{"id":30001,"date":"2025-04-20T15:31:00","date_gmt":"2025-04-20T07:31:00","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/30001.html"},"modified":"2025-04-20T15:31:00","modified_gmt":"2025-04-20T07:31:00","slug":"%e4%bd%bf%e7%94%a8c%e5%ae%9e%e7%8e%b0%e4%b8%89%e8%8f%b1plc%e6%95%b0%e6%8d%ae%e4%b8%8a%e4%bc%a0%e8%87%b3%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e5%85%a8%e8%bf%87%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/30001.html","title":{"rendered":"\u4f7f\u7528C#\u5b9e\u73b0\u4e09\u83f1PLC\u6570\u636e\u4e0a\u4f20\u81f3\u670d\u52a1\u5668\u7684\u5168\u8fc7\u7a0b"},"content":{"rendered":"<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250420073059-6804a2b303d67.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom\" \/><\/p>\n<p> \u7b80\u4ecb&#xff1a;\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d&#xff0c;\u4e09\u83f1PLC\u662f\u4e00\u4e2a\u5173\u952e\u89d2\u8272&#xff0c;\u901a\u8fc7\u7f16\u7a0b\u8bed\u8a00C#\u5b9e\u73b0\u5b9e\u65f6\u6570\u636e\u4e0a\u4f20\u5230\u670d\u52a1\u5668\u662f\u8fdc\u7a0b\u76d1\u63a7\u548c\u6570\u636e\u5206\u6790\u7684\u5fc5\u8981\u6b65\u9aa4\u3002\u672c\u6587\u4ecb\u7ecd\u5982\u4f55\u8bbe\u7f6e\u548c\u8bfb\u53d6\u4e09\u83f1PLC\u7684\u6570\u636e&#xff0c;\u5229\u7528MODBUS TCP\/IP\u534f\u8bae\u548cNModbus\u5e93&#xff0c;\u901a\u8fc7C#\u7f16\u5199\u7a0b\u5e8f\u6765\u8bfb\u53d6PLC\u5bc4\u5b58\u5668\u6570\u636e&#xff0c;\u5e76\u5c06\u5904\u7406\u540e\u7684\u6570\u636e\u53d1\u9001\u5230\u670d\u52a1\u5668\u3002\u7a0b\u5e8f\u8fd8\u5305\u542b\u6570\u636e\u5904\u7406\u3001\u5f02\u5e38\u5904\u7406\u3001\u5b9a\u65f6\u4efb\u52a1\u7684\u5b9e\u73b0&#xff0c;\u5e76\u6982\u8ff0\u4e86\u670d\u52a1\u5668\u7aef\u63a5\u53e3\u7684\u8981\u6c42\u3002 <img decoding=\"async\" alt=\"\u4e09\u83f1plc\u6570\u636e\u8bfb\u53d6\u5e76\u53d1\u9001\u81f3\u670d\u52a1\u5668\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250420073059-6804a2b320ac5.jpg\" \/><\/p>\n<h2> 1. \u4e09\u83f1PLC\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u7684\u4f5c\u7528 <\/h2>\n<h3> 1.1 PLC\u7684\u5b9a\u4e49\u548c\u4f5c\u7528 <\/h3>\n<p> PLC&#xff08;Programmable Logic Controller&#xff0c;\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668&#xff09;\u662f\u5de5\u4e1a\u81ea\u52a8\u5316\u7684\u6838\u5fc3\u8bbe\u5907&#xff0c;\u5b83\u53ef\u4ee5\u6839\u636e\u7528\u6237\u7684\u7a0b\u5e8f\u8fdb\u884c\u903b\u8f91\u63a7\u5236\u3002\u4e09\u83f1PLC\u662f\u5176\u4e2d\u7684\u4f7c\u4f7c\u8005&#xff0c;\u4ee5\u5176\u9ad8\u6027\u80fd\u3001\u9ad8\u53ef\u9760\u6027\u548c\u6613\u4e8e\u7f16\u7a0b\u7684\u7279\u70b9&#xff0c;\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\u3002 <\/p>\n<h3> 1.2 \u4e09\u83f1PLC\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u7684\u5e94\u7528 <\/h3>\n<p> \u4e09\u83f1PLC\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u7684\u5e94\u7528\u5e7f\u6cdb&#xff0c;\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u6c7d\u8f66\u5236\u9020\u3001\u7535\u6c14\u63a7\u5236\u3001\u98df\u54c1\u52a0\u5de5\u3001\u7eba\u7ec7\u7b49\u884c\u4e1a\u3002\u5b83\u53ef\u4ee5\u5e2e\u52a9\u4f01\u4e1a\u5b9e\u73b0\u751f\u4ea7\u8fc7\u7a0b\u7684\u81ea\u52a8\u5316&#xff0c;\u63d0\u9ad8\u751f\u4ea7\u6548\u7387&#xff0c;\u964d\u4f4e\u751f\u4ea7\u6210\u672c&#xff0c;\u540c\u65f6\u4e5f\u80fd\u591f\u63d0\u9ad8\u751f\u4ea7\u8fc7\u7a0b\u7684\u5b89\u5168\u6027\u3002 <\/p>\n<h3> 1.3 \u4e09\u83f1PLC\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u7684\u4f18\u52bf <\/h3>\n<p> \u4e09\u83f1PLC\u7684\u4e3b\u8981\u4f18\u52bf\u5728\u4e8e\u5176\u5f3a\u5927\u7684\u529f\u80fd\u548c\u7a33\u5b9a\u6027&#xff0c;\u5b83\u80fd\u591f\u627f\u53d7\u6076\u52a3\u7684\u5de5\u4f5c\u73af\u5883&#xff0c;\u5982\u9ad8\u6e29\u3001\u9ad8\u6e7f\u3001\u591a\u5c18\u7b49\u3002\u540c\u65f6&#xff0c;\u4e09\u83f1PLC\u7684\u7f16\u7a0b\u7b80\u5355&#xff0c;\u6613\u4e8e\u64cd\u4f5c\u548c\u7ef4\u62a4&#xff0c;\u4f7f\u5f97\u4f01\u4e1a\u80fd\u591f\u5feb\u901f\u54cd\u5e94\u5e02\u573a\u53d8\u5316&#xff0c;\u63d0\u9ad8\u7ade\u4e89\u529b\u3002 <\/p>\n<h2> 2. MODBUS TCP\/IP\u534f\u8bae\u7684\u5e94\u7528 <\/h2>\n<h3> 2.1 MODBUS\u534f\u8bae\u6982\u8ff0 <\/h3>\n<h4> 2.1.1 MODBUS\u534f\u8bae\u7684\u53d1\u5c55\u5386\u7a0b <\/h4>\n<p> MODBUS\u534f\u8bae\u6700\u65e9\u4e8e1979\u5e74\u53d1\u5e03&#xff0c;\u6700\u521d\u7531Modicon\u516c\u53f8\u5f00\u53d1&#xff0c;\u7528\u4e8e\u8fde\u63a5\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668&#xff08;PLC&#xff09;\u3002\u7ecf\u8fc7\u51e0\u5341\u5e74\u7684\u53d1\u5c55&#xff0c;MODBUS\u5df2\u6210\u4e3a\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u4e2d\u5e7f\u6cdb\u4f7f\u7528\u7684\u901a\u4fe1\u534f\u8bae\u4e4b\u4e00\u3002\u5b83\u4f5c\u4e3a\u4e00\u79cd\u5f00\u653e\u6027\u7684\u6807\u51c6&#xff0c;\u53ef\u7528\u4e8e\u4e0d\u540c\u5382\u5546\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1&#xff0c;\u652f\u6301\u591a\u79cd\u786c\u4ef6\u5e73\u53f0\u548c\u64cd\u4f5c\u7cfb\u7edf\u3002 <\/p>\n<p> MODBUS\u7684\u8de8\u5e73\u53f0\u6027\u548c\u6613\u7528\u6027\u4f7f\u5176\u8fc5\u901f\u5728\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u4e2d\u5360\u636e\u4e86\u4e00\u5e2d\u4e4b\u5730\u3002\u968f\u7740\u6280\u672f\u7684\u8fdb\u6b65&#xff0c;MODBUS\u4e5f\u88ab\u4e0d\u65ad\u4f18\u5316&#xff0c;\u589e\u52a0\u4e86\u66f4\u591a\u7684\u529f\u80fd\u548c\u6539\u8fdb\u3002\u5982\u4eca&#xff0c;MODBUS\u534f\u8bae\u4e0d\u4ec5\u9650\u4e8e\u4f20\u7edf\u7684\u4e32\u884c\u7ebf\u8def\u4e0a\u8fd0\u884c&#xff0c;\u800c\u4e14\u5df2\u7ecf\u6269\u5c55\u5230\u7f51\u7edc\u73af\u5883\u4e2d&#xff0c;\u5c24\u5176\u662fMODBUS