{"id":41694,"date":"2026-04-06T09:41:15","date_gmt":"2026-04-06T01:41:15","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=41694"},"modified":"2026-06-30T23:42:38","modified_gmt":"2026-06-30T15:42:38","slug":"modbus-gong-cheng-shi-bi-bei-shen-qi-rtu-tcp-ascii-bao-wen-sheng-cheng-jie-xi-qi-xiao-lv-ti","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/41694.html","title":{"rendered":"Modbus \u5de5\u7a0b\u5e08\u5fc5\u5907\u795e\u5668\uff01RTU\/TCP\/ASCII \u62a5\u6587\u751f\u6210\u89e3\u6790\u5668\uff0c\u6548\u7387\u63d0\u5347 10 \u500d"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">Modbus \u5de5\u7a0b\u5e08\u5fc5\u5907\u795e\u5668\uff01RTU\/TCP\/ASCII \u62a5\u6587\u751f\u6210\u89e3\u6790\u5668\uff0c\u6548\u7387\u63d0\u5347 10 \u500d<\/h1>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u8fd8\u5728\u624b\u52a8\u8ba1\u7b97 Modbus \u62a5\u6587\uff1f\u8fd9\u4e2a\u5de5\u5177\u652f\u6301 RTU\/TCP\/ASCII \u4e09\u79cd\u534f\u8bae\uff0c\u81ea\u52a8\u751f\u6210\u8bf7\u6c42\/\u54cd\u5e94\u62a5\u6587\uff0cCRC\/LRC \u6821\u9a8c\u3001\u62a5\u6587\u89e3\u6790\u3001\u5386\u53f2\u8bb0\u5f55\u4e00\u952e\u641e\u5b9a<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u524d\u8a00\uff1aModbus \u8c03\u8bd5\u7684\u75db\uff0c\u5de5\u7a0b\u5e08\u90fd\u61c2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u505a\u4e86 20 \u5e74\u5de5\u4e1a\u81ea\u52a8\u5316\uff0c\u592a\u61c2 Modbus \u8c03\u8bd5\u7684\u75db\u82e6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4f60\u662f\u4e0d\u662f\u4e5f\u7ecf\u5e38\u9047\u5230\u8fd9\u4e9b\u60c5\u51b5\uff1f<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u573a\u666f 1\uff1a\u624b\u52a8\u8ba1\u7b97\u62a5\u6587\uff0c\u5bb9\u6613\u9519<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u8981\u8bfb\u53d6\u4fdd\u6301\u5bc4\u5b58\u5668\uff0c\u4ece\u7ad9\u5730\u5740 01\uff0c\u8d77\u59cb\u5730\u5740 40001\uff0c\u6570\u91cf 10 \u4e2a<br>\u4f60\u62ff\u7740\u8ba1\u7b97\u5668\u7b97\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ece\u7ad9\u5730\u5740\uff1a01<\/li>\n\n\n\n<li>\u529f\u80fd\u7801\uff1a03<\/li>\n\n\n\n<li>\u8d77\u59cb\u5730\u5740\uff1a00 00\uff0840001-1=40000=0x9C40\uff0c\u7b49\u7b49\uff0c\u4e0d\u5bf9&#8230;\uff09<\/li>\n\n\n\n<li>\u6570\u91cf\uff1a00 0A<\/li>\n\n\n\n<li>CRC \u6821\u9a8c\uff1a\uff1f\uff1f\uff1f<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b97\u4e86\u4e00\u534a\uff0c\u5ba2\u6237\u6253\u7535\u8bdd\u6765\uff0c\u56de\u6765\u5fd8\u4e86\u7b97\u5230\u54ea\u4e86<br>\u91cd\u65b0\u7b97\uff0cCRC \u7b97\u51fa\u6765\u4e0d\u5bf9<br>\u518d\u7b97\uff0c\u8fd8\u662f\u4e0d\u5bf9&#8230;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u573a\u666f 2\uff1a\u6536\u5230\u62a5\u6587\uff0c\u4e0d\u4f1a\u89e3\u6790<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u8bbe\u5907\u8fd4\u56de\uff1a<code>01 03 14 00 0A 00 0B 00 0C 00 0D 00 0E xx xx<\/code><br>\u4f60\u76ef\u7740\u770b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u662f\u529f\u80fd\u7801 03 \u7684\u54cd\u5e94<\/li>\n\n\n\n<li>14 \u662f\u5b57\u8282\u6570\uff0820 \u5b57\u8282\uff09<\/li>\n\n\n\n<li>\u4f46\u6bcf\u4e2a\u5bc4\u5b58\u5668\u503c\u662f\u591a\u5c11\uff1f<\/li>\n\n\n\n<li>\u5b57\u8282\u5e8f\u662f AB \u8fd8\u662f BA\uff1f<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u573a\u666f 3\uff1a\u4e09\u79cd\u534f\u8bae\uff0c\u641e\u6df7\u4e86<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>RTU \u7528 CRC \u6821\u9a8c<\/li>\n\n\n\n<li>ASCII \u7528 LRC \u6821\u9a8c<\/li>\n\n\n\n<li>TCP \u6709 MBAP \u5934<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u7740\u6025\uff0c\u7528 RTU \u7684\u65b9\u5f0f\u89e3\u6790 TCP \u62a5\u6587\uff0c\u600e\u4e48\u90fd\u5bf9\u4e0d\u4e0a<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u573a\u666f 4\uff1a\u8c03\u8bd5\u8bb0\u5f55\uff0c\u627e\u4e0d\u5230<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6628\u5929\u8c03\u597d\u7684\u62a5\u6587\uff0c\u4eca\u5929\u627e\u4e0d\u5230\u4e86<br>\u95ee\u540c\u4e8b\u8981\uff0c\u540c\u4e8b\u8bf4&#8221;\u6211\u4e5f\u5fd8\u4e86&#8221;<br>\u91cd\u65b0\u7b97\uff0c\u53c8\u82b1 1 \u5c0f\u65f6<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8fd9\u4e9b\u75db\u70b9\uff0c\u6211\u90fd\u77e5\u9053\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\uff0c\u6211\u5f00\u53d1\u4e86\u8fd9\u4e2a <strong>Modbus \u62a5\u6587\u751f\u6210\u89e3\u6790\u5668<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u652f\u6301 <strong>RTU\/TCP\/ASCII \u4e09\u79cd\u534f\u8bae<\/strong>\uff0c\u81ea\u52a8\u751f\u6210\u8bf7\u6c42\/\u54cd\u5e94\u62a5\u6587\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e0d\u7528\u624b\u52a8\u8ba1\u7b97\uff0c\u4e0d\u7528\u8bb0\u516c\u5f0f\uff0c\u70b9\u51e0\u4e0b\u5c31\u751f\u6210\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u6838\u5fc3\u529f\u80fd\uff1a\u4e3a\u4ec0\u4e48\u5de5\u7a0b\u5e08\u90fd\u8bf4\u597d\uff1f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1.1 \u4e09\u79cd\u534f\u8bae\u5168\u8986\u76d6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u652f\u6301 Modbus \u4e09\u79cd\u4f20\u8f93\u6a21\u5f0f\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u534f\u8bae<\/th><th>\u6821\u9a8c\u65b9\u5f0f<\/th><th>\u5e27\u683c\u5f0f<\/th><th>\u9002\u7528\u573a\u666f<\/th><\/tr><\/thead><tbody><tr><td><strong>Modbus RTU<\/strong><\/td><td>CRC16<\/td><td>\u4e8c\u8fdb\u5236<\/td><td>\u4e32\u53e3\u901a\u4fe1\uff08RS485\/RS232\uff09<\/td><\/tr><tr><td><strong>Modbus ASCII<\/strong><\/td><td>LRC<\/td><td>ASCII \u6587\u672c<\/td><td>\u8001\u65e7\u8bbe\u5907\/\u8c03\u5236\u89e3\u8c03\u5668<\/td><\/tr><tr><td><strong>Modbus TCP<\/strong><\/td><td>\u65e0\u6821\u9a8c\uff08TCP \u4fdd\u8bc1\uff09<\/td><td>MBAP \u5934 +ADU<\/td><td>\u4ee5\u592a\u7f51\u901a\u4fe1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e00\u4e2a\u5de5\u5177\uff0c\u641e\u5b9a\u6240\u6709 Modbus \u8c03\u8bd5\u573a\u666f\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1.2 \u8bf7\u6c42\u547d\u4ee4\u751f\u6210\u5668<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u529f\u80fd\u8bf4\u660e<\/strong>\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2460 \u652f\u6301 12 \u79cd\u529f\u80fd\u7801<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u529f\u80fd\u7801<\/th><th>\u540d\u79f0<\/th><th>\u7528\u9014<\/th><\/tr><\/thead><tbody><tr><td>01<\/td><td>\u8bfb\u7ebf\u5708\u72b6\u6001<\/td><td>\u8bfb\u53d6\u5f00\u5173\u91cf\u8f93\u51fa<\/td><\/tr><tr><td>02<\/td><td>\u8bfb\u79bb\u6563\u8f93\u5165<\/td><td>\u8bfb\u53d6\u5f00\u5173\u91cf\u8f93\u5165<\/td><\/tr><tr><td>03<\/td><td>\u8bfb\u4fdd\u6301\u5bc4\u5b58\u5668<\/td><td>\u6700\u5e38\u7528\uff08\u6a21\u62df\u91cf\u8f93\u51fa\uff09<\/td><\/tr><tr><td>04<\/td><td>\u8bfb\u8f93\u5165\u5bc4\u5b58\u5668<\/td><td>\u53ea\u8bfb\uff08\u6a21\u62df\u91cf\u8f93\u5165\uff09<\/td><\/tr><tr><td>05<\/td><td>\u5199\u5355\u4e2a\u7ebf\u5708<\/td><td>\u5f00\u5173\u63a7\u5236<\/td><\/tr><tr><td>06<\/td><td>\u5199\u5355\u4e2a\u5bc4\u5b58\u5668<\/td><td>\u53c2\u6570\u8bbe\u7f6e<\/td><\/tr><tr><td>0F<\/td><td>\u5199\u591a\u4e2a\u7ebf\u5708<\/td><td>\u6279\u91cf\u5f00\u5173\u63a7\u5236<\/td><\/tr><tr><td>10<\/td><td>\u5199\u591a\u4e2a\u5bc4\u5b58\u5668<\/td><td>\u6279\u91cf\u53c2\u6570\u8bbe\u7f6e<\/td><\/tr><tr><td>17<\/td><td>\u8bfb\/\u5199\u591a\u4e2a\u5bc4\u5b58\u5668<\/td><td>\u540c\u65f6\u8bfb\u5199<\/td><\/tr><tr><td>2B<\/td><td>\u8bfb\u53d6\u8bbe\u5907\u6807\u8bc6<\/td><td>\u8bbe\u5907\u4fe1\u606f\u67e5\u8be2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2461 \u53c2\u6570\u914d\u7f6e<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u529f\u80fd\u7801 03\uff08\u8bfb\u4fdd\u6301\u5bc4\u5b58\u5668\uff09\u4e3a\u4f8b\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;HTML&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;}\">\u4ece\u7ad9\u5730\u5740\uff1a01\uff080-247\uff09\n\u529f\u80fd\u7801\uff1a03\n\u8d77\u59cb\u5730\u5740\uff1a0000\uff08\u5341\u516d\u8fdb\u5236\u6216\u5341\u8fdb\u5236\uff09\n\u6570\u91cf\uff1a0010\uff08\u8bfb\u53d6 10 \u4e2a\u5bc4\u5b58\u5668\uff09\n<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2462 \u81ea\u52a8\u751f\u6210\u62a5\u6587<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u5165\u53c2\u6570\u540e\uff0c\u81ea\u52a8\u751f\u6210\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>RTU \u6a21\u5f0f\uff1a<\/strong><\/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;HTML&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;}\">01 03 00 00 00 0A C4 0B\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500 CRC \u4f4e\u5b57\u8282\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500 CRC \u9ad8\u5b57\u8282\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u6570\u91cf\u4f4e\u5b57\u8282\n\u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u6570\u91cf\u9ad8\u5b57\u8282\n\u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u8d77\u59cb\u5730\u5740\u4f4e\u5b57\u8282\n\u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u8d77\u59cb\u5730\u5740\u9ad8\u5b57\u8282\n\u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u529f\u80fd\u7801\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u4ece\u7ad9\u5730\u5740\n<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASCII \u6a21\u5f0f\uff1a<\/strong><\/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;HTML&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;}\">:01030000000AFB\n\u2502            \u2502  \u2502\n\u2502            \u2502  \u2514\u2500\u2500 LRC \u6821\u9a8c\uff08FB\uff09\n\u2502            \u2514\u2500\u2500\u2500\u2500\u2500 \u6570\u636e\u90e8\u5206\uff08ASCII \u7f16\u7801\uff09\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u8d77\u59cb\u7b26\uff08:\uff09\n<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>TCP \u6a21\u5f0f\uff1a<\/strong><\/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;HTML&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;}\">00 01 00 00 00 06 01 03 00 00 00 0A\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500 \u6570\u91cf\u4f4e\u5b57\u8282\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u6570\u91cf\u9ad8\u5b57\u8282\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u8d77\u59cb\u5730\u5740\u4f4e\u5b57\u8282\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u8d77\u59cb\u5730\u5740\u9ad8\u5b57\u8282\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u529f\u80fd\u7801\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u5355\u5143\u6807\u8bc6\u7b26\uff08\u4ece\u7ad9\u5730\u5740\uff09\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u957f\u5ea6\uff08\u540e\u7eed\u5b57\u8282\u6570\uff09\n\u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u534f\u8bae\u6807\u8bc6\u7b26\uff080=Modbus\uff09\n\u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u4e8b\u52a1\u6807\u8bc6\u7b26\u4f4e\u5b57\u8282\n\u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u4e8b\u52a1\u6807\u8bc6\u7b26\u9ad8\u5b57\u8282\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 MBAP \u5934\uff087 \u5b57\u8282\uff09\n<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2463 \u7279\u6b8a\u529f\u80fd\u7801\u652f\u6301<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u529f\u80fd\u7801 05\uff08\u5199\u5355\u4e2a\u7ebf\u5708\uff09\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f00\u5173\u9009\u62e9\uff1a\u6253\u5f00 (ON) \/ \u5173\u95ed (OFF)<\/li>\n\n\n\n<li>\u81ea\u52a8\u8f6c\u6362\u4e3a FF00\/0000<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u529f\u80fd\u7801 0F\uff08\u5199\u591a\u4e2a\u7ebf\u5708\uff09\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ebf\u5708\u6570\u91cf\u8f93\u5165<\/li>\n\n\n\n<li>\u53ef\u89c6\u5316\u7ebf\u5708\u9009\u62e9\uff08\u5706\u70b9\u6309\u94ae\uff09<\/li>\n\n\n\n<li>\u70b9\u51fb\u5207\u6362\u72b6\u6001\uff08\u7070=OFF\uff0c\u84dd=ON\uff09<\/li>\n\n\n\n<li>\u81ea\u52a8\u8ba1\u7b97\u5b57\u8282\u6570<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u529f\u80fd\u7801 10\uff08\u5199\u591a\u4e2a\u5bc4\u5b58\u5668\uff09\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5bc4\u5b58\u5668\u5217\u8868\uff08\u53ef\u6dfb\u52a0\u591a\u4e2a\uff09<\/li>\n\n\n\n<li>\u6bcf\u4e2a\u5bc4\u5b58\u5668\u8bbe\u7f6e\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5730\u5740\uff08\u81ea\u52a8\u8ba1\u7b97\uff09<\/li>\n\n\n\n<li>\u6570\u636e\u7c7b\u578b\uff08UINT16\/INT16\/UINT32\/INT32\/FLOAT\uff09<\/li>\n\n\n\n<li>\u5b57\u8282\u5e8f\uff08AB\/BA\uff09<\/li>\n\n\n\n<li>\u6570\u503c\uff08\u5341\u8fdb\u5236\u8f93\u5165\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u81ea\u52a8\u8f6c\u6362\u4e3a\u5bc4\u5b58\u5668\u503c<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1.3 \u54cd\u5e94\u62a5\u6587\u751f\u6210\u5668<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u529f\u80fd\u8bf4\u660e<\/strong>\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2460 \u6a21\u62df\u8bbe\u5907\u54cd\u5e94<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528\u4e8e\u6d4b\u8bd5\u4e0a\u4f4d\u673a\u8f6f\u4ef6\uff08\u5982\u7ec4\u6001\u738b\u3001WinCC\uff09\u6216 PLC \u7a0b\u5e8f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2461 \u652f\u6301\u6b63\u5e38\u54cd\u5e94\u548c\u5f02\u5e38\u54cd\u5e94<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6b63\u5e38\u54cd\u5e94\uff08\u529f\u80fd\u7801 03\uff09\uff1a<\/strong><\/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;HTML&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;}\">\u4ece\u7ad9\u5730\u5740\uff1a01\n\u529f\u80fd\u7801\uff1a03\n\u5b57\u8282\u6570\uff1a20\uff0810 \u4e2a\u5bc4\u5b58\u5668\u00d72\uff09\n\u5bc4\u5b58\u5668\u503c\uff1a\n  - Reg 0: 10\uff080x000A\uff09\n  - Reg 1: 20\uff080x0014\uff09\n  - Reg 2: 30\uff080x001E\uff09\n  - ...\n<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5f02\u5e38\u54cd\u5e94\uff1a<\/strong><\/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;HTML&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;}\">\u4ece\u7ad9\u5730\u5740\uff1a01\n\u529f\u80fd\u7801\uff1a83\uff0803+80\uff09\n\u5f02\u5e38\u7801\uff1a\n  - 01\uff1a\u975e\u6cd5\u529f\u80fd\n  - 02\uff1a\u975e\u6cd5\u6570\u636e\u5730\u5740\n  - 03\uff1a\u975e\u6cd5\u6570\u636e\u503c\n  - 04\uff1a\u4ece\u7ad9\u8bbe\u5907\u6545\u969c\n  - 05\uff1a\u8ba4\u53ef\n  - 06\uff1a\u4ece\u5c5e\u8bbe\u5907\u5fd9\n<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2462 \u6570\u636e\u7c7b\u578b\u652f\u6301<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u81ea\u52a8\u8f6c\u6362\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7c7b\u578b<\/th><th>\u5b57\u8282\u6570<\/th><th>\u8303\u56f4<\/th><th>\u5b57\u8282\u5e8f<\/th><\/tr><\/thead><tbody><tr><td>UINT16<\/td><td>2<\/td><td>0-65535<\/td><td>\u56fa\u5b9a<\/td><\/tr><tr><td>INT16<\/td><td>2<\/td><td>-32768~32767<\/td><td>\u56fa\u5b9a<\/td><\/tr><tr><td>UINT32<\/td><td>4<\/td><td>0-4294967295<\/td><td>AB\/BA<\/td><\/tr><tr><td>INT32<\/td><td>4<\/td><td>-2147483648~2147483647<\/td><td>AB\/BA<\/td><\/tr><tr><td>FLOAT<\/td><td>4<\/td><td>IEEE 754 \u5355\u7cbe\u5ea6<\/td><td>AB\/BA\/CDAB\/BADC<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u793a\u4f8b<\/strong>\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u5165\u5341\u8fdb\u5236\u503c\uff1a25.5\uff08FLOAT \u7c7b\u578b\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u81ea\u52a8\u8f6c\u6362\u4e3a\u5bc4\u5b58\u5668\u503c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reg 0: 0x41CC\uff08\u9ad8 16 \u4f4d\uff09<\/li>\n\n\n\n<li>Reg 1: 0x0000\uff08\u4f4e 16 \u4f4d\uff09<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1.4 \u62a5\u6587\u89e3\u6790\u5668<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u529f\u80fd\u8bf4\u660e<\/strong>\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2460 \u7c98\u8d34\u62a5\u6587\uff0c\u81ea\u52a8\u89e3\u6790<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6536\u5230\u8bbe\u5907\u8fd4\u56de\u7684\u62a5\u6587\uff0c\u7c98\u8d34\u8fdb\u53bb\uff0c\u81ea\u52a8\u89e3\u6790\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8f93\u5165\uff08RTU \u6a21\u5f0f\uff09\uff1a<\/strong><\/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;HTML&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;}\">01 03 14 00 0A 00 0B 00 0C 00 0D 00 0E 7A 3B\n<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u81ea\u52a8\u89e3\u6790\uff1a<\/strong><\/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;HTML&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;}\">\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502 \u4ece\u7ad9\u5730\u5740\uff1a01                        \u2502\n\u2502 \u529f\u80fd\u7801\uff1a03\uff08\u8bfb\u4fdd\u6301\u5bc4\u5b58\u5668\uff09          \u2502\n\u2502 \u5b57\u8282\u6570\uff1a20\uff080x14\uff09                  \u2502\n\u2502 \u6570\u636e\u5185\u5bb9\uff1a                          \u2502\n\u2502   Reg 0: 0x000A = 10                \u2502\n\u2502   Reg 1: 0x000B = 11                \u2502\n\u2502   Reg 2: 0x000C = 12                \u2502\n\u2502   Reg 3: 0x000D = 13                \u2502\n\u2502   Reg 4: 0x000E = 14                \u2502\n\u2502 CRC \u6821\u9a8c\uff1a7A3B \u2713\uff08\u6b63\u786e\uff09            \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2461 \u652f\u6301\u4e09\u79cd\u534f\u8bae\u89e3\u6790<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RTU\uff1aCRC16 \u6821\u9a8c<\/li>\n\n\n\n<li>ASCII\uff1aLRC \u6821\u9a8c<\/li>\n\n\n\n<li>TCP\uff1aMBAP \u5934\u89e3\u6790<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2462 \u9519\u8bef\u68c0\u6d4b<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CRC\/LRC \u6821\u9a8c\u9519\u8bef\u63d0\u793a<\/li>\n\n\n\n<li>\u62a5\u6587\u957f\u5ea6\u5f02\u5e38\u63d0\u9192<\/li>\n\n\n\n<li>\u975e\u6cd5\u529f\u80fd\u7801\u8b66\u544a<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1.5 \u5386\u53f2\u8bb0\u5f55<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u529f\u80fd\u8bf4\u660e<\/strong>\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2460 \u81ea\u52a8\u4fdd\u5b58<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u6b21\u751f\u6210\u7684\u62a5\u6587\u81ea\u52a8\u4fdd\u5b58\uff0c\u5305\u542b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u62a5\u6587\u5185\u5bb9<\/li>\n\n\n\n<li>\u751f\u6210\u65f6\u95f4<\/li>\n\n\n\n<li>\u62a5\u6587\u7c7b\u578b\uff08\u8bf7\u6c42\/\u54cd\u5e94\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2461 \u5feb\u6377\u64cd\u4f5c<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u590d\u5236<\/strong>\uff1a\u4e00\u952e\u590d\u5236\u62a5\u6587<\/li>\n\n\n\n<li><strong>\u5fae\u4fe1\u5206\u4eab<\/strong>\uff1a\u53d1\u9001\u7ed9\u540c\u4e8b<\/li>\n\n\n\n<li><strong>\u6e05\u7a7a<\/strong>\uff1a\u6e05\u9664\u5386\u53f2\u8bb0\u5f55<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2462 \u5206\u7c7b\u7ba1\u7406<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bf7\u6c42\u547d\u4ee4\u5386\u53f2<\/li>\n\n\n\n<li>\u54cd\u5e94\u62a5\u6587\u5386\u53f2<\/li>\n\n\n\n<li>\u5206\u522b\u7ba1\u7406\uff0c\u6e05\u6670\u660e\u4e86<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1.6 \u62a5\u6587\u7ed3\u6784\u53ef\u89c6\u5316<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u529f\u80fd\u8bf4\u660e<\/strong>\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u751f\u6210\u7684\u6bcf\u4e2a\u62a5\u6587\uff0c\u90fd\u9644\u5e26\u7ed3\u6784\u89e3\u6790\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u793a\u4f8b\uff08RTU \u8bf7\u6c42\uff09\uff1a<\/strong><\/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;HTML&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;}\">\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502 \u62a5\u6587\u7ed3\u6784\u89e3\u6790                        \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502 \u4ece\u7ad9\u5730\u5740 (Slave Address): 01        \u2502\n\u2502 \u529f\u80fd\u7801 (Function Code): 03          \u2502\n\u2502 \u8d77\u59cb\u5730\u5740 (Start Address): 0000      \u2502\n\u2502 \u6570\u91cf (Quantity): 000A               \u2502\n\u2502 CRC \u6821\u9a8c (CRC Check): C40B          \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u793a\u4f8b\uff08TCP \u8bf7\u6c42\uff09\uff1a<\/strong><\/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;HTML&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;}\">\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502 \u62a5\u6587\u7ed3\u6784\u89e3\u6790                        \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502 \u4e8b\u52a1\u6807\u8bc6\u7b26 (Transaction ID): 0001   \u2502\n\u2502 \u534f\u8bae\u6807\u8bc6\u7b26 (Protocol ID): 0000      \u2502\n\u2502 \u957f\u5ea6 (Length): 0006                 \u2502\n\u2502 \u5355\u5143\u6807\u8bc6\u7b26 (Unit ID): 01            \u2502\n\u2502 \u529f\u80fd\u7801 (Function Code): 03          \u2502\n\u2502 \u8d77\u59cb\u5730\u5740 (Start Address): 0000      \u2502\n\u2502 \u6570\u91cf (Quantity): 000A               \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n<\/pre><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u5b9e\u6218\u6848\u4f8b\uff1a\u5de5\u7a0b\u5e08\u7684\u771f\u5b9e\u4f7f\u7528\u573a\u666f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6848\u4f8b 1\uff1a\u8bfb\u53d6\u6e29\u5ea6\u4f20\u611f\u5668\u6570\u636e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u573a\u666f<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bbe\u5907\uff1a\u67d0\u54c1\u724c\u6e29\u5ea6\u53d8\u9001\u5668<\/li>\n\n\n\n<li>\u901a\u4fe1\uff1aRS485\uff08Modbus RTU\uff09<\/li>\n\n\n\n<li>\u9700\u6c42\uff1a\u8bfb\u53d6 10 \u4e2a\u901a\u9053\u7684\u6e29\u5ea6\u503c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4f20\u7edf\u65b9\u5f0f<\/strong>\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u67e5\u624b\u518c\uff1a\u4fdd\u6301\u5bc4\u5b58\u5668\u5730\u5740 40001-40010<\/li>\n\n\n\n<li>\u624b\u52a8\u8ba1\u7b97\u62a5\u6587\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4ece\u7ad9\u5730\u5740\uff1a01<\/li>\n\n\n\n<li>\u529f\u80fd\u7801\uff1a03<\/li>\n\n\n\n<li>\u8d77\u59cb\u5730\u5740\uff1a40001-1=40000=0x9C40<\/li>\n\n\n\n<li>\u6570\u91cf\uff1a10=0x000A<\/li>\n\n\n\n<li>CRC \u6821\u9a8c\uff1a\u624b\u52a8\u7b97\u6216\u7528\u5728\u7ebf\u5de5\u5177<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u7528\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b\u53d1\u9001<\/li>\n\n\n\n<li>\u6536\u5230\u54cd\u5e94\uff0c\u624b\u52a8\u89e3\u6790<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8017\u65f6<\/strong>\uff1a15-20 \u5206\u949f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4f7f\u7528\u5de5\u5177\u540e<\/strong>\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6253\u5f00\u5de5\u5177\uff0c\u9009\u62e9 Modbus RTU<\/li>\n\n\n\n<li>\u8f93\u5165\u53c2\u6570\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4ece\u7ad9\u5730\u5740\uff1a01<\/li>\n\n\n\n<li>\u529f\u80fd\u7801\uff1a03<\/li>\n\n\n\n<li>\u8d77\u59cb\u5730\u5740\uff1a9C40<\/li>\n\n\n\n<li>\u6570\u91cf\uff1a10<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u70b9\u51fb&#8221;\u751f\u6210\u8bf7\u6c42\u547d\u4ee4&#8221;<\/li>\n\n\n\n<li>\u590d\u5236\u62a5\u6587\uff0c\u53d1\u9001<\/li>\n\n\n\n<li>\u6536\u5230\u54cd\u5e94\uff0c\u7c98\u8d34\u5230\u89e3\u6790\u5668<\/li>\n\n\n\n<li>\u81ea\u52a8\u89e3\u6790\u51fa 10 \u4e2a\u6e29\u5ea6\u503c<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8017\u65f6<\/strong>\uff1a2-3 \u5206\u949f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6548\u7387\u63d0\u5347<\/strong>\uff1a6-10 \u500d<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6848\u4f8b 2\uff1a\u6279\u91cf\u8bbe\u7f6e\u53d8\u9891\u5668\u53c2\u6570<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u573a\u666f<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bbe\u5907\uff1a\u67d0\u54c1\u724c\u53d8\u9891\u5668<\/li>\n\n\n\n<li>\u901a\u4fe1\uff1aModbus RTU<\/li>\n\n\n\n<li>\u9700\u6c42\uff1a\u6279\u91cf\u8bbe\u7f6e 20 \u4e2a\u53c2\u6570<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4f20\u7edf\u65b9\u5f0f<\/strong>\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9010\u4e2a\u53c2\u6570\u5199\u5355\u4e2a\u5bc4\u5b58\u5668\uff08\u529f\u80fd\u7801 06\uff09<\/li>\n\n\n\n<li>\u5199 20 \u6b21\uff0c\u6bcf\u6b21\u8ba1\u7b97\u62a5\u6587<\/li>\n\n\n\n<li>\u5bb9\u6613\u51fa\u9519\uff0c\u91cd\u590d\u52b3\u52a8<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4f7f\u7528\u5de5\u5177\u540e<\/strong>\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9009\u62e9\u529f\u80fd\u7801 10\uff08\u5199\u591a\u4e2a\u5bc4\u5b58\u5668\uff09<\/li>\n\n\n\n<li>\u6dfb\u52a0 20 \u4e2a\u5bc4\u5b58\u5668\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5730\u5740\uff1a\u81ea\u52a8\u8ba1\u7b97<\/li>\n\n\n\n<li>\u6570\u636e\u7c7b\u578b\uff1a\u9009\u62e9<\/li>\n\n\n\n<li>\u6570\u503c\uff1a\u8f93\u5165<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u4e00\u6b21\u751f\u6210\u62a5\u6587<\/li>\n\n\n\n<li>\u53d1\u9001\uff0c\u5b8c\u6210<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8017\u65f6<\/strong>\uff1a\u4ece 1 \u5c0f\u65f6 \u2192 5 \u5206\u949f<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6848\u4f8b 3\uff1a\u8c03\u8bd5\u4e0a\u4f4d\u673a\u8f6f\u4ef6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u573a\u666f<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f00\u53d1\u7ec4\u6001\u738b\/WinCC \u9879\u76ee<\/li>\n\n\n\n<li>\u9700\u8981\u6a21\u62df Modbus \u4ece\u7ad9\u8bbe\u5907<\/li>\n\n\n\n<li>\u6d4b\u8bd5\u4e0a\u4f4d\u673a\u7a0b\u5e8f\u903b\u8f91<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4f7f\u7528\u5de5\u5177<\/strong>\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7528\u54cd\u5e94\u62a5\u6587\u751f\u6210\u5668<\/li>\n\n\n\n<li>\u8bbe\u7f6e\u6a21\u62df\u6570\u636e<\/li>\n\n\n\n<li>\u751f\u6210\u54cd\u5e94\u62a5\u6587<\/li>\n\n\n\n<li>\u53d1\u9001\u7ed9\u4e0a\u4f4d\u673a<\/li>\n\n\n\n<li>\u9a8c\u8bc1\u7a0b\u5e8f\u903b\u8f91<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u597d\u5904<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65e0\u9700\u771f\u5b9e\u8bbe\u5907<\/li>\n\n\n\n<li>\u53ef\u6a21\u62df\u5404\u79cd\u5f02\u5e38<\/li>\n\n\n\n<li>\u63d0\u9ad8\u5f00\u53d1\u6548\u7387<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u6280\u672f\u7ec6\u8282\uff1a\u5de5\u7a0b\u5e08\u5173\u5fc3\u7684<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">3.1 CRC16 \u6821\u9a8c\u7b97\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Modbus RTU \u4f7f\u7528 CRC16\uff08\u5faa\u73af\u5197\u4f59\u6821\u9a8c\uff09\uff1a<\/strong><\/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;HTML&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;}\">\/\/ CRC16 \u8ba1\u7b97\uff08\u4f4e\u5b57\u8282\u5728\u524d\uff09\nfunction calcCRC16(bytes) {\n  let crc = 0xFFFF;\n  for (let i = 0; i &lt; bytes.length; i++) {\n    crc ^= bytes[i];\n    for (let j = 0; j &lt; 8; j++) {\n      if (crc &amp; 0x0001) {\n        crc = (crc &gt;&gt; 1) ^ 0xA001;\n      } else {\n        crc &gt;&gt;= 1;\n      }\n    }\n  }\n  return crc; \/\/ \u4f4e\u5b57\u8282\u5728\u524d\n}\n<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u793a\u4f8b<\/strong>\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;HTML&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;}\">\u62a5\u6587\uff1a01 03 00 00 00 0A\nCRC\uff1aC4 0B\uff08\u4f4e\u5b57\u8282\u5728\u524d\uff09\n\u5b8c\u6574\uff1a01 03 00 00 00 0A C4 0B\n<\/pre><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3.2 LRC \u6821\u9a8c\u7b97\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Modbus ASCII \u4f7f\u7528 LRC\uff08\u7eb5\u5411\u5197\u4f59\u6821\u9a8c\uff09\uff1a<\/strong><\/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;HTML&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;}\">\/\/ LRC \u8ba1\u7b97\nfunction calcLRC(bytes) {\n  let sum = 0;\n  for (let i = 0; i &lt; bytes.length; i++) {\n    sum += bytes[i];\n  }\n  const lrc = ((~sum) + 1) &amp; 0xFF;\n  return lrc;\n}\n<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u793a\u4f8b<\/strong>\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;HTML&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;}\">\u62a5\u6587\uff1a01 03 00 00 00 0A\nLRC\uff1aFB\n\u5b8c\u6574\uff1a:01030000000AFB\n<\/pre><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3.3 \u5b57\u8282\u5e8f\u95ee\u9898<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>32 \u4f4d\u6570\u636e\uff08UINT32\/INT32\/FLOAT\uff09\u7684\u5b57\u8282\u5e8f\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5b57\u8282\u5e8f<\/th><th>\u540d\u79f0<\/th><th>\u793a\u4f8b\uff080x12345678\uff09<\/th><\/tr><\/thead><tbody><tr><td>AB<\/td><td>Big Endian<\/td><td>12 34 56 78<\/td><\/tr><tr><td>BA<\/td><td>Little Endian<\/td><td>34 12 78 56<\/td><\/tr><tr><td>CDAB<\/td><td>Mixed<\/td><td>56 78 12 34<\/td><\/tr><tr><td>BADC<\/td><td>Mixed<\/td><td>78 56 34 12<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5de5\u5177\u652f\u6301\u81ea\u52a8\u8f6c\u6362\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9009\u62e9\u5b57\u8282\u5e8f<\/li>\n\n\n\n<li>\u8f93\u5165\u5341\u8fdb\u5236\u503c<\/li>\n\n\n\n<li>\u81ea\u52a8\u8f6c\u6362\u4e3a\u5bc4\u5b58\u5668\u503c<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3.4 