{"id":43356,"date":"2025-06-12T07:45:54","date_gmt":"2025-06-11T23:45:54","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/43356.html"},"modified":"2025-06-12T07:45:54","modified_gmt":"2025-06-11T23:45:54","slug":"%e4%bd%bf%e7%94%a8vc%e9%80%9a%e8%bf%87simaticnet%e5%ae%9e%e7%8e%b0opc%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e5%90%8c%e6%ad%a5%e4%b8%8e%e5%bc%82%e6%ad%a5%e9%80%9a%e4%bf%a1","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/43356.html","title":{"rendered":"\u4f7f\u7528VC\u901a\u8fc7SimaticNet\u5b9e\u73b0OPC\u670d\u52a1\u5668\u7684\u540c\u6b65\u4e0e\u5f02\u6b65\u901a\u4fe1"},"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\/06\/20250611234553-684a15312cfb7.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom;cursor:text\" \/> <\/p>\n<p> \u7b80\u4ecb&#xff1a;OPC\u4f5c\u4e3a\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u7684\u6570\u636e\u4ea4\u6362\u6807\u51c6&#xff0c;\u7279\u522b\u5728Windows\u5e73\u53f0\u4e0b\u7528\u4e8e\u8bbe\u5907\u901a\u4fe1&#xff0c;SimaticNet\u5e93\u5219\u7528\u4e8e\u521b\u5efa\u4e0e\u897f\u95e8\u5b50PLC\u901a\u4fe1\u7684OPC\u5ba2\u6237\u7aef\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u89e3\u6790\u5728VC\u73af\u5883\u4e0b&#xff0c;\u5982\u4f55\u901a\u8fc7SimaticNet\u5b9e\u73b0OPC\u670d\u52a1\u5668&#xff0c;\u5305\u62ec\u540c\u6b65\u548c\u5f02\u6b65\u7684\u8bfb\u5199\u65b9\u6cd5&#xff0c;\u5e76\u7ed3\u5408\u6e90\u7801\u89e3\u91ca\u3002\u540c\u6b65\u8bfb\u5199\u4f1a\u4f7f\u5ba2\u6237\u7aef\u7b49\u5f85\u670d\u52a1\u5668\u54cd\u5e94&#xff0c;\u800c\u5f02\u6b65\u8bfb\u5199\u5141\u8bb8\u5ba2\u6237\u7aef\u5728\u540e\u53f0\u7ebf\u7a0b\u5904\u7406\u8bf7\u6c42&#xff0c;\u63d0\u4f9b\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u54cd\u5e94\u6027\u3002\u5f00\u53d1\u8005\u901a\u8fc7\u638c\u63e1\u8fd9\u4e9b\u6280\u672f&#xff0c;\u53ef\u4ee5\u5b9e\u73b0\u4e0ePLC\u7684\u6709\u6548\u4ea4\u4e92\u3002 <img decoding=\"async\" alt=\"VC\u5b9e\u73b0OPC\u540c\u6b65\u5f02\u6b65\u8bfb\u5199.rar\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250611234553-684a153134fce.png\" \/> <\/p>\n<h2> 1. \u5de5\u4e1a\u81ea\u52a8\u5316\u4e0eOPC\u6807\u51c6 <\/h2>\n<p> \u5de5\u4e1a\u81ea\u52a8\u5316\u662f\u73b0\u4ee3\u5de5\u4e1a\u751f\u4ea7\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206&#xff0c;\u5b83\u901a\u8fc7\u5148\u8fdb\u7684\u6280\u672f\u624b\u6bb5&#xff0c;\u63d0\u5347\u751f\u4ea7\u6548\u7387&#xff0c;\u4fdd\u969c\u751f\u4ea7\u8d28\u91cf&#xff0c;\u964d\u4f4e\u751f\u4ea7\u6210\u672c&#xff0c;\u5b9e\u73b0\u751f\u4ea7\u8fc7\u7a0b\u7684\u9ad8\u5ea6\u81ea\u52a8\u5316\u548c\u667a\u80fd\u5316\u3002\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u7684\u8fc7\u7a0b\u4e2d&#xff0c;\u6570\u636e\u7684\u91c7\u96c6\u4e0e\u4ea4\u6362\u662f\u5b9e\u73b0\u7cfb\u7edf\u6709\u6548\u63a7\u5236\u7684\u57fa\u7840\u3002\u4e3a\u6b64&#xff0c;OPC&#xff08;OLE