{"id":11138,"date":"2022-11-21T22:15:29","date_gmt":"2022-11-21T14:15:29","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=11138"},"modified":"2023-11-28T10:37:49","modified_gmt":"2023-11-28T02:37:49","slug":"modbus-xie-yi-jian-dan-jie-shao","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/11138.html","title":{"rendered":"Modbus\u534f\u8bae\u7b80\u5355\u4ecb\u7ecd"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Modbus\u662f\u4e00\u79cd\u5f00\u653e\u534f\u8bae\uff0c\u8fd9\u610f\u5473\u7740\u5236\u9020\u5546\u65e0\u9700\u652f\u4ed8\u7248\u7a0e\u5c31\u53ef\u4ee5\u514d\u8d39\u4f7f\u7528\u5b83\u3002\u5b83\u5df2\u6210\u4e3a\u5de5\u4e1a\u4e2d\u7684\u6807\u51c6\u901a\u4fe1\u534f\u8bae\uff0c\u5e76\u4e14\u73b0\u5728\u662f\u8fde\u63a5\u5de5\u4e1a\u7535\u5b50\u8bbe\u5907\u7684\u6700\u5e38\u7528\u65b9\u6cd5\u3002\u5b83\u88ab\u8bb8\u591a\u884c\u4e1a\u7684\u8bb8\u591a\u5236\u9020\u5546\u5e7f\u6cdb\u4f7f\u7528.Modbus\u901a\u5e38\u7528\u4e8e\u5c06\u6765\u81ea\u4eea\u8868\u548c\u63a7\u5236\u8bbe\u5907\u7684\u4fe1\u53f7\u4f20\u8f93\u56de\u4e3b\u63a7\u5236\u5668\u6216\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\uff0c\u4f8b\u5982\u6d4b\u91cf\u6e29\u5ea6\u548c\u6e7f\u5ea6\u5e76\u5c06\u7ed3\u679c\u4f20\u9001\u5230\u8ba1\u7b97\u673a\u7684\u7cfb\u7edf\u3002Modbus\u901a\u5e38\u7528\u4e8e\u5c06\u76d1\u63a7\u8ba1\u7b97\u673a\u4e0e\u8fdc\u7a0b\u7ec8\u7aef\u5355\u5143(RTU)\u8fde\u63a5\u5728\u76d1\u63a7\u548c\u6570\u636e\u91c7\u96c6(SCADA)\u7cfb\u7edf\u4e2d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000Modbus\u901a\u8fc7\u8bbe\u5907\u4e4b\u95f4\u7684\u4e32\u884c\u7ebf\u8def\u4f20\u8f93\u3002\u6700\u7b80\u5355\u7684\u8bbe\u7f6e\u662f\u8fde\u63a5\u4e24\u4e2a\u8bbe\u5907(\u4e3b\u8bbe\u5907\u548c\u4ece\u8bbe\u5907)\u4e0a\u7684\u4e32\u884c\u7aef\u53e3\u7684\u5355\u6839\u4e32\u884c\u7535\u7f06\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"dee3e2\" data-has-transparency=\"false\" style=\"--dominant-color: #dee3e2;\" decoding=\"async\" sizes=\"(max-width: 700px) 100vw, 700px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/10\/20231008221435259.png\"  class=\"wp-image-25256 not-transparent\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u6570\u636e\u4ee5\u4e00\u7cfb\u52171\u548c0\u7684\u5f62\u5f0f\u53d1\u9001\uff0c\u79f0\u4e3a\u4f4d\u3002\u6bcf\u4e2a\u4f4d\u90fd\u4f5c\u4e3a\u7535\u538b\u53d1\u9001\u3002\u96f6\u4f5c\u4e3a\u6b63\u7535\u538b\u53d1\u9001\uff0c\u800c\u4e00\u4e2a\u4f5c\u4e3a\u8d1f\u7535\u538b\u53d1\u9001\u3002\u8fd9\u4e9b\u4f4d\u5f88\u5feb\u53d1\u9001\u3002\u5178\u578b\u7684\u4f20\u8f93\u901f\u5ea6\u4e3a9600\u6ce2\u7279(\u6bcf\u79d2\u4f4d\u6570)\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000<strong>\u4ec0\u4e48\u662f\u5341\u516d\u8fdb\u5236?