{"id":25254,"date":"2023-10-08T22:15:31","date_gmt":"2023-10-08T14:15:31","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=25254"},"modified":"2026-07-01T00:12:19","modified_gmt":"2026-06-30T16:12:19","slug":"shen-ru-jie-xi-modbus-rtu-ming-ling-yu-ying-da-ji-zhi","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/25254.html","title":{"rendered":"\u6df1\u5165\u89e3\u6790Modbus RTU\u547d\u4ee4\u4e0e\u5e94\u7b54\u673a\u5236"},"content":{"rendered":"<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"8a987b\" data-has-transparency=\"true\" style=\"--dominant-color: #8a987b;\" decoding=\"async\" sizes=\"(max-width: 648px) 100vw, 648px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/10\/20231008221411990.png\"  class=\"wp-image-25255 has-transparency\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Modbus RTU\u534f\u8bae\u63cf\u8ff0<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Modbus\u662f\u57fa\u4e8e\u4e3b\u4ece\u7ed3\u6784\u7684\u901a\u4fe1\u534f\u8bae\u3002\u5b83\u4f7f\u7528RS-485, RS-422, RS-232\u63a5\u53e3\uff0c\u4ee5\u53caEthernet TCP\/IP\u7f51\u7edc\uff08Modbus TCP\u534f\u8bae\uff09\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Modbus RTU\u6d88\u606f\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SlaveID\u8bbe\u5907\u7684\u5730\u5740<\/li>\n\n\n\n<li>Function Code<\/li>\n\n\n\n<li>\u4f9d\u8d56\u4e8e\u529f\u80fd\u7801\u7684\u7279\u6b8a\u6570\u636e<\/li>\n\n\n\n<li>CRC-16(Modbus)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:&quot;language&quot;,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;htmlmixed&quot;,&quot;mime&quot;:&quot;text\/html&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;&quot;,&quot;TrpContentRestriction&quot;:{&quot;restriction_type&quot;:&quot;exclude&quot;,&quot;selected_languages&quot;:[],&quot;panel_open&quot;:true},&quot;language&quot;:&quot;HTML&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;html&quot;}\">SlaveID    \u529f\u80fd\u7801 \u7279\u6b8a\u6570\u636e    CRC16<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u53bb\u6389SlaveID\u5730\u5740\u548cCRC-16(Modbus)\uff0c\u4f60\u5c06\u5f97\u5230PDU\uff08\u534f\u8bae\u6570\u636e\u5355\u5143\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SlaveID\u662f\u8bbe\u5907\u7684\u5730\u5740\uff0c\u53ef\u4ee5\u4ece0\u5230247\u4e4b\u95f4\u9009\u62e9\u503c\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u4ece248\u5230255\u7684\u5730\u5740\u662f\u4fdd\u7559\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a21\u5757\u4e2d\u7684\u6570\u636e\u5b58\u50a8\u5728\u56db\u4e2a\u8868\u4e2d\uff0c\u5176\u4e2d\u4e24\u4e2a\u662f\u53ea\u8bfb\u7684\uff0c\u53e6\u5916\u4e24\u4e2a\u662f\u8bfb\u5199\u7684\u3002\u6bcf\u4e2a\u8868\u53ef\u4ee5\u5bb9\u7eb39999\u4e2a\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u662f\u8868\u7684\u603b\u7ed3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u79bb\u6563\u8f93\u51fa\u7ebf\u5708 (DO)<\/strong>\uff1a\u8bfb\u5199\uff1b\u5bc4\u5b58\u5668\u53f71-9999\uff1bHEX\u5730\u5740\u8303\u56f40000\u5230270E<\/li>\n\n\n\n<li><strong>\u79bb\u6563\u8f93\u5165\u89e6\u70b9 (DI)<\/strong>\uff1a\u53ea\u8bfb\uff1b\u5bc4\u5b58\u5668\u53f710001-19999\uff1bHEX\u5730\u5740\u8303\u56f40000\u5230270E<\/li>\n\n\n\n<li><strong>\u6a21\u62df\u8f93\u5165\u5bc4\u5b58\u5668 (AI)<\/strong>\uff1a\u53ea\u8bfb\uff1b\u5bc4\u5b58\u5668\u53f730001-39999\uff1bHEX\u5730\u5740\u8303\u56f40000\u5230270E<\/li>\n\n\n\n<li><strong>\u6a21\u62df\u8f93\u51fa\u4fdd\u6301\u5bc4\u5b58\u5668 (AO)<\/strong>\uff1a\u8bfb\u5199\uff1b\u5bc4\u5b58\u5668\u53f740001-49999\uff1bHEX\u5730\u5740\u8303\u56f40000\u5230270E<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u4e2a\u8868\u90fd\u6709\u4e00\u4e2a\u5bc4\u5b58\u5668\u53f7\uff08\u4f8b\u5982AO\u768440001\uff09\uff0c\u5b83\u5bf9\u5e94\u4e8e\u4e00\u4e2a\u5730\u5740\uff08\u4f8b\u59820000\uff09\u3002\u8fd9\u79cd\u5dee\u5f02\u88ab\u79f0\u4e3a&#8221;\u504f\u79fb&#8221;\u3002\u8868\u7684\u504f\u79fb\u91cf\u5206\u522b\u4e3a1, 10001, 