for Process Control&#xff09;\u6807\u51c6\u5e94\u8fd0\u800c\u751f&#xff0c;\u6210\u4e3a\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u5185\u7684\u6570\u636e\u4ea4\u6362\u6807\u51c6\u3002 <\/p>\n<h3> 1.1 OPC\u6807\u51c6\u7684\u8bde\u751f\u4e0e\u5e94\u7528 <\/h3>\n<p> OPC\u6807\u51c6\u662f\u4e00\u79cd\u57fa\u4e8eOLE\/COM\u6280\u672f&#xff08;\u5bf9\u8c61\u94fe\u63a5\u4e0e\u5d4c\u5165\/\u7ec4\u4ef6\u5bf9\u8c61\u6a21\u578b&#xff09;\u7684\u5de5\u4e1a\u901a\u8baf\u534f\u8bae&#xff0c;\u6700\u521d\u7531\u5fae\u8f6f\u516c\u53f8\u53d1\u8d77&#xff0c;\u5e76\u5f97\u5230\u4e86\u591a\u5bb6\u81ea\u52a8\u5316\u8bbe\u5907\u5236\u9020\u5546\u548c\u8f6f\u4ef6\u4f9b\u5e94\u5546\u7684\u652f\u6301\u3002\u8fd9\u4e00\u6807\u51c6\u7684\u63a8\u51fa&#xff0c;\u6253\u7834\u4e86\u4e0d\u540c\u5382\u5546\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u8baf\u969c\u788d&#xff0c;\u5b9e\u73b0\u4e86\u4e0d\u540c\u54c1\u724c\u3001\u4e0d\u540c\u79cd\u7c7b\u7684\u81ea\u52a8\u5316\u8bbe\u5907\u4e0e\u8f6f\u4ef6\u4e4b\u95f4\u7684\u4e92\u64cd\u4f5c\u6027\u3002 <\/p>\n<h3> 1.2 OPC\u6280\u672f\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u7684\u4f5c\u7528 <\/h3>\n<p> OPC\u901a\u8fc7\u7edf\u4e00\u7684\u63a5\u53e3\u89c4\u8303&#xff0c;\u4f7f\u5f97\u4efb\u4f55\u652f\u6301OPC\u6807\u51c6\u7684\u8f6f\u4ef6\u90fd\u80fd\u591f\u8f7b\u677e\u5730\u4e0e\u81ea\u52a8\u5316\u8bbe\u5907\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002\u8fd9\u6837&#xff0c;\u65e0\u8bba\u662f\u4ece\u73b0\u573a\u8bbe\u5907&#xff08;\u5982\u4f20\u611f\u5668\u3001\u6267\u884c\u5668&#xff09;\u91c7\u96c6\u6570\u636e&#xff0c;\u8fd8\u662f\u5c06\u63a7\u5236\u6307\u4ee4\u4e0b\u53d1\u5230\u73b0\u573a\u8bbe\u5907&#xff0c;\u90fd\u53ef\u4ee5\u901a\u8fc7OPC\u5b9e\u73b0\u65e0\u7f1d\u901a\u8baf\u3002OPC\u6280\u672f\u7684\u5e94\u7528\u5927\u5927\u964d\u4f4e\u4e86\u7cfb\u7edf\u96c6\u6210\u7684\u590d\u6742\u5ea6&#xff0c;\u63d0\u9ad8\u4e86\u5de5\u4e1a\u81ea\u52a8\u5316\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002 <\/p>\n<h3> 1.3 OPC\u6280\u672f\u9762\u4e34\u7684\u6311\u6218\u4e0e\u53d1\u5c55 <\/h3>\n<p> \u5c3d\u7ba1OPC\u6280\u672f\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u53d6\u5f97\u4e86\u5e7f\u6cdb\u5e94\u7528&#xff0c;\u4f46\u5b83\u4ecd\u9762\u4e34\u7740\u8bf8\u5982\u7f51\u7edc\u5ef6\u8fdf\u3001\u6570\u636e\u5b89\u5168\u3001\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u7b49\u95ee\u9898\u3002\u968f\u7740\u5de5\u4e1a\u7269\u8054\u7f51&#xff08;IIoT&#xff09;\u7684\u5174\u8d77\u4ee5\u53ca\u5de5\u4e1a4.0\u7684\u63a8\u8fdb&#xff0c;OPC\u6280\u672f\u6b63\u5728\u4e0d\u65ad\u6f14\u8fdb\u3002\u4f8b\u5982&#xff0c;OPC