max-width: 651px) 100vw, 651px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/1662554223-image.png\"  class=\"wp-image-10745 not-transparent\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u9519\u8bef\u7684\u603b\u7ebf\u5e03\u7ebf\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"e7ede0\" data-has-transparency=\"false\" style=\"--dominant-color: #e7ede0;\" decoding=\"async\" sizes=\"(max-width: 621px) 100vw, 621px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/1662554235-image.png\"  class=\"wp-image-10746 not-transparent\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">3\u3001\u6700\u5927\u901a\u4fe1\u8ddd\u79bb\u548c\u6700\u5927\u8bbe\u5907\u6570<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bbe\u8ba1\u65bd\u5de5\u4e2d\u7684\u4e3b\u7535\u7f06\u957f\u5ea6\u5efa\u8bae\u4e0d\u5f97\u8d85\u8fc7700\u7c73\uff0c\u5176\u4e2d\u4e0d\u5305\u542b\u5206\u652f\u7ebf\u8def\u7684\u957f\u5ea6\u3002\u4e0d\u540c\u7684\u901a\u4fe1\u6ce2\u7279\u7387\u4e0b\uff0c\u4e3b\u7535\u7f06\u7684\u957f\u5ea6\u9650\u5236\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u6ce2\u7279\u7387(bps)<\/strong><\/td><td><strong>\u6709\u6548\u901a\u4fe1\u8ddd\u79bb(\u7c73)<\/strong><\/td><\/tr><tr><td><strong>150 &#8211; 9600<\/strong><\/td><td>1220<\/td><\/tr><tr><td><strong>19200<\/strong><\/td><td>975<\/td><\/tr><tr><td><strong>38400<\/strong><\/td><td>914<\/td><\/tr><tr><td><strong>57600<\/strong><\/td><td>701<\/td><\/tr><tr><td><strong>115200<\/strong><\/td><td>488<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Ps:<\/em><\/strong><strong><\/strong><em>\u57fa\u4e8e24 AWG\u53cc\u7ede\u7ebf\u5c4f\u853d\u7ebf\uff0c0.085\u6b27\u59c6\/\u7c73\uff0c\u5bfc\u7ebf\u4e4b\u95f441pF\/\u7c73\uff0c\u5bfc\u7ebf\u5230\u5c4f\u853d\u5c4272pF\/\u7c73\u3002<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bbe\u8ba1\u65bd\u5de5\u4e2d\u8fde\u63a5\u5230\u4e3b\u7535\u7f06\u7684\u8bbe\u5907\u603b\u6570\u5efa\u8bae\u4e0d\u8d85\u8fc732\u4e2a\uff0c\u5176\u4e2d\u5305\u542b\u4e3b\u673a\u8282\u70b9\u3002\u603b\u7ebf\u4e2d\u6700\u5927\u8d1f\u8f7d\u8bbe\u5907\u6570\u4e3b\u8981\u4f9d\u8d56\u4e8eRS485\u8f6c\u6362\u5668\u7684\u82af\u7247\u7c7b\u578b\uff0c\u5e76\u548c\u6240\u7528\u7684\u901a\u4fe1\u7535\u7f06\u54c1\u8d28\u76f8\u5173\u3002\u8bbe\u5907\u8282\u70b9\u8d8a\u591a\u3001\u4f20\u8f93\u8ddd\u79bb\u8d8a\u8fdc\u3001\u7535\u78c1\u73af\u5883\u8d8a\u6076\u52a3\uff0c\u800c\u5bf9\u6240\u9009\u7684\u7535\u7f06\u8981\u6c42\u5c31\u8d8a\u9ad8\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RS485\u901a\u8baf\u4e2d\u4e00\u4e2a\u4e32\u53e3\u53ef\u4ee5\u63a7\u5236\u591a\u5c11\u4e2a\u8bbe\u5907\u7684\u95ee\u9898\u662f\u4e0e\u8be5RS485\u7f51\u7edc\u4e2d\u7684\u7535\u6c14\u7279\u6027\u548c\u534f\u8bae\u7279\u6027\u6240\u51b3\u5b9a\u7684\u3002\u6240\u8c13\u7535\u6c14\u7279\u6027\u5c31\u662f\u6307\u7684\u662f\u8981\u4fdd\u8bc1RS485\u7f51\u7edc\u4e2d\u7684\u7279\u5f81\u963b\u6297\u5728\u5141\u8bb8\u7684\u8303\u56f4\u5185\uff08120\u6b27\u59c6\uff09\u3002\u8fde\u63a5\u7684\u8bbe\u5907\u8d8a\u591a\uff0c\u7279\u5f81\u963b\u6297\u8d8a\u5c0f\u3002\u603b\u7ebf\u4e0a\u8bbe\u5907\u8282\u70b9\u8f83\u591a\u65f6\uff0c\u5e94\u5728\u603b\u7ebf\u672b\u7aef\u589e\u52a0120\u6b27\u59c6\u7684\u7ec8\u7aef\u7535\u963b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4\u3001\u6b63\u786e\u7684\u4f7f\u7528\u4e2d\u7ee7\u5668<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u6570\u636e\u4f20\u8f93\u7684\u6709\u6548\u8ddd\u79bb\u8981\u6c42\u8d85\u8fc7\u8bbe\u8ba1\u8981\u6c42\uff0c\u6216\u8bbe\u5907\u4e2a\u6570\u8f83\u591a\u65f6\uff0c\u4e3a\u907f\u514d\u8fc7\u5ea6\u7684\u4fe1\u53f7\u8870\u51cf\uff0c\u53ef\u4ee5\u589e\u52a0\u4fe1\u53f7\u4e2d\u7ee7\u5668\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"ebebec\" data-has-transparency=\"false\" style=\"--dominant-color: #ebebec;\" decoding=\"async\" sizes=\"(max-width: 950px) 100vw, 950px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/1662554253-image-950x411.png\"  