TCP\/IP\u534f\u8bae&#xff0c;\u5df2\u7ecf\u6210\u4e3a\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u901a\u4fe1\u6807\u51c6\u3002 <\/p>\n<h4> 2.1.2 MODBUS\u534f\u8bae\u7684\u7279\u70b9\u4e0e\u4f18\u52bf <\/h4>\n<p> MODBUS\u534f\u8bae\u7684\u4e3b\u8981\u7279\u70b9\u5728\u4e8e\u5176\u7b80\u6d01\u6027\u548c\u5f00\u653e\u6027\u3002\u5b83\u91c7\u7528\u4e3b\u4ece\u67b6\u6784&#xff0c;\u4e00\u6761\u901a\u4fe1\u7ebf\u4e0a\u53ef\u4ee5\u8fde\u63a5\u591a\u8fbe247\u4e2a\u8bbe\u5907&#xff0c;\u6bcf\u4e2a\u8bbe\u5907\u90fd\u6709\u552f\u4e00\u7684\u5730\u5740\u6807\u8bc6\u3002\u8fd9\u79cd\u7ed3\u6784\u4e0d\u4ec5\u4fdd\u8bc1\u4e86\u901a\u4fe1\u7684\u9ad8\u6548\u6027&#xff0c;\u4e5f\u63d0\u4f9b\u4e86\u826f\u597d\u7684\u6269\u5c55\u6027\u3002 <\/p>\n<p> MODBUS\u534f\u8bae\u7684\u4f18\u52bf\u4e3b\u8981\u8868\u73b0\u5728&#xff1a; <\/p>\n<ul>\n<li>  \u6807\u51c6\u5316\u548c\u4e92\u64cd\u4f5c\u6027  &#xff1a;\u4f5c\u4e3a\u5f00\u653e\u6807\u51c6&#xff0c;MODBUS\u534f\u8bae\u5141\u8bb8\u4e0d\u540c\u5236\u9020\u5546\u7684\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\u3002 <\/li>\n<li>  \u6613\u4e8e\u5b9e\u65bd  &#xff1a;\u7531\u4e8e\u5176\u7b80\u5355\u7684\u8bf7\u6c42\/\u54cd\u5e94\u6a21\u578b\u548c\u6700\u5c0f\u5316\u7684\u6307\u4ee4\u96c6&#xff0c;MODBUS\u6613\u4e8e\u5728\u5404\u79cd\u786c\u4ef6\u548c\u8f6f\u4ef6\u5e73\u53f0\u4e0a\u5b9e\u73b0\u3002 <\/li>\n<li>  \u6210\u672c\u6548\u76ca  &#xff1a;\u4f5c\u4e3a\u4e00\u4e2a\u516c\u5171\u534f\u8bae&#xff0c;MODBUS\u901a\u5e38\u4e0d\u9700\u8981\u652f\u4ed8\u989d\u5916\u7684\u8bb8\u53ef\u8d39&#xff0c;\u964d\u4f4e\u4e86\u5f00\u53d1\u6210\u672c\u3002 <\/li>\n<li>  \u7075\u6d3b\u6027  &#xff1a;\u7528\u6237\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u4f7f\u7528\u4e32\u884c\u901a\u8baf\u6216TCP\/IP\u534f\u8bae&#xff0c;\u540e\u8005\u652f\u6301\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u7f51\u7edc\u6269\u5c55\u3002 <\/li>\n<\/ul>\n<h3> 2.2 MODBUS TCP\/IP\u534f\u8bae\u8be6\u89e3 <\/h3>\n<h4> 2.2.1 TCP\/IP\u5728MODBUS\u4e2d\u7684\u89d2\u8272 <\/h4>\n<p> MODBUS TCP\/IP\u662fMODBUS\u534f\u8bae\u5728TCP\/IP\u7f51\u7edc\u73af\u5883\u4e0b\u7684\u5b9e\u73b0\u3002\u5b83\u5141\u8bb8MODBUS\u6d88\u606f\u4ee5TCP\u6570\u636e\u5305\u7684\u5f62\u5f0f\u5728\u7f51\u7edc\u4e0a\u8fdb\u884c\u4f20\u8f93\u3002\u5728MODBUS TCP\/IP\u4e2d&#xff0c;\u6bcf\u4e2aMODBUS\u529f\u80fd\u7801\u90fd\u6709\u76f8\u5e94\u7684TCP\u7aef\u53e3\u7528\u4e8e\u901a\u4fe1&#xff0c;\u4f8b\u5982502\u7aef\u53e3\u901a\u5e38\u662fMODBUS\u670d\u52a1\u5668\u76d1\u542c\u7684\u9ed8\u8ba4\u7aef\u53e3\u3002 <\/p>\n<p> \u4f7f\u7528TCP\/IP\u534f\u8bae&#xff0c;MODBUS\u80fd\u591f\u5728\u5c40\u57df\u7f51&#xff08;LAN&#xff09;\u751a\u81f3\u4e92\u8054\u7f51\u4e0a\u5b9e\u73b0\u6570\u636e\u7684\u53ef\u9760\u4f20\u8f93\u3002\u8fd9\u5c31\u610f\u5473\u7740\u5373\u4f7f\u662f\u5206\u6563\u5728\u4e0d\u540c\u5730\u7406\u4f4d\u7f6e\u7684\u8bbe\u5907\u4e5f\u80fd\u901a\u8fc7MODBUS TCP\/IP\u8fdb\u884c\u901a\u4fe1\u3002\u6b64\u5916&#xff0c;TCP\u534f\u8bae\u7684\u6d41\u63a7\u5236\u548c\u9519\u8bef\u68c0\u6d4b\u673a\u5236\u6709\u52a9\u4e8e\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u548c\u5b8c\u6574\u6027\u3002 <\/p>\n<h4> 2.2.2 MODBUS TCP\/IP\u6570\u636e\u5305\u7ed3\u6784 <\/h4>\n<p> MODBUS TCP\/IP\u6570\u636e\u5305\u7531\u5e94\u7528\u6570\u636e\u5355\u5143&#xff08;ADU&#xff09;\u7ec4\u6210&#xff0c;\u5b83\u5305\u62ecMODBUS\u5e94\u7528\u534f\u8bae\u6570\u636e\u5355\u5143&#xff08;APDU&#xff09;\u548cTCP\/IP\u5934\u90e8\u4fe1\u606f\u3002TCP\u5934\u90e8\u4fe1\u606f\u5305\u542b\u4e86\u6e90\u7aef\u53e3\u548c\u76ee\u6807\u7aef\u53e3\u3001\u5e8f\u5217\u53f7\u3001\u786e\u8ba4\u53f7\u7b49\u5173\u952e\u4fe1\u606f&#xff0c;\u800cMODBUS APDU\u5219\u5305\u62ec\u8bbe\u5907\u5730\u5740\u3001\u529f\u80fd\u7801\u3001\u6570\u636e\u7b49\u3002 <\/p>\n<p> \u4ee5\u4e0b\u662f\u4e00\u4e2aMODBUS TCP\/IP\u6570\u636e\u5305\u7684\u7ed3\u6784\u793a\u4f8b&#xff1a; <\/p>\n<p>&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<br \/>\n| TCP\/IP Header     | MODBUS TCP\/IP Application Data Unit (ADU)     |<br \/>\n| (20 bytes min)    |                                               |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<br \/>\n| Source Port       | MODBUS Header                                 |<br \/>\n| (2 bytes)         | Transaction Identifier (2 bytes)             |<br \/>\n|                   | Protocol Identifier (2 bytes)                |<br \/>\n|                   | Length (2 bytes)                              |<br \/>\n|                   | Unit Identifier (1 byte)                     |<br \/>\n|                   | Function Code (1 byte)                       |<br \/>\n|                   | Data                                         |<br \/>\n|                   | Error Check (CRC-16) (2 bytes)               |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<\/p>\n<h4> 2.2.3 \u4e0e\u4f20\u7edfMODBUS RTU\u534f\u8bae\u7684\u6bd4\u8f83 <\/h4>\n<p> MODBUS RTU&#xff08;Remote Terminal Unit&#xff09;\u662fMODBUS\u534f\u8bae\u7684\u53e6\u4e00\u79cd\u5b9e\u73b0\u5f62\u5f0f&#xff0c;\u4e3b\u8981\u7528\u4e8e\u4e32\u884c\u901a\u4fe1&#xff0c;\u6bd4\u5982RS-232\u3001RS-485\u6216RS-422\u3002MODBUS TCP\/IP\u4e0eMODBUS