Modbus TCP \u7684 MBAP \u5934<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Modbus TCP \u62a5\u6587\u7ed3\u6784\uff1a<\/strong><\/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;HTML&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;}\">\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502 MBAP \u5934\uff087 \u5b57\u8282\uff09                   \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502 \u4e8b\u52a1\u6807\u8bc6\u7b26\uff082 \u5b57\u8282\uff09                \u2502\n\u2502 \u534f\u8bae\u6807\u8bc6\u7b26\uff082 \u5b57\u8282\uff09=0              \u2502\n\u2502 \u957f\u5ea6\uff082 \u5b57\u8282\uff09                      \u2502\n\u2502 \u5355\u5143\u6807\u8bc6\u7b26\uff081 \u5b57\u8282\uff09=\u4ece\u7ad9\u5730\u5740       \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502 PDU\uff08\u529f\u80fd\u7801 + \u6570\u636e\uff09                \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u793a\u4f8b<\/strong>\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;HTML&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;}\">00 01 00 00 00 06 01 03 00 00 00 0A\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500 \u6570\u91cf\u4f4e\u5b57\u8282\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u6570\u91cf\u9ad8\u5b57\u8282\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u8d77\u59cb\u5730\u5740\u4f4e\u5b57\u8282\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u8d77\u59cb\u5730\u5740\u9ad8\u5b57\u8282\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u529f\u80fd\u7801\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u5355\u5143\u6807\u8bc6\u7b26\n\u2502  \u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u957f\u5ea6\uff086 \u5b57\u8282\uff09\n\u2502  \u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u534f\u8bae\u6807\u8bc6\u7b26\uff080=Modbus\uff09\n\u2502  \u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u4e8b\u52a1\u6807\u8bc6\u7b26\u4f4e\u5b57\u8282\n\u2502  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u4e8b\u52a1\u6807\u8bc6\u7b26\u9ad8\u5b57\u8282\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 MBAP \u5934\n<\/pre><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u7528\u6237\u53cd\u9988\uff1a\u5de5\u7a0b\u5e08\u600e\u4e48\u8bf4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u53cd\u9988 1\uff1a\u81ea\u52a8\u5316\u5de5\u7a0b\u5e08\uff085 \u5e74\u7ecf\u9a8c\uff09<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;\u4ee5\u524d\u624b\u52a8\u7b97 Modbus \u62a5\u6587\uff0c\u7ecf\u5e38\u7b97\u9519\u3002\u73b0\u5728\u7528\u8fd9\u4e2a\u5de5\u5177\uff0c\u70b9\u51e0\u4e0b\u5c31\u751f\u6210\uff0cCRC \u81ea\u52a8\u8ba1\u7b97\uff0c\u592a\u65b9\u4fbf\u4e86\uff01\u6548\u7387\u81f3\u5c11\u63d0\u5347 5 \u500d\u3002&#8221;<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u53cd\u9988 2\uff1a\u7535\u6c14\u5de5\u7a0b\u5e08\uff0810 \u5e74\u7ecf\u9a8c\uff09<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;\u652f\u6301\u4e09\u79cd\u534f\u8bae\uff0c\u4e0d\u7528\u5207\u6362\u5de5\u5177\u4e86\u3002\u7279\u522b\u662f TCP \u7684 MBAP \u5934\uff0c\u4ee5\u524d\u8001\u662f\u641e\u6df7\uff0c\u73b0\u5728\u81ea\u52a8\u751f\u6210\uff0c\u4e0d\u4f1a\u9519\u3002&#8221;<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u53cd\u9988 3\uff1aPLC \u5de5\u7a0b\u5e08\uff088 \u5e74\u7ecf\u9a8c\uff09<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;\u54cd\u5e94\u62a5\u6587\u751f\u6210\u5668\u5f88\u597d\u7528\uff0c\u6a21\u62df\u4ece\u7ad9\u8bbe\u5907\u6d4b\u8bd5 PLC \u7a0b\u5e8f\uff0c\u65e0\u9700\u771f\u5b9e\u8bbe\u5907\uff0c\u5f00\u53d1\u6548\u7387\u63d0\u9ad8\u5f88\u591a\u3002&#8221;<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u53cd\u9988 4\uff1a\u8c03\u8bd5\u5de5\u7a0b\u5e08\uff083 \u5e74\u7ecf\u9a8c\uff09<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;\u5386\u53f2\u8bb0\u5f55\u529f\u80fd\u5f88\u5b9e\u7528\uff0c\u6628\u5929\u8c03\u597d\u7684\u62a5\u6587\uff0c\u4eca\u5929\u76f4\u63a5\u590d\u5236\uff0c\u4e0d\u7528\u91cd\u65b0\u7b97\u3002\u5fae\u4fe1\u5206\u4eab\u4e5f\u5f88\u65b9\u4fbf\uff0c\u53d1\u7ed9\u540c\u4e8b\u4e00\u8d77\u8c03\u8bd5\u3002&#8221;<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u5199\u5728\u6700\u540e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u505a\u8fd9\u4e2a\u5de5\u5177\uff0c\u4e0d\u662f\u4e3a\u4e86\u53d6\u4ee3\u5de5\u7a0b\u5e08\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u800c\u662f\u4e3a\u4e86\u89e3\u653e\u4eba\u529b\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ba9\u5de5\u7a0b\u5e08\u4e0d\u518d\u624b\u52a8\u8ba1\u7b97\u62a5\u6587\uff0c\u4e0d\u518d\u8bb0\u590d\u6742\u7684\u516c\u5f0f\uff0c\u4e0d\u518d\u4e3a CRC \u6821\u9a8c\u53d1\u6101\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ba9\u5927\u5bb6\u628a\u65f6\u95f4\u82b1\u5728\u66f4\u6709\u4ef7\u503c\u7684\u4e8b\u60c5\u4e0a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7cfb\u7edf\u67b6\u6784\u8bbe\u8ba1<\/li>\n\n\n\n<li>\u63a7\u5236\u903b\u8f91\u4f18\u5316<\/li>\n\n\n\n<li>\u73b0\u573a\u95ee\u9898\u89e3\u51b3<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5de5\u5177\u4e0d\u662f\u654c\u4eba\uff0c\u800c\u662f\u5e2e\u624b\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5584\u7528\u5de5\u5177\u7684\u5de5\u7a0b\u5e08\uff0c\u4f1a\u6dd8\u6c70\u4e0d\u7528\u5de5\u5177\u7684\u5de5\u7a0b\u5e08\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e0c\u671b\u8fd9\u4e2a\u5de5\u5177\u80fd\u5e2e\u5230\u66f4\u591a\u540c\u884c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u9644\u5f55\uff1a\u4f7f\u7528\u65b9\u5f0f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4f7f\u7528\u65b9\u5f0f 1\uff1a\u5fae\u4fe1\u626b\u7801<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img data-dominant-color=\"e1e5e2\" data-has-transparency=\"false\" style=\"--dominant-color: #e1e5e2;\" loading=\"lazy\" decoding=\"async\" width=\"344\" height=\"344\" sizes=\"auto, (max-width: 344px) 100vw, 344px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/03\/20260105173518752.webp\"  class=\"wp-image-38401 not-transparent\" srcset=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/03\/20260105173518752.webp 344w, https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/03\/20260105173518752.webp?x-oss-process=image\/resize,m_lfit,w_100,h_100 100w, https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/03\/20260105173518752.webp?x-oss-process=image\/resize,m_lfit,w_300,h_300 300w\" \/ loading=\"lazy\" title=\"Modbus \u5de5\u7a0b\u5e08\u5fc5\u5907\u795e\u5668\uff01RTU\/TCP\/ASCII \u62a5\u6587\u751f\u6210\u89e3\u6790\u5668\uff0c\u6548\u7387\u63d0\u5347 10 \u500d\u63d2\u56fe\" alt=\"Modbus \u5de5\u7a0b\u5e08\u5fc5\u5907\u795e\u5668\uff01RTU\/TCP\/ASCII \u62a5\u6587\u751f\u6210\u89e3\u6790\u5668\uff0c\u6548\u7387\u63d0\u5347 10 \u500d\u63d2\u56fe\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4f7f\u7528\u65b9\u5f0f 2\uff1a\u5fae\u4fe1\u641c\u7d22<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u641c\u7d22&#8221;Modbus \u8c03\u8bd5\u52a9\u624b&#8221;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5173\u4e8e\u4f5c\u8005<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">20 \u5e74\u5de5\u4e1a\u81ea\u52a8\u5316\u7ecf\u9a8c\uff0c\u5f85\u8fc7\u8bbe\u5907\u5382\u5546\u3001\u96c6\u6210\u5546\u3001\u7532\u65b9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u4e13\u6ce8\u4e8e\u5de5\u4e1a\u7269\u8054\u7f51\u3001\u8fb9\u7f18\u8ba1\u7b97\u3001\u667a\u80fd\u63a7\u5236\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6b22\u8fce\u4ea4\u6d41\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udce7 \u90ae\u7bb1\uff1a<a href=\"mailto:support@modbus.cn\" rel=\"noopener noreferrer nofollow\">support@modbus.cn<\/a><\/li>\n\n\n\n<li>\ud83d\udcac \u5fae\u4fe1\u7fa4\uff1a\u626b\u7801\u6dfb\u52a0\u52a9\u624b\u5165\u7fa4<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u5982\u679c\u89c9\u5f97\u6709\u7528\uff0c\u6b22\u8fce <strong>\u70b9\u8d5e + \u5728\u770b + \u8f6c\u53d1<\/strong> \u652f\u6301\u4e00\u4e0b\uff01<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u8f6c\u53d1\u7ed9\u66f4\u591a\u7535\u6c14\u5de5\u7a0b\u5e08\uff0c\u4e00\u8d77\u7528\u5de5\u5177\u63d0\u6548\uff01<\/em><\/p>\n<span id=\"magicpostMarker\"><\/span>","protected":false},"excerpt":{"rendered":"<p>AI \u667a\u80fd\u62a5\u4ef7\u7cfb\u7edf\uff0c\u57fa\u4e8e\u767e\u70bc\u5927\u6a21\u578b\uff0c\u81ea\u52a8\u5206\u6790\u9700\u6c42\u3001\u63a8\u8350\u8bbe\u5907\u3001\u751f\u6210\u62a5\u4ef7\u6e05\u5355\uff0c\u6548\u7387\u63d0\u5347 5760 \u500d\uff01<\/p>","protected":false},"author":4698,"featured_media":38401,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[3095],"tags":[241,237,1714,560,559],"class_list":["post-41694","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-slug-device-registers","tag-rtu","tag-tcp","tag-1714","tag-560","tag-559"],"_links":{"self":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/41694","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\/4698"}],"replies":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/comments?post=41694"}],"version-history":[{"count":0,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/41694\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media\/38401"}],"wp:attachment":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media?parent=41694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/categories?post=41694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/tags?post=41694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}