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u5728\u89e3\u51b3\u95ee\u9898\u65f6\uff0c\u67e5\u770b\u4f20\u8f93\u7684\u5b9e\u9645\u539f\u59cb\u6570\u636e\u4f1a\u5f88\u6709\u5e2e\u52a9\u3002\u957f\u4e32\u76841\u548c0\u5f88\u96be\u8bfb\u53d6\uff0c\u56e0\u6b64\u8fd9\u4e9b\u4f4d\u7ec4\u5408\u5728\u4e00\u8d77\u5e76\u4ee5\u5341\u516d\u8fdb\u5236\u663e\u793a\u3002\u6bcf\u4e2a4\u6bd4\u7279\u7684\u5757\u7531\u4ece0 \u5230F \u768416\u4e2a\u5b57\u7b26\u4e4b\u4e00\u8868\u793a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u6bcf\u4e2a8\u4f4d\u5757(\u79f0\u4e3a\u5b57\u8282)\u753100 \u5230FF \u7684256\u4e2a\u5b57\u7b26\u5bf9\u4e2d\u7684\u4e00\u4e2a\u8868\u793a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000<strong>\u6570\u636e\u5982\u4f55\u5b58\u50a8\u5728\u6807\u51c6Modbus\u4e2d?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u4fe1\u606f\u5b58\u50a8\u5728\u56db\u4e2a\u4e0d\u540c\u7684\u8868\u4e2d\u7684\u4ece\u8bbe\u5907\u4e2d\u3002\u4e24\u4e2a\u8868\u5b58\u50a8\/\u5173\u95ed\u79bb\u6563\u503c(\u7ebf\u5708)\u548c\u4e24\u4e2a\u5b58\u50a8\u6570\u503c(\u5bc4\u5b58\u5668)\u3002\u6bcf\u4e2a\u7ebf\u5708\u548c\u5bc4\u5b58\u5668\u90fd\u6709\u4e00\u4e2a\u53ea\u8bfb\u8868\u548c\u8bfb\u5199\u8868\u3002\u6bcf\u4e2a\u8868\u67099999\u4e2a\u503c\u3002\u6bcf\u4e2a\u7ebf\u5708\u6216\u89e6\u70b9\u4e3a1\u4f4d\uff0c\u5e76\u5206\u914d\u4e00\u4e2a\u4ecb\u4e8e0000 \u548c270E \u4e4b\u95f4\u7684\u6570\u636e\u5730\u5740\u3002\u6bcf\u4e2a\u5bc4\u5b58\u5668\u4e3a1\u5b57= 16\u4f4d= 2\u5b57\u8282\uff0c\u5e76\u4e14\u6570\u636e\u5730\u5740\u57280000 \u548c270E \u4e4b\u95f4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u7ebf\u5708\/\u5bc4\u5b58\u5668\u7f16\u53f7\u53ef\u4ee5\u88ab\u8ba4\u4e3a\u662f\u4f4d\u7f6e\u540d\u79f0\uff0c\u56e0\u4e3a\u5b83\u4eec\u4e0d\u4f1a\u51fa\u73b0\u5728\u5b9e\u9645\u6d88\u606f\u4e2d\u3002\u6570\u636e\u5730\u5740\u7528\u4e8e\u6d88\u606f\u4e2d\u3002\u4f8b\u5982\uff0c\u7b2c\u4e00\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668\uff0c\u7f16\u53f740001\uff0c\u5177\u6709\u6570\u636e\u5730\u57400000 \u3002\u8fd9\u4e24\u4e2a\u503c\u4e4b\u95f4\u7684\u5dee\u5f02\u662f\u504f\u79fb\u91cf\u3002\u6bcf\u4e2a\u8868\u90fd\u6709\u4e0d\u540c\u7684\u504f\u79fb\u91cf\u30021,10001,30001\u548c40001\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000<strong>\u4ec0\u4e48\u662f\u5974\u96b6\u8eab\u4efd\u8bc1?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u7f51\u7edc\u4e2d\u7684\u6bcf\u4e2a\u4ece\u7ad9\u90fd\u5206\u914d\u67091\u5230247\u7684\u552f\u4e00\u5355\u5143\u5730\u5740\u3002\u5f53\u4e3b\u7ad9\u8bf7\u6c42\u6570\u636e\u65f6\uff0c\u5b83\u53d1\u9001\u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u662f\u4ece\u7ad9\u5730\u5740\u3002\u8fd9\u6837\uff0c\u6bcf\u4e2a\u4ece\u8bbe\u5907\u5728\u7b2c\u4e00\u4e2a\u5b57\u8282\u4e4b\u540e\u77e5\u9053\u662f\u5426\u5ffd\u7565\u8be5\u6d88\u606f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000<strong>\u4ec0\u4e48\u662f\u529f\u80fd\u4ee3\u7801?