class=\"wp-image-10747 not-transparent\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u4e2a\u4e2d\u7ee7\u5668\u5c06\u76f8\u90bb\u7684\u4e24\u4e2a\u4e3b\u7535\u7f06\u4e32\u8054\uff0c\u540c\u4e00\u603b\u7ebf\u4e2d\u90e8\u7f72\u7684\u4e2d\u7ee7\u5668\u5efa\u8bae\u4e0d\u8981\u8d85\u8fc73\u4e2a\uff0c\u5426\u5219\u5c06\u4ea7\u751f\u663e\u8457\u7684\u6570\u636e\u4f20\u8f93\u5ef6\u65f6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5\u3001\u901a\u4fe1\u7535\u7f06\u9009\u578b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Modbus RS485\u5e94\u4f7f\u7528\u5e26\u5c4f\u853d\u53cc\u7ede\u7ebf\u3002\u5bfc\u7ebf\u7531\u4e24\u6839\u7ede\u5408\u5728\u4e00\u8d77\u7684\u5bfc\u7ebf\u7ec4\u6210\uff0c\u5c4f\u853d\u5c42\u53ef\u4ee5\u662f\u7f16\u7ec7\u7684\u91d1\u5c5e\u7f51\u6216\u5305\u88f9\u7b94\u7247\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"efefef\" data-has-transparency=\"false\" style=\"--dominant-color: #efefef;\" decoding=\"async\" sizes=\"(max-width: 518px) 100vw, 518px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/1662554264-image.png\"  class=\"wp-image-10748 not-transparent\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">6\u3001\u5c4f\u853d\u5c42\u63a5\u5730<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7535\u7f06\u5c4f\u853d\u5c42\u5fc5\u987b\u6709\u5355\u70b9\u63a5\u5730\uff0c\u63a5\u5730\u70b9\u53ef\u5728\u4e3b\u7535\u7f06\u7684\u4e00\u7aef\u5b8c\u6210\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"dadada\" data-has-transparency=\"false\" style=\"--dominant-color: #dadada;\" decoding=\"async\" sizes=\"(max-width: 760px) 100vw, 760px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/1662554277-image.png\"  class=\"wp-image-10749 not-transparent\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">7\u3001\u8bbe\u7f6e\u5339\u914d\u7535\u963b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u901a\u4fe1\u8ddd\u79bb\u8f83\u957f\uff0c\u8bbe\u5907\u8282\u70b9\u8f83\u591a\u65f6\uff0c\u4e3a\u907f\u514d\u4fe1\u53f7\u53cd\u5c04\uff0c\u5fc5\u987b\u5728\u4e3b\u7535\u7f06\u7684\u672b\u7aef\u5b89\u88c5120\u6b27\u59c6\u5339\u914d\u7535\u963b\u3002\u8be5\u8981\u6c42\u975e\u5fc5\u987b\uff0c\u4e3b\u8981\u89c6\u73b0\u573a\u5e03\u7ebf\u540e\u7684\u901a\u4fe1\u60c5\u51b5\u800c\u5b9a\uff0c\u6240\u4ee5\u5728\u5e03\u7ebf\u8fc7\u7a0b\u4e2d\u5e94\u9884\u7559\u5339\u914d\u7535\u963b\u5b89\u88c5\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"e5e2e2\" data-has-transparency=\"false\" style=\"--dominant-color: #e5e2e2;\" decoding=\"async\" sizes=\"(max-width: 743px) 100vw, 743px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/1662554288-image.png\"  class=\"wp-image-10750 not-transparent\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6587\u7ae0\u8f6c\u81ea\uff1ahttps:\/\/mp.weixin.qq.com\/s\/HWS82XC5jolMOTDAdFmV1w<\/p>\n<span id=\"magicpostMarker\"><\/span>","protected":false},"excerpt":{"rendered":"<p>Modbus RS485\u7684\u5e03\u7ebf\u5c5e\u4e8e\u5f31\u7535\u64cd\u4f5c\uff0c\u4e0d\u540c\u4e8e\u7535\u529b\u5e03\u7ebf\uff0c&#8230;<\/p>","protected":false},"author":1,"featured_media":10743,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[270],"tags":[1188,1189,1187,1190,1136,281],"class_list":["post-10742","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-modbus-knowledge-base","tag-1188","tag-1189","tag-1187","tag-1190","tag-1136","tag-281"],"_links":{"self":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/10742","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/comments?post=10742"}],"version-history":[{"count":0,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/10742\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media\/10743"}],"wp:attachment":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media?parent=10742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/categories?post=10742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/tags?post=10742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}