30001\u548c40001\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e00\u4e2a\u4f8b\u5b50\u8bf4\u660e\uff1a\u4ece40108\u523040110\u5bc4\u5b58\u5668\u4e3a\u8bbe\u5907\u5730\u574017\u83b7\u53d6AI\u503c\u7684Modbus RTU\u8bf7\u6c42\u5982\u4e0b\uff1a<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:&quot;language&quot;,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;htmlmixed&quot;,&quot;mime&quot;:&quot;text\/html&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;&quot;,&quot;TrpContentRestriction&quot;:{&quot;restriction_type&quot;:&quot;exclude&quot;,&quot;selected_languages&quot;:[],&quot;panel_open&quot;:true},&quot;language&quot;:&quot;HTML&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;html&quot;}\">11 03 006B 0003 7687<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u5206\u89e3\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>11<\/code>\uff1aSlaveID\u8bbe\u5907\u5730\u5740\uff08\u5341\u8fdb\u5236\u4e2d\u768417\u6216HEX\u4e2d\u768411\uff09<\/li>\n\n\n\n<li><code>03<\/code>\uff1a\u529f\u80fd\u7801<\/li>\n\n\n\n<li><code>006B<\/code>\uff1a\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u7684\u5730\u5740\uff08\u8ba1\u7b97\u4e3a40108-40001 = 107\uff0c\u8fd9\u662fHEX\u4e2d\u76846B\uff09<\/li>\n\n\n\n<li><code>0003<\/code>\uff1a\u6240\u9700\u7684\u5bc4\u5b58\u5668\u6570\u91cf\uff08\u4ece40108\u523040110\u83b7\u53d6\u4e09\u4e2a\u5bc4\u5b58\u5668\uff09<\/li>\n\n\n\n<li><code>7687<\/code>\uff1aCRC\u6821\u9a8c\u548c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Modbus RTU\u4ece\u8bbe\u5907\u4f1a\u56de\u590d\uff1a<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:&quot;language&quot;,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;htmlmixed&quot;,&quot;mime&quot;:&quot;text\/html&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;&quot;,&quot;TrpContentRestriction&quot;:{&quot;restriction_type&quot;:&quot;exclude&quot;,&quot;selected_languages&quot;:[],&quot;panel_open&quot;:true},&quot;language&quot;:&quot;HTML&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;html&quot;}\">11 03 06 AE41 5652 4340 49AD<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u8f6c\u5316\u4e3a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bbe\u5907\u5730\u5740\uff1a<code>11<\/code>\uff08\u6216\u5341\u8fdb\u5236\u4e2d\u768417\uff09<\/li>\n\n\n\n<li>\u529f\u80fd\u7801\uff1a<code>03<\/code><\/li>\n\n\n\n<li>\u5b57\u8282\u8ba1\u6570\uff08\u8868\u793a\u540e\u9762\u8ddf\u968f6\u5b57\u8282\uff09\uff1a<code>06<\/code><\/li>\n\n\n\n<li>\u6ce8\u518c\u503cAO0\u3001AO1\u548cAO2\u4f5c\u4e3a\u4e24\u5b57\u8282\u5e8f\u5217<\/li>\n\n\n\n<li>CRC\u503c\u7531<code>49AD<\/code>\u7ed9\u51fa<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a21\u62df\u8f93\u51fa\u5bc4\u5b58\u5668\u7684\u503c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u89e3\u91ca\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f5c\u4e3a16\u4f4d\u65e0\u7b26\u53f7\u6574\u6570\uff08\u8303\u56f40\u81f365535\uff09<\/li>\n\n\n\n<li>\u4f5c\u4e3a16\u4f4d\u6709\u7b26\u53f7\u6574\u6570\uff08\u8303\u56f4-32768\u81f332767\uff09<\/li>\n\n\n\n<li>\u4f5c\u4e3a\u4e24\u4e2a\u5b57\u7b26\u7684ASCII\u5b57\u7b26\u4e32<\/li>\n\n\n\n<li>\u4f5c\u4e3a\u79bb\u6563\u5f00\/\u5173\u503c\uff080\u62161\uff09<\/li>\n\n\n\n<li>\u4f5c\u4e3a32\u4f4d\u65e0\u7b26\u53f7\u6574\u6570\uff08\u8303\u56f40\u52304,294,967,295\uff09<\/li>\n\n\n\n<li>\u4f5c\u4e3a32\u4f4d\u6709\u7b26\u53f7\u6574\u6570\uff08\u8303\u56f4-2,147,483,648\u81f32,147,483,647\uff09<\/li>\n\n\n\n<li>\u4f5c\u4e3a32\u4f4d\u5355\u7cbe\u5ea6IEEE\u6d6e\u70b9\u6570\uff08\u8303\u56f41.2\u00d710^\u221238\u81f33.4\u00d710^+38\uff09<\/li>\n\n\n\n<li>\u4f5c\u4e3a\u56db\u5b57\u7b26ASCII\u5b57\u7b26\u4e32<\/li>\n<\/ul>\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\"><strong>Modbus RTU\u547d\u4ee4\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u662f\u7528\u4e8e\u8bfb\u53d6\u548c\u5199\u5165Modbus RTU\u5bc4\u5b58\u5668\u7684\u4ee3\u7801\u8868\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u529f\u80fd\u4ee3\u7801<\/th><th>\u529f\u80fd\u64cd\u4f5c<\/th><th>\u6570\u636e\u7c7b\u578b<\/th><th>\u8bbf\u95ee\u7c7b\u578b<\/th><\/tr><\/thead><tbody><tr><td>01 (0x01)<\/td><td>\u8bfb\u53d6DO<\/td><td>\u79bb\u6563\u8f93\u51fa\u7ebf\u5708\u72b6\u6001<\/td><td>\u8bfb\u53d6<\/td><\/tr><tr><td>02 (0x02)<\/td><td>\u8bfb\u53d6DI<\/td><td>\u79bb\u6563\u8f93\u5165\u72b6\u6001<\/td><td>\u8bfb\u53d6<\/td><\/tr><tr><td>03 (0x03)<\/td><td>\u8bfb\u53d6AO<\/td><td>\u4fdd\u6301\u5bc4\u5b58\u5668<\/td><td>16\u4f4d<\/td><\/tr><tr><td>04 (0x04)<\/td><td>\u8bfb\u53d6AI<\/td><td>\u8f93\u5165\u5bc4\u5b58\u5668<\/td><td>16\u4f4d<\/td><\/tr><tr><td>05 (0x05)<\/td><td>\u5199\u5165\u4e00\u4e2aDO<\/td><td>\u5f3a\u5236\u5355\u7ebf\u5708<\/td><td>\u79bb\u6563<\/td><\/tr><tr><td>06 (0x06)<\/td><td>\u5199\u5165\u4e00\u4e2aAO<\/td><td>\u9884\u8bbe\u5355\u5bc4\u5b58\u5668<\/td><td>16\u4f4d<\/td><\/tr><tr><td>15 (0x0F)<\/td><td>\u591aDO\u5199\u5165<\/td><td>\u5f3a\u5236\u591a\u7ebf\u5708<\/td><td>\u79bb\u6563<\/td><\/tr><tr><td>16 (0x10)<\/td><td>\u591aAO\u5199\u5165<\/td><td>\u9884\u8bbe\u591a\u5bc4\u5b58\u5668<\/td><td>16\u4f4d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5982\u4f55\u53d1\u9001Modbus RTU\u547d\u4ee4\u6765\u8bfb\u53d6\u79bb\u6563\u8f93\u51fa\uff1f\u547d\u4ee40x01<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u547d\u4ee4\u7528\u4e8e\u8bfb\u53d6DO\u6570\u5b57\u8f93\u51fa\u7684\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PDU\u8bf7\u6c42\u6307\u5b9a\u7b2c\u4e00\u4e2aDO\u5bc4\u5b58\u5668\u7684\u8d77\u59cb\u5730\u5740\u548c\u540e\u7eed\u6240\u9700\u7684DO\u503c\u6570\u91cf\u3002\u5728PDU\u4e2d\uff0cDO\u503c\u4ece\u96f6\u5f00\u59cb\u5bfb\u5740\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u54cd\u5e94\u4e2d\u7684DO\u503c\u4e3a\u4e00\u4e2a\u5b57\u8282\uff0c\u5bf9\u5e94\u4f4d\u7684\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f4d\u503c\u5b9a\u4e49\u4e3a1 = ON\uff0c0 = OFF\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\u4e00\u4e2a\u6570\u636e\u5b57\u8282\u7684\u4f4e\u4f4d\u5305\u542b\u5728\u8bf7\u6c42\u4e2d\u6307\u5b9a\u5730\u5740\u7684DO\u503c\u3002\u5176\u4f59\u7684DO\u503c\u6309\u7167\u589e\u52a0\u7684\u503c\u5230\u5b57\u8282\u7684\u6700\u9ad8\u503c\u3002\u5373\u4ece\u53f3\u5230\u5de6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u8bf7\u6c42\u7684DO\u503c\u5c11\u4e8e\u516b\u4e2a\uff0c\u5219\u54cd\u5e94\u4e2d\u7684\u5176\u4f59\u4f4d\u5c06\u586b\u5145\u4e3a\u96f6\uff08\u4ece\u4f4e\u5b57\u8282\u5230\u9ad8\u5b57\u8282\u7684\u65b9\u5411\uff09\u3002\u5b57\u8282\u8ba1\u6570\u8fdb\u4e00\u6b65\u8868\u793a\u54cd\u5e94\u4e2d\u6570\u636e\u7684\u5b8c\u6574\u5b57\u8282\u6570\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u4ece20\u523056\u7684DO\u67e5\u8be2\u793a\u4f8b\uff0c\u9488\u5bf9\u8bbe\u5907\u7684SlaveID\u5730\u574017\u3002\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u7684\u5730\u5740\u5c06\u662f0013\u5341\u516d\u8fdb\u5236=19\uff0c\u56e0\u4e3a\u5e10\u6237\u662f\u4ece0\u5730\u5740\u5f00\u59cb\u7684\uff080014\u5341\u516d\u8fdb\u5236=20, -1\u96f6\u504f\u79fb=\u6211\u4eec\u5f97\u52300013\u5341\u516d\u8fdb\u5236=19\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5b57\u8282<\/th><th>\u8bf7\u6c42<\/th><th>\u5b57\u8282<\/th><th>\u56de\u590d<\/th><\/tr><\/thead><tbody><tr><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><\/tr><tr><td>11<\/td><td>\u8bbe\u5907\u5730\u5740<\/td><td>11<\/td><td>\u8bbe\u5907\u5730\u5740<\/td><\/tr><tr><td>01<\/td><td>\u529f\u80fd\u4ee3\u7801<\/td><td>01<\/td><td>\u529f\u80fd\u4ee3\u7801<\/td><\/tr><tr><td>00<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u9ad8\u5b57\u8282<\/td><td>05<\/td><td>\u66f4\u591a\u7684\u5b57\u8282\u6570<\/td><\/tr><tr><td>13<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u4f4e\u5b57\u8282<\/td><td>CD<\/td><td>DO 27-20\u7684\u5bc4\u5b58\u5668\u503c (1100 1101)<\/td><\/tr><tr><td>00<\/td><td>\u5bc4\u5b58\u5668\u6570\u91cf\u9ad8\u5b57\u8282<\/td><td>6B<\/td><td>DO 35-28\u7684\u5bc4\u5b58\u5668\u503c (0110 1011)<\/td><\/tr><tr><td>25<\/td><td>\u5bc4\u5b58\u5668\u6570\u91cf\u4f4e\u5b57\u8282<\/td><td>B2<\/td><td>DO 43-36\u7684\u5bc4\u5b58\u5668\u503c (1011 