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u4e3b\u673a\u53d1\u9001\u7684\u7b2c\u4e8c\u4e2a\u5b57\u8282\u662f\u529f\u80fd\u4ee3\u7801\u3002\u6b64\u6570\u5b57\u544a\u8bc9\u4ece\u7ad9\u8981\u8bbf\u95ee\u54ea\u4e2a\u8868\u4ee5\u53ca\u662f\u4ece\u8868\u4e2d\u8bfb\u53d6\u8fd8\u662f\u5199\u5165\u8868\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000<strong>\u4ec0\u4e48\u662fCRC?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000CRC\u4ee3\u8868\u5faa\u73af\u5197\u4f59\u6821\u9a8c\u3002\u5b83\u662f\u5728\u6bcf\u4e2amodbus\u6d88\u606f\u7684\u672b\u5c3e\u6dfb\u52a0\u4e24\u4e2a\u5b57\u8282\u4ee5\u8fdb\u884c\u9519\u8bef\u68c0\u6d4b\u3002\u6d88\u606f\u4e2d\u7684\u6bcf\u4e2a\u5b57\u8282\u7528\u4e8e\u8ba1\u7b97CRC\u3002\u63a5\u6536\u8bbe\u5907\u8fd8\u8ba1\u7b97CRC\u5e76\u5c06\u5176\u4e0e\u6765\u81ea\u53d1\u9001\u8bbe\u5907\u7684CRC\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u679c\u9519\u8bef\u5730\u63a5\u6536\u5230\u6d88\u606f\u4e2d\u7684\u4e00\u4f4d\uff0c\u5219CRC\u5c06\u4e0d\u540c\u5e76\u4e14\u5c06\u5bfc\u81f4\u9519\u8bef\u3002\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000<strong>\u4ec0\u4e48\u662f\u6570\u636e\u7c7b\u578b?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u5bf9\u4e8e\u793a\u4f8bFC03 \u8868\u660e\uff0c\u5bc4\u5b58\u566840108\u5305\u542bAE41 \uff0c\u5176\u8f6c\u6362\u4e3a16\u4f4d1010 1110 0100 0001 \u5927!\u4f46\u662f\u8fd9\u662f\u4ec0\u4e48\u610f\u601d?\u55ef\uff0c\u8fd9\u53ef\u80fd\u610f\u5473\u7740\u4e00\u4e9b\u4e8b\u60c5\u3002\u5bc4\u5b58\u566840108\u53ef\u4ee5\u5b9a\u4e49\u4e3a\u8fd9\u4e9b16\u4f4d\u6570\u636e\u7c7b\u578b\u4e2d\u7684\u4efb\u4f55\u4e00\u79cd\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u753216\u4f4d\u65e0\u7b26\u53f7\u6574\u6570(0\u523065535\u4e4b\u95f4\u7684\u6574\u6570)\u5bc4\u5b58\u566840108\u5305\u542bAE41 = 44609(\u5341\u516d\u8fdb\u5236\u5230\u5341\u8fdb\u5236\u7684\u8f6c\u6362)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u753216\u4f4d\u5e26\u7b26\u53f7\u6574\u6570(-32768\u523032767\u4e4b\u95f4\u7684\u6574\u6570)AE41 = -20,927 (\u5341\u516d\u8fdb\u5236\u5230\u4e00\u4e2a\u5305\u88c5\uff0c\u5982\u679c\u5176\u8d85\u8fc732767\u7136\u540e\u51cf\u53bb65536\u5341\u8fdb\u5236\u7684\u8f6c\u6362)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u7532\u4e24\u79cd\u5b57\u7b26\u7684ASCII\u5b57\u7b26\u4e32(2\u952e\u5165\u7684\u5b57\u6bcd)AE41 =\u00ae\u7532<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u7532\u5f00\/\u5173\u503c\u7684\u79bb\u6563(\u5728\u6b64\u5de5\u4f5c\u65b9\u5f0f\u76f8\u540c\u768416\u4f4d\u6574\u65700\u62161\u7684\u503c\u7684\u5341\u516d\u8fdb\u5236\u6570\u636e\u5c06\u662f0000 \u62160001 )\u6ce8\u518c40108\u4e5f\u53ef\u4e0e\u7ed3\u5408<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u300040109\u5f62\u6210\u4efb\u4f55\u8fd9\u4e9b32\u4f4d\u6570\u636e\u7684\u7c7b\u578b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u753232\u4f4d\u65e0\u7b26\u53f7\u6574\u6570(0\u548c4294967295\u4e4b\u95f4\u7684\u6570\u5b57)40108,40109 = AE41 5652 = 2923517522<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u4e00\u4e2a32\u4f4d\u6709\u7b26\u53f7\u6574\u6570(-2,147,483,648\u548c2,147,483,647\u4e4b\u95f4\u7684\u6570\u5b57)AE41 5652 = -1,371,449,774<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u753232\u4f4d\u53cc\u7cbe\u5ea6IEEE\u6d6e\u70b9\u6570\u3002\u8fd9\u662f\u4e00\u4e2a\u6570\u5b66\u516c\u5f0f\uff0c\u5141\u8bb8\u4efb\u4f55\u5b9e\u6570(\u5e26\u5c0f\u6570\u70b9\u7684\u6570\u5b57)\u752832\u4f4d\u8868\u793a\uff0c\u7cbe\u5ea6\u7ea6\u4e3a7\u4f4d\u6570\u3002AE41 5652 = -4.395978 E-11 \u8fd9\u662f\u4e00\u4e2a\u7535\u5b50\u8868\u683cIEEE\u6d6e\u70b9\u8ba1\u7b97\u5668\uff0c\u7528\u4e8e\u8f93\u51654\u4e2a\u5b57\u8282\u62162\u4e2a\u5b57\u3002\u8981\u4e0b\u8f7d\u526f\u672c\uff0c\u8bf7\u53f3\u952e\u5355\u51fb\u5e76\u9009\u62e9\u76ee\u6807\u53e6\u5b58\u4e3a&#8230;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u7532\u56db\u4e2a\u5b57\u7b26\u7684ASCII\u5b57\u7b26\u4e32(4\u952e\u5165\u7684\u5b57\u6bcd)AE41 5652 =\u00aeAVR \u66f4\u591a\u5bc4\u5b58\u5668\u53ef\u4ee5\u88ab\u7ec4\u5408\u4ee5\u5f62\u6210\u66f4\u957f\u7684ASCII\u5b57\u7b26\u4e32\u3002\u6bcf\u4e2a\u5bc4\u5b58\u5668\u7528\u4e8e\u5b58\u50a8\u4e24\u4e2aASCII\u5b57\u7b26(\u4e24\u4e2a\u5b57\u8282)\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000<strong>\u4ec0\u4e48\u662f\u5b57\u8282\u548c\u5b57\u6392\u5e8f?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000Modbus\u89c4\u8303\u6ca1\u6709\u51c6\u786e\u5b9a\u4e49\u6570\u636e\u5982\u4f55\u5b58\u50a8\u5728\u5bc4\u5b58\u5668\u4e2d\u3002\u56e0\u6b64\uff0c\u4e00\u4e9b\u5236\u9020\u5546\u5728\u4ed6\u4eec\u7684\u8bbe\u5907\u4e2d\u5b9e\u73b0\u4e86modbus\uff0c\u9996\u5148\u5b58\u50a8\u548c\u4f20\u8f93\u9ad8\u5b57\u8282\uff0c\u7136\u540e\u662f\u4f4e\u5b57\u8282\u3002(41 \u4e4b\u524d\u7684AE )\u3002\u6216\u8005\uff0c\u5176\u4ed6\u4eba\u9996\u5148\u5b58\u50a8\u548c\u53d1\u9001\u4f4e\u4f4d\u5b57\u8282(AE \u4e4b\u524d\u768441 )\u3002\u7c7b\u4f3c\u5730\uff0c\u5f53\u5bc4\u5b58\u5668\u7ec4\u5408\u8d77\u6765\u8868\u793a32\u4f4d\u6570\u636e\u7c7b\u578b\u65f6\uff0c\u67d0\u4e9b\u5668\u4ef6\u5c06\u9ad816\u4f4d(\u9ad8\u5b57)\u5b58\u50a8\u5728\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u4e2d\uff0c\u5269\u4f59\u7684\u4f4e\u5b57\u5b58\u50a8\u5728\u7b2c\u4e8c\u4e2a\u5bc4\u5b58\u5668\u4e2d(AE41 \u57285652 \u4e4b\u524d)\uff0c\u800c\u5176\u4ed6\u5668\u4ef6\u5219\u76f8\u53cd(5652 \u4e4b\u524d)AE41 )\u53ea\u8981\u63a5\u6536\u8bbe\u5907\u77e5\u9053\u671f\u671b\u5b83\u7684\u65b9\u5f0f\uff0c\u53d1\u9001\u5b57\u8282\u6216\u5b57\u7684\u987a\u5e8f\u65e0\u5173\u7d27\u8981\u3002\u4f8b\u5982\uff0c\u5982\u679c\u8981\u5c06\u6570\u5b5729,235,175,522\u4f5c\u4e3a32\u4f4d\u65e0\u7b26\u53f7\u6574\u6570\u53d1\u9001\uff0c\u5219\u53ef\u4ee5\u6309\u8fd9\u56db\u79cd\u65b9\u5f0f\u4e2d\u7684\u4efb\u4f55\u4e00\u79cd\u8fdb\u884c\u6392\u5217\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000AE41 5652 \u9ad8\u5b57\u8282\u7b2c\u4e00\u9ad8\u5b57\u9996\u5148<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u30005652 AE41 \u9ad8\u5b57\u8282\u7b2c\u4e00\u4f4e\u5b57\u9996\u5148<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u9996\u5148\u662f41AE 5256 \u4f4e\u5b57\u8282\u7b2c\u4e00\u4e2a\u9ad8\u5b57<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u30005256 41AE \u4f4e\u5b57\u8282\u7b2c\u4e00\u4e2a\u4f4e\u5b57\u9996\u5148<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000<strong>\u4ec0\u4e48\u662fModbus\u5730\u56fe?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000modbus\u6620\u5c04\u53ea\u662f\u4e00\u4e2a\u5355\u72ec\u7684\u4ece\u8bbe\u5907\u5217\u8868\uff0c\u5b83\u5b9a\u4e49\u4e86- \u6570\u636e\u662f\u4ec0\u4e48(\u4f8b\u5982\u538b\u529b\u6216\u6e29\u5ea6\u8bfb\u6570)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b58\u50a8\u6570\u636e\u7684\u4f4d\u7f6e(\u54ea\u4e9b\u8868\u548c\u6570\u636e\u5730\u5740)<\/li>\n\n\n\n<li>\u6570\u636e\u7684\u5b58\u50a8\u65b9\u5f0f(\u6570\u636e\u7c7b\u578b\uff0c\u5b57\u8282\u548c\u5b57\u6392\u5e8f)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u67d0\u4e9b\u8bbe\u5907\u4f7f\u7528\u7531\u5236\u9020\u5546\u5b9a\u4e49\u7684\u56fa\u5b9a\u6620\u5c04\u6784\u5efa\u3002\u800c\u5176\u4ed6\u8bbe\u5907\u5141\u8bb8\u64cd\u4f5c\u5458\u914d\u7f6e\u6216\u7f16\u7a0b\u81ea\u5b9a\u4e49\u5730\u56fe\u4ee5\u6ee1\u8db3\u4ed6\u4eec\u7684\u9700\u8981\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000<strong>Modbus ASCII\u548cModbus RTU\u6709\u4ec0\u4e48\u533a\u522b?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000Modbus RTU\u548cModbus 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class=\"wp-block-paragraph\">\u3000\u3000\u603b\u7ed3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528RTU\u662f\u53ef\u80fd\u7684<\/li>\n\n\n\n<li>\u5982\u679cRTU\u5728WinNT\u4e0a\u51fa\u73b0\u8d85\u65f6\u95ee\u9898\u6216\u8005\u4f7f\u7528300 bps\u6216\u62e8\u53f7\u8c03\u5236\u89e3\u8c03\u5668\u7b49\u6162\u901f\u901a\u4fe1\u5a92\u4f53\u65f6\u4f7f\u7528ASCII\uff0c\u5927\u591a\u6570\u7528\u4e8eModbus\u7684OPC\u670d\u52a1\u5668\u90fd\u652f\u6301ASCII\u548cRTU\u901a\u4fe1\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000<strong>\u4ec0\u4e48\u662f\u6269\u5c55\u5bc4\u5b58\u5668\u5730\u5740?<\/strong><\/p>\n\n\n\n<p 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