RTU\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u4f20\u8f93\u5c42\u7684\u4e0d\u540c&#xff0c;RTU\u4f7f\u7528\u4e32\u884c\u7ebf\u8def&#xff0c;\u800cTCP\/IP\u5219\u4f7f\u7528IP\u7f51\u7edc\u3002 <\/p>\n<p> \u5728MODBUS RTU\u4e2d&#xff0c;\u6307\u4ee4\u5e27\u7684\u5f00\u59cb\u548c\u7ed3\u675f\u662f\u901a\u8fc7\u5e27\u95f4\u9694\u548c\u6821\u9a8c\u6765\u786e\u5b9a\u7684&#xff0c;\u800cMODBUS TCP\/IP\u5219\u4f9d\u8d56\u4e8eTCP\/IP\u534f\u8bae\u7684\u5c42\u6b21\u7ed3\u6784\u6765\u4fdd\u8bc1\u6570\u636e\u7684\u4f20\u8f93\u3002MODBUS TCP\/IP\u4e0d\u9700\u8981\u5e27\u95f4\u9694\u548c\u6821\u9a8c\u7801&#xff0c;\u5b83\u4f9d\u8d56TCP\u6765\u63d0\u4f9b\u6d41\u63a7\u5236\u548c\u9519\u8bef\u68c0\u6d4b\u3002 <\/p>\n<p> \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5316\u7684\u5bf9\u6bd4\u8868\u683c&#xff0c;\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u4e24\u8005\u4e4b\u95f4\u7684\u5dee\u5f02&#xff1a; <\/p>\n<p> | \u7279\u6027 | MODBUS RTU | MODBUS TCP\/IP | |&#8212;&#8211;|&#8212;&#8212;&#8212;&#8212;|&#8212;&#8212;&#8212;&#8212;&#8212;| |\u4f20\u8f93\u5a92\u4ecb|\u4e32\u884c\u7ebf\u8def|IP\u7f51\u7edc| |\u5e27\u7ed3\u6784|\u9700\u8981\u5e27\u95f4\u9694\u548c\u6821\u9a8c|\u4f9d\u8d56TCP\/IP\u534f\u8bae\u6808| |\u6570\u636e\u91cf\u9650\u5236|\u6709\u6700\u5927\u6570\u636e\u91cf\u9650\u5236|\u7406\u8bba\u4e0a\u65e0\u9650\u5236&#xff0c;\u53d7TCP\u7a97\u53e3\u5927\u5c0f\u5f71\u54cd| |\u7f51\u7edc\u62d3\u6251|\u70b9\u5bf9\u70b9\u6216\u591a\u70b9|\u7f51\u7edc\u53ef\u8fbe\u6027\u9ad8| |\u8bca\u65ad|\u76f8\u5bf9\u56f0\u96be&#xff0c;\u901a\u5e38\u9700\u8981\u989d\u5916\u7684\u5de5\u5177|\u6613\u4e8e\u901a\u8fc7\u7f51\u7edc\u5de5\u5177\u8fdb\u884c\u8bca\u65ad| |\u6269\u5c55\u6027|\u53d7\u9650\u4e8e\u5e03\u7ebf\u548c\u8ddd\u79bb|\u6613\u4e8e\u6269\u5c55\u5230\u5e7f\u57df\u7f51| <\/p>\n<h3> 2.3 MODBUS TCP\/IP\u5728\u4e09\u83f1PLC\u4e2d\u7684\u5e94\u7528\u5b9e\u4f8b <\/h3>\n<h4> 2.3.1 \u5b9e\u73b0\u6b65\u9aa4\u548c\u6570\u636e\u4ea4\u6362\u6d41\u7a0b <\/h4>\n<p> \u5728\u4e09\u83f1PLC\u4e2d\u5b9e\u73b0MODBUS TCP\/IP\u901a\u4fe1\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u6b65\u9aa4&#xff1a; <\/p>\n<li>  \u914d\u7f6e\u7f51\u7edc\u53c2\u6570  &#xff1a;\u786e\u4fdd\u4e09\u83f1PLC\u7684\u7f51\u7edc\u53c2\u6570&#xff08;\u5982IP\u5730\u5740\u3001\u5b50\u7f51\u63a9\u7801\u548c\u7f51\u5173&#xff09;\u4e0e\u7f51\u7edc\u4e2d\u7684\u5176\u4ed6\u8bbe\u5907\u517c\u5bb9\u3002 <\/li>\n<li>  \u8bbe\u7f6eMODBUS\u529f\u80fd\u7801  &#xff1a;\u6839\u636e\u9700\u8981\u8bfb\u53d6\u6216\u5199\u5165\u7684\u5bc4\u5b58\u5668\u7c7b\u578b&#xff0c;\u9009\u62e9\u9002\u5f53\u7684MODBUS\u529f\u80fd\u7801\u3002 <\/li>\n<li>  \u6784\u5efa\u6570\u636e\u5305  &#xff1a;\u521b\u5efa\u7b26\u5408MODBUS TCP\/IP\u534f\u8bae\u7684\u6570\u636e\u5305&#xff0c;\u5305\u62ec\u6b63\u786e\u7684\u5934\u90e8\u4fe1\u606f\u548cMODBUS\u6d88\u606f\u3002 <\/li>\n<li>  \u53d1\u9001\u8bf7\u6c42  &#xff1a;\u901a\u8fc7\u7f51\u7edc\u5c06\u6570\u636e\u5305\u53d1\u9001\u5230\u76ee\u6807\u8bbe\u5907&#xff08;\u5982\u670d\u52a1\u5668\u6216PC\u673a&#xff09;\u3002 <\/li>\n<li>  \u5904\u7406\u54cd\u5e94  &#xff1a;\u63a5\u6536\u5e76\u89e3\u6790\u6765\u81ea\u76ee\u6807\u8bbe\u5907\u7684\u54cd\u5e94\u6570\u636e\u5305&#xff0c;\u5e76\u6267\u884c\u76f8\u5e94\u7684\u6570\u636e\u5904\u7406\u3002 <\/li>\n<p> \u6570\u636e\u4ea4\u6362\u6d41\u7a0b\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u6b65\u9aa4\u56fe&#xff1a; <\/p>\n<p>graph LR<br \/>\nA[\u5f00\u59cb] &#8211;&gt; B[\u914d\u7f6e\u4e09\u83f1PLC\u7f51\u7edc\u53c2\u6570]<br \/>\nB &#8211;&gt; C[\u6784\u5efaMODBUS TCP\/IP\u6570\u636e\u5305]<br \/>\nC &#8211;&gt; D[\u53d1\u9001\u6570\u636e\u5305\u5230\u76ee\u6807\u8bbe\u5907]<br \/>\nD &#8211;&gt; E[\u63a5\u6536\u76ee\u6807\u8bbe\u5907\u54cd\u5e94]<br \/>\nE &#8211;&gt; F[\u89e3\u6790\u54cd\u5e94\u6570\u636e\u5e76\u5904\u7406]<br \/>\nF &#8211;&gt; G[\u7ed3\u675f]<\/p>\n<h4> 2.3.2 \u5e38\u89c1\u95ee\u9898\u548c\u89e3\u51b3\u65b9\u6848 <\/h4>\n<p> \u5728\u5b9e\u9645\u5e94\u7528\u4e2d&#xff0c;\u53ef\u80fd\u9047\u5230\u7684\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5\u5982\u4e0b&#xff1a; <\/p>\n<ul>\n<li>  \u901a\u4fe1\u6545\u969c  &#xff1a;\u68c0\u67e5\u7f51\u7edc\u8fde\u63a5\u3001IP\u5730\u5740\u914d\u7f6e\u3001\u7aef\u53e3\u8bbe\u7f6e\u7b49\u662f\u5426\u6b63\u786e\u3002 <\/li>\n<li>  \u6570\u636e\u4e0d\u4e00\u81f4  &#xff1a;\u786e\u8ba4\u529f\u80fd\u7801\u548c\u5bc4\u5b58\u5668\u5730\u5740\u662f\u5426\u4e0ePLC\u5185\u5b9e\u9645\u914d\u7f6e\u76f8\u7b26\u3002 <\/li>\n<li>  \u54cd\u5e94\u8d85\u65f6  &#xff1a;\u589e\u52a0\u91cd\u8bd5\u903b\u8f91&#xff0c;\u68c0\u67e5PLC\u6216\u76ee\u6807\u8bbe\u5907\u7684\u7f51\u7edc\u54cd\u5e94\u901f\u5ea6\u3002 <\/li>\n<\/ul>\n<p> \u8fd9\u4e9b\u95ee\u9898\u7684\u89e3\u51b3\u901a\u5e38\u9700\u8981\u5bf9PLC\u7684\u901a\u4fe1\u534f\u8bae\u548c\u7f51\u7edc\u914d\u7f6e\u6709\u6df1\u5165\u7684\u4e86\u89e3\u3002\u8c03\u8bd5\u548c\u7ef4\u62a4\u65f6&#xff0c;\u53ef\u4ee5\u501f\u52a9\u4e8e\u7f51\u7edc\u5206\u6790\u5de5\u5177&#xff0c;\u4f8b\u5982Wireshark&#xff0c;\u6765\u76d1\u63a7\u7f51\u7edc\u4e0a\u7684MODBUS\u901a\u4fe1&#xff0c;\u5e2e\u52a9\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\u6240\u5728\u3002 <\/p>\n<h2> 3. \u4f7f\u7528NModbus\u5e93\u5b9e\u73b0MODBUS\u534f\u8bae\u901a\u4fe1 <\/h2>\n<h4> 3.1 NModbus\u5e93\u7b80\u4ecb <\/h4>\n<p> NModbus\u662f\u4e00\u4e2a\u5f00\u6e90\u5e93&#xff0c;\u7528\u4e8e\u5728\u4e0d\u540c\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5b9e\u73b0MODBUS\u534f\u8bae\u901a\u4fe1\u3002\u5b83\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00&#xff0c;\u4f46\u6700\u4e3a\u4eba\u719f\u77e5\u7684\u662fC#\u7248\u672c\u3002NModbus\u5e93\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df&#xff0c;\u7279\u522b\u662f\u5728\u9700\u8981\u4e0ePLC\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\u65f6&#xff0c;\u662f\u5f00\u53d1\u4eba\u5458\u7684\u7406\u60f3\u9009\u62e9\u3002\u5b83\u4e0d\u4ec5\u6613\u4e8e\u4f7f\u7528&#xff0c;\u800c\u4e14\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd&#xff0c;\u80fd\u591f\u6ee1\u8db3\u5927\u591a\u6570MODBUS\u901a\u4fe1\u9700\u6c42\u3002 <\/p>\n<h5> 3.1.1 NModbus\u5e93\u7684\u7279\u6027\u4e0e\u4f18\u52bf <\/h5>\n<p> NModbus\u5e93\u7684\u7279\u6027\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u70b9&#xff1a; &#8211;  \u534f\u8bae\u6807\u51c6\u652f\u6301&#xff1a;  \u5b8c\u5168\u652f\u6301MODBUS TCP\/IP\u534f\u8bae&#xff0c;\u5305\u62ec\u5728TCP\/IP\u4e0a\u5b9e\u73b0\u7684MODBUS\u534f\u8bae\u3002 &#8211;  \u8de8\u5e73\u53f0\u80fd\u529b&#xff1a;  \u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c&#xff0c;\u7279\u522b\u662f\u5728Windows\u548cLinux\u5e73\u53f0\u4e0a\u8868\u73b0\u51fa\u8272\u3002 &#8211;  \u6613\u4e8e\u96c6\u6210&#xff1a;  \u4e0e\u4e3b\u6d41\u5f00\u53d1\u73af\u5883\u548c\u5de5\u5177\u517c\u5bb9&#xff0c;\u5982Visual Studio&#xff0c;\u4f7f\u5f97\u96c6\u6210\u5230\u9879\u76ee\u4e2d\u53d8\u5f97\u7b80\u5355\u3002 &#8211;  \u9ad8\u6548\u6027\u80fd&#xff1a;  \u8f7b\u91cf\u7ea7\u8bbe\u8ba1&#xff0c;\u5360\u7528\u8d44\u6e90\u5c11&#xff0c;\u9002\u5408\u9700\u8981\u9ad8\u6548\u901a\u4fe1\u7684\u573a\u666f\u3002 &#8211;  \u5f00\u653e\u6e90\u7801&#xff1a;  \u5f00\u6e90\u4e14\u514d\u8d39&#xff0c;\u5141\u8bb8\u5f00\u53d1\u8005\u8fdb\u884c\u4fee\u6539\u548c\u81ea\u5b9a\u4e49\u4ee5\u6ee1\u8db3\u7279\u5b9a\u9700\u6c42\u3002 <\/p>\n<p> NModbus\u5e93\u7684\u4f18\u52bf\u5728\u4e8e\u5176\u6613\u4e8e\u4e0a\u624b\u548c\u4f7f\u7528&#xff0c;\u6781\u5927\u5730\u964d\u4f4e\u4e86\u5b9e\u73b0MODBUS\u534f\u8bae\u901a\u4fe1\u7684\u590d\u6742\u5ea6\u3002\u540c\u65f6&#xff0c;\u7531\u4e8e\u5176\u7075\u6d3b\u6027&#xff0c;\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u9879\u76ee\u9700\u6c42\u8f7b\u677e\u8fdb\u884c\u529f\u80fd\u6269\u5c55\u548c\u6027\u80fd\u4f18\u5316\u3002 <\/p>\n<h5> 3.1.2 NModbus\u5e93\u7684\u5b89\u88c5\u548c\u914d\u7f6e <\/h5>\n<p> \u5b89\u88c5\u548c\u914d\u7f6eNModbus\u5e93\u901a\u5e38\u5206\u4e3a\u51e0\u4e2a\u6b65\u9aa4&#xff1a; &#8211;  \u4e0b\u8f7d\u548c\u5b89\u88c5&#xff1a;  \u9996\u5148\u9700\u8981\u4eceNModbus\u5e93\u7684\u5b98\u65b9\u7f51\u7ad9\u6216GitHub\u4ed3\u5e93\u4e0b\u8f7d\u6700\u65b0\u7248\u672c\u7684\u5e93\u6587\u4ef6\u3002\u63a5\u7740\u5728C#\u9879\u76ee\u4e2d\u901a\u8fc7NuGet\u5305\u7ba1\u7406\u5668\u5b89\u88c5\u3002 &#8211;  \u914d\u7f6e\u9879\u76ee\u5f15\u7528&#xff1a;  \u5b89\u88c5\u5b8c\u6bd5\u540e&#xff0c;\u5728\u9879\u76ee\u4e2d\u6dfb\u52a0\u5bf9\u5e94\u7684NModbus\u5e93\u5f15\u7528\u3002 &#8211;  \u6dfb\u52a0\u547d\u540d\u7a7a\u95f4&#xff1a;  \u5728\u4ee3\u7801\u4e2d\u5f15\u7528NModbus\u5e93\u7684\u547d\u540d\u7a7a\u95f4&#xff0c;\u4ee5\u4fbf\u53ef\u4ee5\u4f7f\u7528\u5176\u7c7b\u548c\u65b9\u6cd5\u3002 <\/p>\n<p> \u63a5\u4e0b\u6765&#xff0c;\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u5728C#\u4e2d\u4f7f\u7528NModbus\u5e93\u521b\u5efaMODBUS\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef&#xff0c;\u5e76\u7f16\u5199\u901a\u4fe1\u4ee3\u7801\u3002 <\/p>\n<h4> 3.2 NModbus\u5e93\u5728C#\u4e2d\u7684\u5e94\u7528 <\/h4>\n<h5> 3.2.1 \u521b\u5efaMODBUS\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef <\/h5>\n<p> \u5728MODBUS\u534f\u8bae\u901a\u4fe1\u4e2d&#xff0c;\u521b\u5efa\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u662f\u57fa\u7840\u3002\u5ba2\u6237\u7aef&#xff08;Client&#xff09;\u7528\u4e8e\u53d1\u9001\u8bf7\u6c42&#xff0c;\u670d\u52a1\u5668\u7aef&#xff08;Server&#xff09;\u7528\u4e8e\u63a5\u6536\u8bf7\u6c42\u5e76\u8fd4\u56de\u54cd\u5e94\u3002 <\/p>\n<p> \u5728C#\u4e2d&#xff0c;\u53ef\u4ee5\u4f7f\u7528NModbus\u5e93\u63d0\u4f9b\u7684  ModbusIpMaster  \u7c7b\u521b\u5efa\u4e00\u4e2aMODBUS TCP\/IP\u5ba2\u6237\u7aef\u3002\u8fd9\u4e2a\u7c7b\u5b9e\u73b0\u4e86\u6240\u6709\u7684MODBUS TCP\/IP\u534f\u8bae\u5ba2\u6237\u7aef\u529f\u80fd&#xff0c;\u662f\u4e0eMODBUS\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\u7684\u4e3b\u8981\u63a5\u53e3\u3002 <\/p>\n<p>using Modbus.Device; \/\/ \u5f15\u5165NModbus\u5e93\u547d\u540d\u7a7a\u95f4<\/p>\n<p>\/\/ \u521b\u5efa\u4e00\u4e2aMODBUS TCP\/IP\u5ba2\u6237\u7aef\u5b9e\u4f8b<br \/>\nvar client &#061; new ModbusIpMaster(new IPEndPoint(IPAddress.Parse(&#034;***.*.*.