0010)<\/td><\/tr><tr><td>0E<\/td><td>CRC-16(Modbus)<\/td><td>0E<\/td><td>DO 51-44\u7684\u5bc4\u5b58\u5668\u503c (0000 1110)<\/td><\/tr><tr><td>84<\/td><td>CRC-16(Modbus)<\/td><td>1B<\/td><td>DO 56-52\u7684\u5bc4\u5b58\u5668\u503c (0001 1011)<\/td><\/tr><tr><td>45<\/td><td>CRC-16(Modbus)<\/td><td><\/td><td><\/td><\/tr><tr><td>E6<\/td><td>CRC-16(Modbus)<\/td><td><\/td><td><\/td><\/tr><tr><td>DO 27-20\u7684\u8f93\u51fa\u72b6\u6001\u663e\u793a\u4e3a\u5b57\u8282CD\u5341\u516d\u8fdb\u5236\u503c\uff0c\u6216\u5728\u4e8c\u8fdb\u5236\u7cfb\u7edf\u4e2d\u4e3a1100 1101\u3002<\/td><td><\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5bc4\u5b58\u5668DO 56-52\u4e2d\uff0c\u53f3\u8fb9\u8bf7\u6c42\u4e865\u4f4d\uff0c\u5176\u4f59\u7684\u4f4d\u586b\u5145\u4e3a\u96f6\u4ee5\u5f97\u5230\u5b8c\u6574\u7684\u5b57\u8282(0001 1011)\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u901a\u9053<\/th><th>&#8211;<\/th><th>&#8211;<\/th><th>&#8211;<\/th><th>DO 56<\/th><th>DO 55<\/th><th>DO 54<\/th><th>DO 53<\/th><th>DO 52<\/th><\/tr><\/thead><tbody><tr><td>\u4f4d<\/td><td>0<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>1<\/td><td>1<\/td><\/tr><tr><td>\u5341\u516d\u8fdb\u5236<\/td><td>1B<\/td><td><\/td><td><\/td><td><\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5982\u4f55\u53d1\u9001Modbus RTU\u547d\u4ee4\u6765\u8bfb\u53d6\u6570\u5b57\u8f93\u5165\uff1f\u547d\u4ee40x02<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u547d\u4ee4\u7528\u4e8e\u8bfb\u53d6\u6570\u5b57\u8f93\u5165DI\u7684\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u5bc4\u5b58\u5668# 10197\u523010218\u7684DI\u8bf7\u6c42\u793a\u4f8b\uff0c\u9488\u5bf9\u8bbe\u5907\u7684SlaveID\u5730\u574017\u3002\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u7684\u5730\u5740\u5c06\u662f00C4\u5341\u516d\u8fdb\u5236=196\uff0c\u56e0\u4e3a\u5e10\u6237\u662f\u4ece0\u5730\u5740\u5f00\u59cb\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5b57\u8282<\/th><th>\u8bf7\u6c42<\/th><th>\u5b57\u8282<\/th><th>\u56de\u590d<\/th><\/tr><\/thead><tbody><tr><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><\/tr><tr><td>11<\/td><td>\u8bbe\u5907\u5730\u5740<\/td><td>11<\/td><td>\u8bbe\u5907\u5730\u5740<\/td><\/tr><tr><td>02<\/td><td>\u529f\u80fd\u4ee3\u7801<\/td><td>02<\/td><td>\u529f\u80fd\u4ee3\u7801<\/td><\/tr><tr><td>00<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u9ad8\u5b57\u8282<\/td><td>03<\/td><td>\u66f4\u591a\u7684\u5b57\u8282\u6570<\/td><\/tr><tr><td>C4<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u4f4e\u5b57\u8282<\/td><td>AC<\/td><td>DI 10204-10197\u7684\u5bc4\u5b58\u5668\u503c (1010 1100)<\/td><\/tr><tr><td>00<\/td><td>\u5bc4\u5b58\u5668\u6570\u91cf\u9ad8\u5b57\u8282<\/td><td>DB<\/td><td>DI 10212-10205\u7684\u5bc4\u5b58\u5668\u503c (1101 1011)<\/td><\/tr><tr><td>16<\/td><td>\u5bc4\u5b58\u5668\u6570\u91cf\u4f4e\u5b57\u8282<\/td><td>35<\/td><td>DI 10218-10213\u7684\u5bc4\u5b58\u5668\u503c (0011 0101)<\/td><\/tr><tr><td>BA<\/td><td>CRC-16(Modbus)<\/td><td>20<\/td><td>CRC-16(Modbus)<\/td><\/tr><tr><td>A9<\/td><td>CRC-16(Modbus)<\/td><td>18<\/td><td>CRC-16(Modbus)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5982\u4f55\u53d1\u9001Modbus RTU\u547d\u4ee4\u6765\u8bfb\u53d6\u6a21\u62df\u8f93\u51fa\uff1f\u547d\u4ee40x03<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u547d\u4ee4\u7528\u4e8e\u8bfb\u53d6\u6a21\u62df\u8f93\u51faAO\u7684\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u5bc4\u5b58\u5668# 40108\u523040110\u7684AO\u8bf7\u6c42\u793a\u4f8b\uff0c\u9488\u5bf9\u8bbe\u5907\u7684SlaveID\u5730\u574017\u3002\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u7684\u5730\u5740\u5c06\u662f006B\u5341\u516d\u8fdb\u5236=107\uff0c\u56e0\u4e3a\u5e10\u6237\u662f\u4ece0\u5730\u5740\u5f00\u59cb\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5b57\u8282<\/th><th>\u8bf7\u6c42<\/th><th>\u5b57\u8282<\/th><th>\u56de\u590d<\/th><\/tr><\/thead><tbody><tr><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><td>(<\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Hex) | \u5b57\u6bb5\u540d<br>11 | \u8bbe\u5907\u5730\u5740 | 11 | \u8bbe\u5907\u5730\u5740<br>03 | \u529f\u80fd\u4ee3\u7801 | 03 | \u529f\u80fd\u4ee3\u7801<br>00 | \u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u9ad8\u5b57\u8282 | 06 | \u66f4\u591a\u7684\u5b57\u8282\u6570<br>6B | \u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u4f4e\u5b57\u8282 | AE | #40108\u7684\u5bc4\u5b58\u5668\u503c\u9ad8\u4f4d<br>00 | \u5bc4\u5b58\u5668\u6570\u91cf\u9ad8\u5b57\u8282 | 41 | #40108\u7684\u5bc4\u5b58\u5668\u503c\u4f4e\u4f4d<br>03 | \u5bc4\u5b58\u5668\u6570\u91cf\u4f4e\u5b57\u8282 | 56 | #40109\u7684\u5bc4\u5b58\u5668\u503c\u9ad8\u4f4d<br>76 | CRC\u6821\u9a8c\u548c | 52 | #40109\u7684\u5bc4\u5b58\u5668\u503c\u4f4e\u4f4d<br>87 | CRC\u6821\u9a8c\u548c | 43 | #40110\u7684\u5bc4\u5b58\u5668\u503c\u9ad8\u4f4d<br>40 | #40110\u7684\u5bc4\u5b58\u5668\u503c\u4f4e\u4f4d<br>49 | CRC-16(Modbus)<br>AD | CRC-16(Modbus)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5982\u4f55\u53d1\u9001Modbus RTU\u547d\u4ee4\u6765\u8bfb\u53d6\u6a21\u62df\u8f93\u5165\uff1f\u547d\u4ee40x04<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u547d\u4ee4\u7528\u4e8e\u8bfb\u53d6\u6a21\u62df\u8f93\u5165AI\u7684\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u5bc4\u5b58\u5668# 30009\u7684AI\u8bf7\u6c42\u793a\u4f8b\uff0c\u9488\u5bf9\u8bbe\u5907\u7684SlaveID\u5730\u574017\u3002\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u7684\u5730\u5740\u662f0008\u5341\u516d\u8fdb\u5236=8\uff0c\u56e0\u4e3a\u5e10\u6237\u662f\u4ece0\u5730\u5740\u5f00\u59cb\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5b57\u8282<\/th><th>\u8bf7\u6c42<\/th><th>\u5b57\u8282<\/th><th>\u56de\u590d<\/th><\/tr><\/thead><tbody><tr><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><\/tr><tr><td>11<\/td><td>\u8bbe\u5907\u5730\u5740<\/td><td>11<\/td><td>\u8bbe\u5907\u5730\u5740<\/td><\/tr><tr><td>04<\/td><td>\u529f\u80fd\u4ee3\u7801<\/td><td>04<\/td><td>\u529f\u80fd\u4ee3\u7801<\/td><\/tr><tr><td>00<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u9ad8\u5b57\u8282<\/td><td>02<\/td><td>\u66f4\u591a\u7684\u5b57\u8282\u6570<\/td><\/tr><tr><td>08<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u4f4e\u5b57\u8282<\/td><td>00<\/td><td>#30009\u7684\u5bc4\u5b58\u5668\u503c\u9ad8\u4f4d<\/td><\/tr><tr><td>00<\/td><td>\u5bc4\u5b58\u5668\u6570\u91cf\u9ad8\u5b57\u8282<\/td><td>0A<\/td><td>#30009\u7684\u5bc4\u5b58\u5668\u503c\u4f4e\u4f4d<\/td><\/tr><tr><td>01<\/td><td>\u5bc4\u5b58\u5668\u6570\u91cf\u4f4e\u5b57\u8282<\/td><td>F8<\/td><td>CRC-16(Modbus)<\/td><\/tr><tr><td>B2<\/td><td>CRC-16(Modbus)<\/td><td>F4<\/td><td>CRC-16(Modbus)<\/td><\/tr><tr><td>98<\/td><td>CRC-16(Modbus)<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5982\u4f55\u53d1\u9001Modbus RTU\u547d\u4ee4\u6765\u5199\u5165\u79bb\u6563\u8f93\u51fa\uff1f\u547d\u4ee40x05<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u547d\u4ee4\u7528\u4e8e\u8bb0\u5f55DO\u6570\u5b57\u8f93\u51fa\u7684\u4e00\u4e2a\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u503cFF 00\u5341\u516d\u8fdb\u5236\u5c06\u8f93\u51fa\u8bbe\u7f6e\u4e3aON\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u503c00 00\u5341\u516d\u8fdb\u5236\u5c06\u8f93\u51fa\u8bbe\u7f6e\u4e3aOFF\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u6709\u5176\u4ed6\u503c\u90fd\u65e0\u6548\uff0c\u4e14\u4e0d\u4f1a\u5f71\u54cd\u8f93\u51fa\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u8fd9\u6837\u7684\u8bf7\u6c42\u7684\u6b63\u5e38\u54cd\u5e94\u662f\u56de\u58f0\uff08\u54cd\u5e94\u4e2d\u7684\u91cd\u590d\u8bf7\u6c42\uff09\uff0c\u5728DO\u72b6\u6001\u5df2\u66f4\u6539\u540e\u8fd4\u56de\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b\uff0c\u4f7f\u7528\u8bbe\u5907\u7684SlaveID\u5730\u574017\u7684\u5bc4\u5b58\u5668# 173\u7684DO\u8bb0\u5f55\u3002\u5bc4\u5b58\u5668\u5730\u5740\u4e3a00AC\u5341\u516d\u8fdb\u5236=172\uff0c\u56e0\u4e3a\u4ece0\u5730\u5740\u5f00\u59cb\u8bb0\u5f55\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5b57\u8282<\/th><th>\u8bf7\u6c42<\/th><th>\u5b57\u8282<\/th><th>\u56de\u590d<\/th><\/tr><\/thead><tbody><tr><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><\/tr><tr><td>11<\/td><td>\u8bbe\u5907\u5730\u5740<\/td><td>11<\/td><td>\u8bbe\u5907\u5730\u5740<\/td><\/tr><tr><td>05<\/td><td>\u529f\u80fd\u4ee3\u7801<\/td><td>05<\/td><td>\u529f\u80fd\u4ee3\u7801<\/td><\/tr><tr><td>00<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u9ad8\u5b57\u8282<\/td><td>00<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u9ad8\u5b57\u8282<\/td><\/tr><tr><td>AC<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u4f4e\u5b57\u8282<\/td><td>AC<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u4f4e\u5b57\u8282<\/td><\/tr><tr><td>FF<\/td><td>\u9ad8\u5b57\u8282\u503c<\/td><td>FF<\/td><td>\u9ad8\u5b57\u8282\u503c<\/td><\/tr><tr><td>00<\/td><td>\u4f4e\u5b57\u8282\u503c<\/td><td>00<\/td><td>\u4f4e\u5b57\u8282\u503c<\/td><\/tr><tr><td>4E<\/td><td>CRC-16(Modbus)<\/td><td>4E<\/td><td>CRC-16(Modbus)<\/td><\/tr><tr><td>8B<\/td><td>CRC-16(Modbus)<\/td><td>8B<\/td><td>CRC-16(Modbus)<\/td><\/tr><tr><td>DO173\u8f93\u51fa\u72b6\u6001\u5df2\u4eceOFF\u66f4\u6539\u4e3aON\u3002<\/td><td><\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5982\u4f55\u53d1\u9001Modbus RTU\u547d\u4ee4\u6765\u8bb0\u5f55\u6a21\u62df\u8f93\u51fa\uff1f\u547d\u4ee40x06<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u547d\u4ee4\u7528\u4e8e\u8bb0\u5f55\u6a21\u62df\u8f93\u51faAO\u7684\u4e00\u4e2a\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b\uff0c\u4f7f\u7528\u8bbe\u5907\u7684SlaveID\u5730\u574017\u7684\u5bc4\u5b58\u5668# 40002\u7684AO\u8bb0\u5f55\u3002\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u7684\u5730\u5740\u4e3a0001\u5341\u516d\u8fdb\u5236=1\uff0c\u56e0\u4e3a\u4ece0\u5730\u5740\u5f00\u59cb\u8bb0\u5f55\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5b57\u8282<\/th><th>\u8bf7\u6c42<\/th><th>\u5b57\u8282<\/th><th>\u56de\u590d<\/th><\/tr><\/thead><tbody><tr><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><\/tr><tr><td>11<\/td><td>\u8bbe\u5907\u5730\u5740<\/td><td>11<\/td><td>\u8bbe\u5907\u5730\u5740<\/td><\/tr><tr><td>06<\/td><td>\u529f\u80fd\u4ee3\u7801<\/td><td>06<\/td><td>\u529f\u80fd\u4ee3\u7801<\/td><\/tr><tr><td>00<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u9ad8\u5b57\u8282<\/td><td>00<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u9ad8\u5b57\u8282<\/td><\/tr><tr><td>01<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u4f4e\u5b57\u8282<\/td><td>01<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u4f4e\u5b57\u8282<\/td><\/tr><tr><td>00<\/td><td>\u9ad8\u5b57\u8282\u503c<\/td><td>00<\/td><td>\u9ad8\u5b57\u8282\u503c<\/td><\/tr><tr><td>03<\/td><td>\u4f4e\u5b57\u8282\u503c<\/td><td>03<\/td><td>\u4f4e\u5b57\u8282\u503c<\/td><\/tr><tr><td>9A<\/td><td>CRC-16(Modbus)<\/td><td>9A<\/td><td>CRC-16(Modbus)<\/td><\/tr><tr><td>9B<\/td><td>CRC-16(Modbus)<\/td><td>9B<\/td><td>CRC-16(Modbus)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5982\u4f55\u53d1\u9001Modbus RTU\u547d\u4ee4\u6765\u5199\u5165\u591a\u4e2a\u79bb\u6563\u5f15\u811a\uff1f\u547d\u4ee40x0F<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u547d\u4ee4\u7528\u4e8e\u8bb0\u5f55DO\u6570\u5b57\u8f93\u51fa\u7684\u591a\u4e2a\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b\uff0c\u5199\u5165\u591a\u4e2aDO\uff0c\u4ece\u8bbe\u5907\u7684SlaveID\u5730\u574017\u7684\u5bc4\u5b58\u5668# 20\u5230# 29\u3002\u5bc4\u5b58\u5668\u5730\u5740\u4e3a0013\u5341\u516d\u8fdb\u5236=19\uff0c\u56e0\u4e3a\u4ece0\u5730\u5740\u5f00\u59cb\u8bb0\u5f55\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5b57\u8282<\/th><th>\u8bf7\u6c42<\/th><th>\u5b57\u8282<\/th><th>\u56de\u590d<\/th><\/tr><\/thead><tbody><tr><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><\/tr><tr><td>11<\/td><td>\u8bbe\u5907\u5730\u5740<\/td><td>11<\/td><td>\u8bbe\u5907\u5730\u5740<\/td><\/tr><tr><td>0F<\/td><td>\u529f\u80fd\u4ee3\u7801<\/td><td>0F<\/td><td>\u529f\u80fd\u4ee3\u7801<\/td><\/tr><tr><td>00<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u9ad8\u5b57\u8282<\/td><td>00<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