*&#034;), 502));<\/p>\n<p> \u7c7b\u4f3c\u5730&#xff0c;\u53ef\u4ee5\u4f7f\u7528  ModbusIpSlave  \u7c7b\u521b\u5efaMODBUS TCP\/IP\u670d\u52a1\u5668\u7aef&#xff0c;\u4ee5\u54cd\u5e94\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u3002 <\/p>\n<p>\/\/ \u521b\u5efa\u4e00\u4e2aMODBUS TCP\/IP\u670d\u52a1\u5668\u7aef\u5b9e\u4f8b<br \/>\nvar server &#061; ModbusIpSlave.CreateIp(new IPEndPoint(IPAddress.Any, 502));<\/p>\n<h5> 3.2.2 \u7f16\u5199MODBUS\u534f\u8bae\u901a\u4fe1\u4ee3\u7801 <\/h5>\n<p> \u7f16\u5199\u901a\u4fe1\u4ee3\u7801\u4e3b\u8981\u6d89\u53ca\u5230\u5b9a\u4e49\u6570\u636e\u6a21\u578b&#xff0c;\u4ee5\u53ca\u6839\u636eMODBUS\u6570\u636e\u6a21\u578b\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c\u3002\u4f8b\u5982&#xff0c;\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u8bfb\u53d6MODBUS\u8bbe\u5907\u4e0a\u7684\u5bc4\u5b58\u5668\u503c\u3002 <\/p>\n<p>\/\/ \u6253\u5f00\u8fde\u63a5<br \/>\nclient.Connect();<\/p>\n<p>\/\/ \u8bfb\u53d6\u4fdd\u6301\u5bc4\u5b58\u5668&#xff08;Holding Registers&#xff09;&#xff0c;\u5047\u8bbe\u8d77\u59cb\u5730\u5740\u4e3a0x0000&#xff0c;\u6570\u91cf\u4e3a2<br \/>\nvar registers &#061; client.ReadHoldingRegisters(0x0000, 2);<\/p>\n<p>\/\/ \u6253\u5370\u8bfb\u53d6\u7684\u5bc4\u5b58\u5668\u503c<br \/>\nforeach (var register in registers)<br \/>\n{<br \/>\n    Console.WriteLine($&#034;Register {register.Address} Value: {register.Value}&#034;);<br \/>\n}<\/p>\n<p>\/\/ \u5173\u95ed\u8fde\u63a5<br \/>\nclient.Close();<\/p>\n<p> \u5bf9\u4e8e\u5199\u5165\u64cd\u4f5c&#xff0c;\u53ef\u4ee5\u4f7f\u7528  WriteMultipleRegisters  \u65b9\u6cd5&#xff0c;\u5982\u4e0b\u6240\u793a&#xff1a; <\/p>\n<p>\/\/ \u5b9a\u4e49\u8981\u5199\u5165\u7684\u6570\u636e\u6570\u7ec4<br \/>\nshort[] data &#061; { 1, 2 };<\/p>\n<p>\/\/ \u5c06\u6570\u636e\u5199\u5165MODBUS\u8bbe\u5907&#xff0c;\u8d77\u59cb\u5730\u5740\u4e3a0x0000<br \/>\nclient.WriteMultipleRegisters(0x0000, data);<\/p>\n<p> \u5728\u5b9e\u9645\u5e94\u7528\u4e2d&#xff0c;\u7f16\u5199\u901a\u4fe1\u4ee3\u7801\u65f6\u9700\u8981\u6ce8\u610f\u6570\u636e\u7c7b\u578b\u7684\u5bf9\u5e94\u5173\u7cfb&#xff0c;\u4f8b\u5982MODBUS\u6570\u636e\u6a21\u578b\u4e2d\u7684\u7ebf\u5708&#xff08;Coils&#xff09;\u3001\u8f93\u5165\u5bc4\u5b58\u5668&#xff08;Input Registers&#xff09;\u3001\u4fdd\u6301\u5bc4\u5b58\u5668&#xff08;Holding Registers&#xff09;\u548c\u8f93\u5165\/\u8f93\u51fa\u5bc4\u5b58\u5668&#xff08;Input\/Output Registers&#xff09;\u5404\u81ea\u5bf9\u5e94\u4e86\u4e0d\u540c\u7684\u6570\u636e\u5904\u7406\u65b9\u6cd5\u3002 <\/p>\n<p> \u5728\u540e\u7eed\u7684\u7ae0\u8282\u4e2d&#xff0c;\u6211\u4eec\u5c06\u63a2\u8ba8NModbus\u5e93\u7684\u9ad8\u7ea7\u5e94\u7528\u6280\u5de7&#xff0c;\u5305\u62ec\u9519\u8bef\u5904\u7406\u3001\u6027\u80fd\u4f18\u5316\u5efa\u8bae\u7b49&#xff0c;\u4ee5\u8fdb\u4e00\u6b65\u63d0\u5347MODBUS\u901a\u4fe1\u7684\u6548\u7387\u548c\u7a33\u5b9a\u6027\u3002 <\/p>\n<h2> 4. C#\u7f16\u7a0b\u5b9e\u73b0\u4e09\u83f1PLC\u6570\u636e\u8bfb\u53d6 <\/h2>\n<p> \u5728\u8fd9\u4e00\u7ae0\u8282\u4e2d&#xff0c;\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u5229\u7528C#\u7f16\u7a0b\u8bed\u8a00\u5b9e\u73b0\u4e0e\u4e09\u83f1PLC\u7684\u6570\u636e\u8bfb\u53d6\u3002C#\u4ee5\u5176\u5f3a\u5927\u7684\u5f00\u53d1\u80fd\u529b\u548c\u7075\u6d3b\u6027&#xff0c;\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u4e2d\u5e94\u7528\u5e7f\u6cdb\u3002\u672c\u7ae0\u5185\u5bb9\u5c06\u4e3a\u60a8\u63d0\u4f9b\u4ece\u901a\u4fe1\u539f\u7406\u5230\u6570\u636e\u5904\u7406\u5168\u6d41\u7a0b\u7684\u89e3\u51b3\u65b9\u6848\u3002 <\/p>\n<h3> 4.1 C#\u4e0e\u4e09\u83f1PLC\u901a\u4fe1\u7684\u539f\u7406 <\/h3>\n<h4> 4.1.1 \u901a\u4fe1\u534f\u8bae\u9009\u62e9\u4e0e\u914d\u7f6e <\/h4>\n<p> \u5728\u4e0ePLC\u8fdb\u884c\u901a\u4fe1\u4e4b\u524d&#xff0c;\u9996\u5148\u9700\u8981\u786e\u5b9a\u901a\u4fe1\u534f\u8bae\u3002\u4e09\u83f1PLC\u901a\u5e38\u652f\u6301\u591a\u79cd\u901a\u4fe1\u534f\u8bae&#xff0c;\u4f8b\u5982CC-Link\u3001Profinet\u3001Modbus\u7b49\u3002\u5bf9\u4e8eC#\u800c\u8a00&#xff0c;\u6211\u4eec\u901a\u5e38\u4f1a\u4f7f\u7528Modbus\u534f\u8bae\u8fdb\u884c\u901a\u4fe1&#xff0c;\u56e0\u4e3a\u5b83\u7684\u6210\u719f\u5ea6\u9ad8\u3001\u5f00\u653e\u6027\u597d\u3001\u6613\u4e8e\u5b9e\u73b0\u3002\u9009\u62e9Modbus\u540e&#xff0c;\u6211\u4eec\u8fd8\u9700\u8981\u914d\u7f6e\u901a\u4fe1\u53c2\u6570&#xff0c;\u5982\u7aef\u53e3\u53f7\u3001\u6ce2\u7279\u7387\u3001\u6570\u636e\u4f4d\u548c\u505c\u6b62\u4f4d\u7b49\u3002\u8fd9\u4e9b\u53c2\u6570\u9700\u8981\u4e0ePLC\u4e0a\u76f8\u5e94\u7684\u8bbe\u7f6e\u76f8\u5339\u914d&#xff0c;\u4ee5\u786e\u4fdd\u6570\u636e\u80fd\u591f\u6b63\u786e\u5730\u53d1\u9001\u548c\u63a5\u6536\u3002 <\/p>\n<h4> 4.1.2 C#\u4e2d\u7684PLC\u901a\u4fe1\u5e93\u4ecb\u7ecd <\/h4>\n<p> \u4e3a\u4e86\u7b80\u5316\u5f00\u53d1\u8fc7\u7a0b&#xff0c;\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u73b0\u6210\u7684\u901a\u4fe1\u5e93\u3002\u5bf9\u4e8eModbus\u901a\u4fe1&#xff0c;\u4e00\u4e2a\u5e38\u7528\u7684\u5e93\u662fNModbus&#xff0c;\u5b83\u63d0\u4f9b\u4e86\u4eceModbus\u534f\u8bae\u57fa\u672c\u7684\u8bfb\u5199\u529f\u80fd\u5230\u9ad8\u7ea7\u5e94\u7528\u7684\u5b8c\u6574\u652f\u6301\u3002\u6b64\u5916&#xff0c;\u8fd8\u6709\u5982EasyModbus\u3001NetModbus\u7b49\u5e93&#xff0c;\u8fd9\u4e9b\u5e93\u90fd\u63d0\u4f9b\u4e86\u7c7b\u4f3c\u7684\u529f\u80fd&#xff0c;\u5e76\u652f\u6301C#\u73af\u5883\u3002\u5728\u672c\u7ae0\u4e2d&#xff0c;\u6211\u4eec\u5c06\u4ee5NModbus\u5e93\u4e3a\u4f8b&#xff0c;\u4ecb\u7ecd\u5982\u4f55\u5728C#\u4e2d\u5b9e\u73b0PLC\u6570\u636e\u7684\u8bfb\u53d6\u3002 <\/p>\n<h3> 4.2 C#\u5b9e\u73b0PLC\u6570\u636e\u8bfb\u53d6\u7684\u6b65\u9aa4 <\/h3>\n<h4> 4.2.1 \u8bbe\u5b9aPLC\u7684\u901a\u4fe1\u53c2\u6570 <\/h4>\n<p> \u5728\u5f00\u59cb\u7f16\u5199\u4ee3\u7801\u4e4b\u524d&#xff0c;\u9700\u8981\u5148\u8bbe\u5b9aPLC\u7684\u901a\u4fe1\u53c2\u6570\u3002\u8fd9\u5305\u62ecIP\u5730\u5740\u3001\u7aef\u53e3\u53f7\u3001\u4ee5\u53caPLC\u4e2d\u9700\u8981\u8bfb\u53d6\u7684\u6570\u636e\u5730\u5740\u3002\u4f8b\u5982&#xff0c;\u5982\u679c\u6211\u4eec\u8981\u8bfb\u53d6PLC\u4e2d\u4f4d\u4e8e\u4ece\u7ad9\u5730\u574010\u7684\u6570\u636e&#xff0c;\u90a3\u4e48\u6211\u4eec\u9700\u8981\u5c06\u901a\u4fe1\u53c2\u6570\u8bbe\u5b9a\u4e3a&#xff1a; <\/p>\n<p>var client &#061; new ModbusIpMaster(new UdpClient());<br \/>\nclient.Connect(&#034;***.