u9ad8\u5b57\u8282<\/td><\/tr><tr><td>13<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u4f4e\u5b57\u8282<\/td><td>13<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u4f4e\u5b57\u8282<\/td><\/tr><tr><td>00<\/td><td>\u5bc4\u5b58\u5668\u6570\u91cf\u9ad8\u5b57\u8282<\/td><td>00<\/td><td>\u8bb0\u5f55\u7684\u5bc4\u5b58\u5668\u6570\u91cf\u9ad8\u5b57\u8282<\/td><\/tr><tr><td>0A<\/td><td>\u5bc4\u5b58\u5668\u6570\u91cf\u4f4e\u5b57\u8282<\/td><td>0A<\/td><td>\u8bb0\u5f55\u7684\u5bc4\u5b58\u5668\u6570\u91cf\u4f4e\u5b57\u8282<\/td><\/tr><tr><td>02<\/td><td>\u66f4\u591a\u7684\u5b57\u8282\u6570<\/td><td>26<\/td><td>CRC-16(Modbus)<\/td><\/tr><tr><td>CD<\/td><td>DO 27-20\u7684\u5b57\u8282\u503c (1100 1101)<\/td><td>99<\/td><td>CRC-16(Modbus)<\/td><\/tr><tr><td>01<\/td><td>DO 29-28\u7684\u5b57\u8282\u503c (0000 0001)<\/td><td><\/td><td><\/td><\/tr><tr><td>BF<\/td><td>CRC-16(Modbus)<\/td><td><\/td><td><\/td><\/tr><tr><td>0B<\/td><td>CRC-16(Modbus)<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b54\u6848\u8fd4\u56de\u5df2\u8bb0\u5f55\u7684\u5bc4\u5b58\u5668\u6570\u91cf\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5982\u4f55\u53d1\u9001Modbus RTU\u547d\u4ee4\u6765\u8bb0\u5f55\u591a\u4e2a\u6a21\u62df\u8f93\u51fa\uff1f\u547d\u4ee40x10<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u547d\u4ee4\u7528\u4e8e\u8bb0\u5f55\u6a21\u62df\u8f93\u51faAO\u7684\u591a\u4e2a\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b\uff0c\u8bb0\u5f55\u591a\u4e2aAO\uff0c\u4ece\u8bbe\u5907\u7684SlaveID\u5730\u574017\u7684\u5bc4\u5b58\u5668# 40002\u548c# 40003\u3002\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u7684\u5730\u5740\u4e3a0001\u5341\u516d\u8fdb\u5236=1\uff0c\u56e0\u4e3a\u4ece0\u5730\u5740\u5f00\u59cb\u8bb0\u5f55\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5b57\u8282<\/th><th>\u8bf7\u6c42<\/th><th>\u5b57\u8282<\/th><th>\u56de\u590d<\/th><\/tr><\/thead><tbody><tr><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><\/tr><tr><td>11<\/td><td>\u8bbe\u5907\u5730\u5740<\/td><td>11<\/td><td>\u8bbe\u5907\u5730\u5740<\/td><\/tr><tr><td>10<\/td><td>\u529f\u80fd\u4ee3\u7801<\/td><td>10<\/td><td>\u529f\u80fd\u4ee3\u7801<\/td><\/tr><tr><td>00<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u9ad8\u5b57\u8282<\/td><td>00<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u9ad8\u5b57\u8282<\/td><\/tr><tr><td>01<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u4f4e\u5b57\u8282<\/td><td>01<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u4f4e\u5b57\u8282<\/td><\/tr><tr><td>00<\/td><td>\u5bc4\u5b58\u5668\u6570\u91cf\u9ad8\u5b57\u8282<\/td><td>00<\/td><td>\u8bb0\u5f55\u7684\u5bc4\u5b58\u5668\u6570\u91cf\u9ad8\u5b57\u8282<\/td><\/tr><tr><td>02<\/td><td>\u5bc4\u5b58\u5668\u6570\u91cf\u4f4e\u5b57\u8282<\/td><td>02<\/td><td>\u8bb0\u5f55\u7684\u5bc4\u5b58\u5668\u6570\u91cf\u4f4e\u5b57\u8282<\/td><\/tr><tr><td>04<\/td><td>\u66f4\u591a\u7684\u5b57\u8282\u6570<\/td><td>12<\/td><td>CRC-16(Modbus)<\/td><\/tr><tr><td>00<\/td><td>40002\u9ad8\u4f4d\u503c<\/td><td>98<\/td><td>CRC-16(Modbus)<\/td><\/tr><tr><td>0A<\/td><td>40002\u4f4e\u4f4d\u503c<\/td><td><\/td><td><\/td><\/tr><tr><td>01<\/td><td>40003\u9ad8\u4f4d\u503c<\/td><td><\/td><td><\/td><\/tr><tr><td>02<\/td><td>40003\u4f4e\u4f4d\u503c<\/td><td><\/td><td><\/td><\/tr><tr><td>C6<\/td><td>CRC-16(Modbus)<\/td><td><\/td><td><\/td><\/tr><tr><td>F0<\/td><td>CRC-16(Modbus)<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"e6e4e2\" data-has-transparency=\"false\" style=\"--dominant-color: #e6e4e2;\" decoding=\"async\" sizes=\"(max-width: 950px) 100vw, 950px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/10\/20231008221521293.png?x-oss-process=image\/resize,m_lfit,w_950,h_670\"  class=\"wp-image-25257 not-transparent\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Modbus\u8bf7\u6c42\u7684\u9519\u8bef<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u8bbe\u5907\u63a5\u6536\u5230\u4e00\u4e2a\u8bf7\u6c42\uff0c\u4f46\u65e0\u6cd5\u5904\u7406\u8be5\u8bf7\u6c42\uff0c\u8be5\u8bbe\u5907\u5c06\u4ee5\u9519\u8bef\u4ee3\u7801\u8fdb\u884c\u54cd\u5e94\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u54cd\u5e94\u5c06\u5305\u542b\u4fee\u6539\u540e\u7684\u529f\u80fd\u4ee3\u7801\uff0c\u9ad8\u4f4d\u5b57\u8282\u4e3a1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u539f\u59cb\u503c<\/th><th>\u7ed3\u679c\u503c<\/th><\/tr><\/thead><tbody><tr><td>\u8bf7\u6c42\u4e2d\u7684\u529f\u80fd\u4ee3\u7801<\/td><td>\u54cd\u5e94\u4e2d\u7684\u529f\u80fd\u9519\u8bef\u4ee3\u7801<\/td><\/tr><tr><td>01 (01 hex) 0000 0001<\/td><td>129 (81 hex) 1000 0001<\/td><\/tr><tr><td>02 (02 hex) 0000 0010<\/td><td>130 (82 hex) 1000 0010<\/td><\/tr><tr><td>03 (03 hex) 0000 0011<\/td><td>131 (83 hex) 1000 0011<\/td><\/tr><tr><td>04 (04 hex) 0000 0100<\/td><td>132 (84 hex) 1000 0100<\/td><\/tr><tr><td>05 (05 hex) 0000 0101<\/td><td>133 (85 hex) 1000 0101<\/td><\/tr><tr><td>06 (06 hex) 0000 0110<\/td><td>134 (86 hex) 1000 0110<\/td><\/tr><tr><td>15 (0F hex) 0000 1111<\/td><td>143 (8F hex) 1000 1111<\/td><\/tr><tr><td>16 (10 hex) 0001 0000<\/td><td>144 (90 hex) 1001 0000<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e26\u6709\u9519\u8bef\u7684\u8bf7\u6c42\u548c\u54cd\u5e94\u793a\u4f8b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5b57\u8282<\/th><th>\u8bf7\u6c42<\/th><th>\u5b57\u8282<\/th><th>\u54cd\u5e94<\/th><\/tr><\/thead><tbody><tr><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><td>(Hex)<\/td><td>\u5b57\u6bb5\u540d<\/td><\/tr><tr><td>0A<\/td><td>\u8bbe\u5907\u5730\u5740<\/td><td>0A<\/td><td>\u8bbe\u5907\u5730\u5740<\/td><\/tr><tr><td>01<\/td><td>\u529f\u80fd\u4ee3\u7801<\/td><td>81<\/td><td>\u5df2\u66f4\u6539\u7684\u529f\u80fd\u4ee3\u7801<\/td><\/tr><tr><td>04<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u9ad8\u5b57\u8282<\/td><td>02<\/td><td>\u9519\u8bef\u4ee3\u7801<\/td><\/tr><tr><td>A1<\/td><td>\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u5730\u5740\u4f4e\u5b57\u8282<\/td><td>B0<\/td><td>CRC-16(Modbus)<\/td><\/tr><tr><td>00<\/td><td>\u5bc4\u5b58\u5668\u6570\u91cf\u9ad8\u5b57\u8282<\/td><td>53<\/td><td>CRC-16(Modbus)<\/td><\/tr><tr><td>01<\/td><td>\u5bc4\u5b58\u5668\u6570\u91cf\u4f4e\u5b57\u8282<\/td><td><\/td><td><\/td><\/tr><tr><td>AC<\/td><td>CRC-16(Modbus)<\/td><td><\/td><td><\/td><\/tr><tr><td>63<\/td><td>CRC-16(Modbus)<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9519\u8bef\u4ee3\u7801\u8bf4\u660e<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">01 | \u4e0d\u80fd\u5904\u7406\u5df2\u63a5\u53d7\u7684\u529f\u80fd\u4ee3\u7801\u3002<br>02 | \u8bf7\u6c42\u4e2d\u6307\u5b9a\u7684\u6570\u636e\u5730\u5740\u4e0d\u53ef\u7528\u3002<br>03 | \u67e5\u8be2\u6570\u636e\u5b57\u6bb5\u4e2d\u5305\u542b\u7684\u503c\u662f\u65e0\u6548\u503c\u3002<br>04 | \u4ece\u7ad9\u5c1d\u8bd5\u6267\u884c\u8bf7\u6c42\u7684\u64cd\u4f5c\u65f6\u53d1\u751f\u4e0d\u53ef\u6062\u590d\u7684\u9519\u8bef\u3002<br>05 | \u4ece\u7ad9\u5df2\u63a5\u53d7\u8bf7\u6c42\u5e76\u6b63\u5728\u5904\u7406\uff0c\u4f46\u9700\u8981\u8f83\u957f\u65f6\u95f4\u3002\u6b64\u54cd\u5e94\u9632\u6b62\u4e3b\u673a\u751f\u6210\u8d85\u65f6\u9519\u8bef\u3002<br>06 | \u4ece\u7ad9\u6b63\u5fd9\u4e8e\u5904\u7406\u547d\u4ee4\u3002\u4e3b\u673a\u5728\u4ece\u7ad9\u7a7a\u95f2\u65f6\u5fc5\u987b\u91cd\u590d\u6d88\u606f\u3002<br>07 | \u4ece\u7ad9\u65e0\u6cd5\u6267\u884c\u8bf7\u6c42\u4e2d\u6307\u5b9a\u7684\u7a0b\u5e8f\u529f\u80fd\u3002\u4f7f\u7528\u529f\u80fd\u7f16\u53f713\u621614\u7684\u4e0d\u6210\u529f\u7684\u7a0b\u5e8f\u8bf7\u6c42\u8fd4\u56de\u6b64\u4ee3\u7801\u3002\u4e3b\u673a\u5fc5\u987b\u4ece\u4ece\u7ad9\u8bf7\u6c42\u8bca\u65ad\u4fe1\u606f\u6216\u9519\u8bef\u4fe1\u606f\u3002<br>08 | \u4ece\u7ad9\u5728\u8bfb\u53d6\u6269\u5c55\u5185\u5b58\u65f6\u68c0\u6d4b\u5230\u5947\u5076\u6821\u9a8c\u9519\u8bef\u3002\u4e3b\u673a\u53ef\u4ee5\u91cd\u590d\u8bf7\u6c42\uff0c\u4f46\u901a\u5e38\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u9700\u8981\u7ef4\u4fee\u3002<\/p>\n<span id=\"magicpostMarker\"><\/span>","protected":false},"excerpt":{"rendered":"<p>Modbus RTU\u534f\u8bae\u63cf\u8ff0 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