***.*.**&#034;, 502); \/\/ \u5047\u8bbePLC IP\u4e3a***.***.*.**&#xff0c;\u7aef\u53e3\u4e3a502<\/p>\n<h4> 4.2.2 \u8bfb\u53d6PLC\u6570\u636e\u7684\u4ee3\u7801\u5b9e\u73b0 <\/h4>\n<p> \u8bbe\u5b9a\u597d\u53c2\u6570\u540e&#xff0c;\u53ef\u4ee5\u4f7f\u7528NModbus\u5e93\u63d0\u4f9b\u7684\u65b9\u6cd5\u8fdb\u884c\u6570\u636e\u8bfb\u53d6\u3002\u4ee5\u4e0b\u662f\u8bfb\u53d6\u4fdd\u6301\u5bc4\u5b58\u5668\u6570\u636e\u7684\u793a\u4f8b\u4ee3\u7801&#xff1a; <\/p>\n<p>\/\/ \u5047\u8bbe\u8981\u8bfb\u53d6\u7684\u6570\u636e\u8d77\u59cb\u5730\u5740\u4e3a0x0000&#xff0c;\u9700\u8981\u8bfb\u53d62\u4e2a\u5bc4\u5b58\u5668<br \/>\nvar data &#061; client.ReadHoldingRegisters(0x0000, 2);<\/p>\n<p>\/\/ \u5c06\u8bfb\u53d6\u5230\u7684\u6570\u636e\u5199\u5165\u63a7\u5236\u53f0<br \/>\nforeach (var register in data)<br \/>\n{<br \/>\n    Console.WriteLine(&#034;Register Value: &#034; &#043; register);<br \/>\n}<\/p>\n<p> \u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d&#xff0c;  ReadHoldingRegisters  \u65b9\u6cd5\u7528\u4e8e\u4ece\u6307\u5b9a\u5730\u5740\u8bfb\u53d6\u6307\u5b9a\u6570\u91cf\u7684\u4fdd\u6301\u5bc4\u5b58\u5668\u7684\u503c\u3002\u8bfb\u53d6\u7ed3\u679c\u5b58\u50a8\u5728  data  \u53d8\u91cf\u4e2d&#xff0c;\u4e4b\u540e\u6211\u4eec\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u5904\u7406\u548c\u5206\u6790\u3002 <\/p>\n<h3> 4.3 \u6570\u636e\u8bfb\u53d6\u7ed3\u679c\u7684\u5904\u7406\u4e0e\u5c55\u793a <\/h3>\n<h4> 4.3.1 \u6570\u636e\u7684\u89e3\u6790\u548c\u683c\u5f0f\u5316 <\/h4>\n<p> \u8bfb\u53d6\u5230\u7684\u6570\u636e\u901a\u5e38\u9700\u8981\u8fdb\u884c\u89e3\u6790\u548c\u683c\u5f0f\u5316\u4ee5\u6ee1\u8db3\u5e94\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u3002\u6bd4\u5982&#xff0c;\u6839\u636ePLC\u7684\u4e0d\u540c\u6570\u636e\u7c7b\u578b&#xff08;\u5982\u6574\u578b\u3001\u6d6e\u70b9\u578b\u3001\u5b57\u7b26\u4e32\u7b49&#xff09;\u8fdb\u884c\u76f8\u5e94\u7684\u8f6c\u6362\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u5c06\u6574\u6570\u6570\u636e\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u793a\u4f8b&#xff1a; <\/p>\n<p>int value &#061; data[0]; \/\/ \u5047\u8bbe\u8bfb\u53d6\u7684\u7b2c\u4e00\u4e2a\u5bc4\u5b58\u5668\u7684\u503c<br \/>\nstring formattedValue &#061; value.ToString(); \/\/ \u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<br \/>\nConsole.WriteLine(&#034;Formatted Value: &#034; &#043; formattedValue);<\/p>\n<h4> 4.3.2 \u7528\u6237\u754c\u9762\u8bbe\u8ba1\u4e0e\u5b9e\u73b0 <\/h4>\n<p> \u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d&#xff0c;\u901a\u5e38\u9700\u8981\u4e00\u4e2a\u7528\u6237\u754c\u9762\u6765\u5c55\u793a\u6570\u636e\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528WPF\u6216\u8005Windows Forms\u6765\u521b\u5efa\u7528\u6237\u754c\u9762&#xff0c;\u5e76\u5c06\u8bfb\u53d6\u7684\u6570\u636e\u7ed1\u5b9a\u5230\u754c\u9762\u4e0a\u663e\u793a\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684Windows Forms\u793a\u4f8b&#xff0c;\u5c55\u793a\u4e86\u5982\u4f55\u5c06\u8bfb\u53d6\u7684\u6570\u636e\u663e\u793a\u5728\u6807\u7b7e\u63a7\u4ef6\u4e0a&#xff1a; <\/p>\n<p>\/\/ \u5047\u8bbe\u6709\u4e00\u4e2aLabel\u63a7\u4ef6\u540d\u4e3alabelValue<br \/>\nlabelValue.Text &#061; &#034;Value: &#034; &#043; formattedValue;<\/p>\n<p> \u901a\u8fc7\u4e0a\u8ff0\u6b65\u9aa4&#xff0c;\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u4ece\u4e09\u83f1PLC\u8bfb\u53d6\u6570\u636e\u5230\u5728\u7528\u6237\u754c\u9762\u4e0a\u5c55\u793a\u6570\u636e\u7684\u5b8c\u6574\u6d41\u7a0b\u3002\u5728\u4e0b\u4e00\u7ae0\u8282\u4e2d&#xff0c;\u6211\u4eec\u5c06\u8fdb\u4e00\u6b65\u63a2\u7d22\u5982\u4f55\u901a\u8fc7\u670d\u52a1\u5668\u7aefAPI\u63a5\u53e3\u4e0e\u5ba2\u6237\u7aef\u5e94\u7528\u8fdb\u884c\u9ad8\u6548\u7684\u6570\u636e\u4ea4\u6362\u3002 <\/p>\n<h2> 5. \u670d\u52a1\u5668\u7aefAPI\u63a5\u53e3\u7684\u9700\u6c42 <\/h2>\n<h3> 5.1 API\u63a5\u53e3\u7684\u8bbe\u8ba1\u539f\u5219 <\/h3>\n<p> API&#xff08;Application Programming Interface&#xff09;\u63a5\u53e3\u4f5c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u4e4b\u95f4\u4ea4\u4e92\u7684\u6865\u6881&#xff0c;\u5176\u8bbe\u8ba1\u8d28\u91cf\u76f4\u63a5\u5f71\u54cd\u5230\u6574\u4e2a\u7cfb\u7edf\u67b6\u6784\u7684\u7a33\u5b9a\u6027\u548c\u6269\u5c55\u6027\u3002\u5728\u8bbe\u8ba1API\u63a5\u53e3\u65f6&#xff0c;\u9700\u8981\u9075\u5faa\u4e00\u4e9b\u57fa\u672c\u539f\u5219\u4ee5\u786e\u4fdd\u63a5\u53e3\u7684\u53ef\u7528\u6027\u548c\u53ef\u9760\u6027\u3002 <\/p>\n<h4> 5.1.1 RESTful API\u8bbe\u8ba1\u6807\u51c6 <\/h4>\n<p> RESTful API\u662f\u4e00\u79cd\u8bbe\u8ba1\u98ce\u683c&#xff0c;\u5176\u6838\u5fc3\u7406\u5ff5\u662f\u5229\u7528HTTP\u534f\u8bae\u7684\u5404\u79cd\u65b9\u6cd5\u5b9e\u73b0\u8d44\u6e90\u72b6\u6001\u7684\u8f6c\u79fb\u3002RESTful API\u8bbe\u8ba1\u7684\u4e3b\u8981\u539f\u5219\u5305\u62ec&#xff1a; &#8211;  \u7edf\u4e00\u63a5\u53e3&#xff08;Uniform Interface&#xff09;  &#xff1a;\u6240\u6709\u7684API\u63a5\u53e3\u90fd\u9075\u5faa\u7edf\u4e00\u7684\u63a5\u53e3\u6807\u51c6&#xff0c;\u6613\u4e8e\u7406\u89e3\u548c\u4f7f\u7528\u3002 &#8211;  \u65e0\u72b6\u6001&#xff08;Stateless&#xff09;  &#xff1a;\u670d\u52a1\u5668\u4e0d\u9700\u8981\u4fdd\u5b58\u5ba2\u6237\u7aef\u7684\u4efb\u4f55\u72b6\u6001\u4fe1\u606f\u3002 &#8211;  \u53ef\u7f13\u5b58&#xff08;Cacheable&#xff09;  &#xff1a;\u54cd\u5e94\u5e94\u8be5\u88ab\u5ba2\u6237\u7aef\u6216\u4ee3\u7406\u7f13\u5b58&#xff0c;\u51cf\u5c11\u7f51\u7edc\u5ef6\u8fdf\u548c\u670d\u52a1\u5668\u8d1f\u8f7d\u3002 &#8211;  \u5ba2\u6237\u7aef-\u670d\u52a1\u5668\u5206\u79bb&#xff08;Client-Server separation&#xff09;  &#xff1a;\u660e\u786e\u533a\u5206\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7684\u804c\u8d23&#xff0c;\u7b80\u5316\u670d\u52a1\u5668\u63a5\u53e3&#xff0c;\u589e\u52a0\u7cfb\u7edf\u7684\u53ef\u79fb\u690d\u6027\u548c\u53ef\u4f38\u7f29\u6027\u3002 <\/p>\n<h4> 5.1.2 \u5b89\u5168\u6027\u8bbe\u8ba1\u8003\u91cf <\/h4>\n<p> \u5b89\u5168\u6027\u662fAPI\u8bbe\u8ba1\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u5b89\u5168\u6027\u8bbe\u8ba1\u7684\u8981\u70b9\u5305\u62ec&#xff1a; &#8211;  \u8ba4\u8bc1\u548c\u6388\u6743  &#xff1a;\u786e\u4fdd\u53ea\u6709\u7ecf\u8fc7\u8ba4\u8bc1\u7684\u7528\u6237\u624d\u80fd\u8bbf\u95eeAPI&#xff0c;\u540c\u65f6\u6839\u636e\u7528\u6237\u7684\u89d2\u8272\u548c\u6743\u9650\u8fdb\u884c\u6388\u6743\u3002 &#8211;  \u6570\u636e\u4f20\u8f93\u52a0\u5bc6  &#xff1a;\u901a\u8fc7SSL\/TLS\u534f\u8bae\u5bf9\u6570\u636e\u4f20\u8f93\u8fdb\u884c\u52a0\u5bc6&#xff0c;\u4fdd\u62a4\u6570\u636e\u4e0d\u88ab\u7a83\u542c\u6216\u7be1\u6539\u3002 &#8211;  \u8f93\u5165\u9a8c\u8bc1  &#xff1a;\u5bf9\u6240\u6709\u8f93\u5165\u6570\u636e\u8fdb\u884c\u4e25\u683c\u9a8c\u8bc1&#xff0c;\u9632\u6b62\u6ce8\u5165\u653b\u51fb\u548c\u8de8\u7ad9\u811a\u672c\u653b\u51fb&#xff08;XSS&#xff09;\u3002 &#8211;  API\u9650\u6d41  &#xff1a;\u9650\u5236API\u7684\u8bbf\u95ee\u9891\u7387&#xff0c;\u9632\u6b62\u670d\u52a1\u56e0\u8fc7\u8f7d\u800c\u5d29\u6e83\u3002 <\/p>\n<h3> 5.2 \u6570\u636e\u53d1\u9001\u81f3\u670d\u52a1\u5668\u7684\u6d41\u7a0b <\/h3>\n<p> \u6570\u636e\u4ece\u5ba2\u6237\u7aef\u53d1\u9001\u81f3\u670d\u52a1\u5668\u9700\u8981\u7ecf\u8fc7\u4e00\u7cfb\u5217\u7684\u5c01\u88c5\u548c\u4f20\u8f93\u8fc7\u7a0b&#xff0c;\u670d\u52a1\u5668\u7aef\u63a5\u6536\u6570\u636e\u540e\u4e5f\u9700\u8981\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u3002 <\/p>\n<h4> 5.2.1 \u6570\u636e\u5c01\u88c5\u4e0e\u4f20\u8f93 <\/h4>\n<p> \u5728\u53d1\u9001\u6570\u636e\u4e4b\u524d&#xff0c;\u5ba2\u6237\u7aef\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u5c01\u88c5\u3002\u8fd9\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4&#xff1a; &#8211;  \u5e8f\u5217\u5316  &#xff1a;\u5c06\u6570\u636e\u5bf9\u8c61\u8f6c\u6362\u6210\u4e00\u79cd\u80fd\u591f\u5728\u7f51\u7edc\u4e0a\u4f20\u8f93\u7684\u683c\u5f0f&#xff0c;\u5982JSON\u6216XML\u3002 &#8211;  \u7b7e\u540d  &#xff1a;\u4e3a\u4fdd\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u6765\u6e90\u7684\u53ef\u9a8c\u8bc1\u6027&#xff0c;\u5bf9\u6570\u636e\u8fdb\u884c\u6570\u5b57\u7b7e\u540d\u3002 &#8211;  \u52a0\u5bc6  &#xff1a;\u5bf9\u654f\u611f\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\u5904\u7406&#xff0c;\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u7684\u5b89\u5168\u3002 &#8211;  \u4f20\u8f93  &#xff1a;\u4f7f\u7528HTTP\/HTTPS\u7b49\u534f\u8bae\u5c06\u6570\u636e\u53d1\u9001\u81f3\u670d\u52a1\u5668\u3002 <\/p>\n<h4> 5.2.2 \u670d\u52a1\u5668\u7aef\u6570\u636e\u63a5\u6536\u4e0e\u5904\u7406 <\/h4>\n<p> \u670d\u52a1\u5668\u63a5\u6536\u5230\u6570\u636e\u540e&#xff0c;\u9700\u8981\u8fdb\u884c\u4ee5\u4e0b\u5904\u7406&#xff1a; &#8211;  \u89e3\u5bc6\u4e0e\u9a8c\u8bc1  &#xff1a;\u670d\u52a1\u5668\u9996\u5148\u5bf9\u6570\u636e\u8fdb\u884c\u89e3\u5bc6&#xff0c;\u9a8c\u8bc1\u6570\u636e\u7b7e\u540d&#xff0c;\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u6765\u6e90\u3002 &#8211;  \u89e3\u6790  &#xff1a;\u5c06\u63a5\u6536\u5230\u7684\u5e8f\u5217\u5316\u6570\u636e\u89e3\u6790\u6210\u670d\u52a1\u5668\u80fd\u8bc6\u522b\u7684\u683c\u5f0f\u3002 &#8211;  \u4e1a\u52a1\u5904\u7406  &#xff1a;\u6839\u636e\u4e1a\u52a1\u903b\u8f91\u5bf9\u63a5\u6536\u5230\u7684\u6570\u636e\u8fdb\u884c\u5904\u7406\u3002 &#8211;  \u6301\u4e45\u5316\u5b58\u50a8  &#xff1a;\u5c06\u5904\u7406\u540e\u7684\u6570\u636e\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\u3002 &#8211;  \u54cd\u5e94\u53d1\u9001  &#xff1a;\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u5904\u7406\u7ed3\u679c\u6216\u72b6\u6001\u7801\u3002 <\/p>\n<h3> 5.3 \u5f02\u5e38\u5904\u7406\u548c\u5b9a\u65f6\u4efb\u52a1\u7684\u5b9e\u73b0 <\/h3>\n<p> \u5728\u5b9e\u9645\u5e94\u7528\u4e2d&#xff0c;API\u63a5\u53e3\u9700\u8981\u5177\u5907\u5f3a\u5927\u7684\u5bb9\u9519\u6027\u548c\u81ea\u52a8\u5316\u5904\u7406\u4efb\u52a1\u7684\u80fd\u529b\u3002 <\/p>\n<h4> 5.3.1 \u5f02\u5e38\u76d1\u63a7\u4e0e\u9884\u8b66\u673a\u5236 <\/h4>\n<p> \u4e3a\u4e86\u786e\u4fddAPI\u7684\u7a33\u5b9a\u8fd0\u884c&#xff0c;\u9700\u8981\u5b9e\u73b0\u4e00\u5957\u5f02\u5e38\u76d1\u63a7\u548c\u9884\u8b66\u673a\u5236&#xff1a; &#8211;  \u5f02\u5e38\u6355\u83b7  &#xff1a;\u5728\u4ee3\u7801\u4e2d\u5408\u7406\u4f7f\u7528try-catch\u8bed\u53e5\u6355\u83b7\u53ef\u80fd\u51fa\u73b0\u7684\u5f02\u5e38\u3002 &#8211;  \u65e5\u5fd7\u8bb0\u5f55  &#xff1a;\u8bb0\u5f55\u8be6\u7ec6\u7684\u5f02\u5e38\u4fe1\u606f&#xff0c;\u4fbf\u4e8e\u95ee\u9898\u8ffd\u8e2a\u548c\u5206\u6790\u3002 &#8211;  \u9884\u8b66\u7cfb\u7edf  &#xff1a;\u901a\u8fc7\u90ae\u4ef6\u3001\u77ed\u4fe1\u6216\u7cfb\u7edf\u544a\u8b66\u7b49\u65b9\u5f0f\u901a\u77e5\u5f00\u53d1\u4eba\u5458\u548c\u8fd0\u7ef4\u4eba\u5458\u3002 &#8211;  \u6062\u590d\u7b56\u7565  &#xff1a;\u8bbe\u8ba1\u81ea\u52a8\u6216\u534a\u81ea\u52a8\u7684\u6062\u590d\u7b56\u7565&#xff0c;\u5982\u91cd\u8bd5\u673a\u5236\u3001\u670d\u52a1\u964d\u7ea7\u7b49\u3002 <\/p>\n<h4> 5.3.2 \u5b9a\u65f6\u4efb\u52a1\u7684\u8c03\u5ea6\u4e0e\u6267\u884c <\/h4>\n<p> \u4e3a\u4e86\u5904\u7406\u5b9a\u65f6\u6216\u5468\u671f\u6027\u4e8b\u4ef6&#xff0c;API\u9700\u8981\u80fd\u591f\u8c03\u5ea6\u548c\u6267\u884c\u5b9a\u65f6\u4efb\u52a1&#xff1a; &#8211;  \u4efb\u52a1\u8c03\u5ea6\u5668  &#xff1a;\u4f7f\u7528Quartz\u7b49\u4efb\u52a1\u8c03\u5ea6\u5e93\u6765\u7ba1\u7406\u5b9a\u65f6\u4efb\u52a1\u7684\u8c03\u5ea6\u3002 &#8211;  \u4efb\u52a1\u6267\u884c  &#xff1a;\u5b9a\u65f6\u89e6\u53d1\u4efb\u52a1&#xff0c;\u6267\u884c\u5982\u6570\u636e\u5907\u4efd\u3001\u62a5\u8868\u751f\u6210\u7b49\u64cd\u4f5c\u3002 &#8211;  \u6301\u4e45\u5316\u4efb\u52a1\u72b6\u6001  &#xff1a;\u8bb0\u5f55\u4efb\u52a1\u7684\u6267\u884c\u72b6\u6001\u548c\u5386\u53f2&#xff0c;\u4fbf\u4e8e\u95ee\u9898\u6392\u67e5\u548c\u6027\u80fd\u5206\u6790\u3002 <\/p>\n<h3> 5.4 \u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u95ee\u9898\u4e0e\u5bf9\u7b56 <\/h3>\n<p> \u5728API\u63a5\u53e3\u7684\u5b9e\u9645\u5e94\u7528\u8fc7\u7a0b\u4e2d&#xff0c;\u7ecf\u5e38\u4f1a\u9047\u5230\u7f51\u7edc\u5ef6\u8fdf\u3001\u6570\u636e\u540c\u6b65\u548c\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u7b49\u95ee\u9898\u3002 <\/p>\n<h4> 5.4.1 \u7f51\u7edc\u5ef6\u8fdf\u4e0e\u6570\u636e\u540c\u6b65\u95ee\u9898 <\/h4>\n<p> \u7f51\u7edc\u5ef6\u8fdf\u548c\u6570\u636e\u540c\u6b65\u95ee\u9898\u53ef\u80fd\u4f1a\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u548c\u6570\u636e\u7684\u4e00\u81f4\u6027&#xff1a; &#8211;  \u6570\u636e\u540c\u6b65  &#xff1a;\u4f7f\u7528\u6d88\u606f\u961f\u5217\u3001\u4e8b\u4ef6\u6eaf\u6e90\u7b49\u6280\u672f\u89e3\u51b3\u6570\u636e\u7684\u5f02\u6b65\u540c\u6b65\u95ee\u9898\u3002 &#8211;  \u7f13\u5b58\u673a\u5236  &#xff1a;\u5408\u7406\u5229\u7528\u7f13\u5b58\u6280\u672f&#xff0c;\u5982Redis&#xff0c;\u51cf\u5c11\u6570\u636e\u5e93\u7684\u76f4\u63a5\u8bfb\u5199&#xff0c;\u63d0\u9ad8\u54cd\u5e94\u901f\u5ea6\u3002 &#8211;  \u8d1f\u8f7d\u5747\u8861  &#xff1a;\u901a\u8fc7\u8d1f\u8f7d\u5747\u8861\u5206\u6563\u8bf7\u6c42&#xff0c;\u51cf\u5c11\u5355\u70b9\u6545\u969c\u7684\u98ce\u9669&#xff0c;\u63d0\u5347\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u3002 <\/p>\n<h4> 5.4.2 \u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u95ee\u9898\u4e0e\u89e3\u51b3\u7b56\u7565 <\/h4>\n<p> \u4e0d\u540c\u7684\u5ba2\u6237\u7aef\u5e73\u53f0\u53ef\u80fd\u4f1a\u5bf9API\u63d0\u51fa\u4e0d\u540c\u7684\u517c\u5bb9\u6027\u8981\u6c42&#xff1a; &#8211;  \u534f\u8bae\u517c\u5bb9\u6027  &#xff1a;\u4f7f\u7528\u6807\u51c6\u7684RESTful API&#xff0c;\u652f\u6301\u591a\u79cdHTTP\u65b9\u6cd5\u548c\u72b6\u6001\u7801\u3002 &#8211;  \u6570\u636e\u683c\u5f0f\u517c\u5bb9\u6027  &#xff1a;\u652f\u6301\u591a\u79cd\u6570\u636e\u683c\u5f0f&#xff0c;\u5982JSON\u3001XML\u3001Protocol Buffers\u7b49\u3002 &#8211;  \u8bbe\u5907\u9002\u914d  &#xff1a;\u8bbe\u8ba1\u54cd\u5e94\u5f0f\u6216\u9002\u5e94\u6027API&#xff0c;\u4ee5\u652f\u6301\u4e0d\u540c\u8bbe\u5907\u548c\u5c4f\u5e55\u5c3a\u5bf8\u3002 <\/p>\n<h3> \u4ee3\u7801\u793a\u4f8b <\/h3>\n<p> \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684C#\u4ee3\u7801\u793a\u4f8b&#xff0c;\u5c55\u793a\u5982\u4f55\u521b\u5efa\u4e00\u4e2aRESTful API\u63a7\u5236\u5668&#xff0c;\u7528\u4e8e\u5904\u7406\u6570\u636e\u540c\u6b65\u4efb\u52a1&#xff1a; <\/p>\n<p>using Microsoft.AspNetCore.Mvc;<br \/>\nusing System.Threading.Tasks;<\/p>\n<p>[ApiController]<br \/>\n[Route(&#034;[controller]&#034;)]<br \/>\npublic class DataSyncController : ControllerBase<br \/>\n{<br \/>\n    [HttpPost]<br \/>\n    public IActionResult PostData(string data)<br \/>\n    {<br \/>\n        \/\/ \u5b9e\u73b0\u6570\u636e\u63a5\u6536\u903b\u8f91<br \/>\n        \/\/ \u8fd9\u91cc\u53ef\u4ee5\u96c6\u6210\u6570\u636e\u89e3\u6790\u3001\u5b58\u50a8\u548c\u4e1a\u52a1\u5904\u7406\u903b\u8f91<br \/>\n        \/\/ \u4f8b\u5982: SaveData(data);<br \/>\n        return Ok(&#034;Data Received&#034;);<br \/>\n    }<br \/>\n    \/\/ \u5f02\u6b65\u6267\u884c\u6570\u636e\u540c\u6b65\u4efb\u52a1\u7684\u793a\u4f8b<br \/>\n    private async Task SyncDataAsync()<br \/>\n    {<br \/>\n        \/\/ \u8fd9\u91cc\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u540c\u6b65\u903b\u8f91&#xff0c;\u6bd4\u5982\u4ece\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\u6570\u636e\u5e76\u8fdb\u884c\u5904\u7406<br \/>\n    }<br \/>\n}<\/p>\n<p> \u6b64\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u63a5\u53d7\u6570\u636e\u7684API\u7aef\u70b9&#xff0c;\u4ee5\u53ca\u5982\u4f55\u5728\u540e\u53f0\u6267\u884c\u5f02\u6b65\u7684\u6570\u636e\u540c\u6b65\u4efb\u52a1\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d&#xff0c;\u6570\u636e\u5904\u7406\u548c\u5b58\u50a8\u903b\u8f91\u5c06\u4f1a\u66f4\u52a0\u590d\u6742\u3002 <\/p>\n<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250420073059-6804a2b303d67.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom\" \/><\/p>\n<p> \u7b80\u4ecb&#xff1a;\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d&#xff0c;\u4e09\u83f1PLC\u662f\u4e00\u4e2a\u5173\u952e\u89d2\u8272&#xff0c;\u901a\u8fc7\u7f16\u7a0b\u8bed\u8a00C#\u5b9e\u73b0\u5b9e\u65f6\u6570\u636e\u4e0a\u4f20\u5230\u670d\u52a1\u5668\u662f\u8fdc\u7a0b\u76d1\u63a7\u548c\u6570\u636e\u5206\u6790\u7684\u5fc5\u8981\u6b65\u9aa4\u3002\u672c\u6587\u4ecb\u7ecd\u5982\u4f55\u8bbe\u7f6e\u548c\u8bfb\u53d6\u4e09\u83f1PLC\u7684\u6570\u636e&#xff0c;\u5229\u7528MODBUS 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