UA&#xff08;\u7edf\u4e00\u67b6\u6784&#xff09;\u7684\u51fa\u73b0&#xff0c;\u4e0d\u4ec5\u514b\u670d\u4e86\u4f20\u7edfOPC\u7684\u5c40\u9650\u6027&#xff0c;\u8fd8\u652f\u6301\u4e86\u66f4\u591a\u5148\u8fdb\u529f\u80fd&#xff0c;\u5982\u6570\u636e\u52a0\u5bc6\u3001\u7528\u6237\u8ba4\u8bc1\u3001\u7f51\u7edc\u53d1\u73b0\u7b49\u3002 <\/p>\n<p> \u4ee5\u4e0a\u5185\u5bb9\u4e3a\u7b2c\u4e00\u7ae0\u7684\u5185\u5bb9&#xff0c;\u901a\u8fc7\u5bf9OPC\u6807\u51c6\u7684\u4ecb\u7ecd&#xff0c;\u8ba9\u8bfb\u8005\u4e86\u89e3\u5176\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u7684\u5e94\u7528\u4e0e\u91cd\u8981\u6027&#xff0c;\u540c\u65f6\u4e3a\u540e\u7eed\u7ae0\u8282\u4e2d\u6df1\u5165\u63a2\u8ba8OPC\u6280\u672f\u7684\u7ec6\u8282\u6253\u4e0b\u57fa\u7840\u3002 <\/p>\n<h2> 2. SimaticNet\u5e93\u4e0ePLC\u901a\u4fe1 <\/h2>\n<h3> 2.1 SimaticNet\u5e93\u7684\u4ecb\u7ecd\u4e0e\u5b89\u88c5 <\/h3>\n<h4> 2.1.1 SimaticNet\u5e93\u7684\u57fa\u672c\u529f\u80fd\u4e0e\u7279\u70b9 <\/h4>\n<p> SimaticNet\u5e93\u662f\u4e00\u4e2a\u4e13\u95e8\u9488\u5bf9\u897f\u95e8\u5b50PLC&#xff08;\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668&#xff09;\u901a\u4fe1\u800c\u8bbe\u8ba1\u7684\u8f6f\u4ef6\u5e93&#xff0c;\u5b83\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u901a\u4fe1\u534f\u8bae\u5b9e\u73b0&#xff0c;\u4f7f\u5f97\u7528\u6237\u80fd\u591f\u5728PC\u6216\u670d\u52a1\u5668\u4e0a\u4e0ePLC\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002SimaticNet\u5e93\u7684\u6700\u5927\u7279\u70b9\u5728\u4e8e\u5b83\u652f\u6301\u591a\u79cd\u901a\u4fe1\u6807\u51c6&#xff0c;\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u5de5\u4e1a\u4ee5\u592a\u7f51\u3001PROFIBUS\u3001MPI&#xff08;\u591a\u70b9\u63a5\u53e3&#xff09;\u7b49&#xff0c;\u8fd9\u4f7f\u5f97\u5b83\u80fd\u591f\u5728\u5404\u79cd\u5de5\u4e1a\u73af\u5883\u4e2d\u9ad8\u6548\u8fd0\u884c\u3002 <\/p>\n<p> \u5728\u529f\u80fd\u4e0a&#xff0c;SimaticNet\u5e93\u5141\u8bb8\u7528\u6237\u8bfb\u53d6\u548c\u5199\u5165PLC\u7684\u6570\u636e\u5757&#xff0c;\u5904\u7406\u6d88\u606f\u961f\u5217&#xff0c;\u4ee5\u53ca\u5b9e\u73b0\u66f4\u52a0\u590d\u6742\u7684\u901a\u8baf\u903b\u8f91\u3002\u5b83\u8fd8\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u9519\u8bef\u5904\u7406\u80fd\u529b&#xff0c;\u4f7f\u5f97\u901a\u4fe1\u8fc7\u7a0b\u4e2d\u7684\u5f02\u5e38\u60c5\u51b5\u80fd\u591f\u88ab\u53ca\u65f6\u6355\u83b7\u548c\u5904\u7406\u3002\u6b64\u5916&#xff0c;SimaticNet\u5e93\u7684\u8bbe\u8ba1\u5f3a\u8c03\u4e86\u9ad8\u53ef\u9760\u6027\u548c\u9ad8\u6548\u6027&#xff0c;\u786e\u4fdd\u4e86\u5728\u5b9e\u65f6\u7cfb\u7edf\u4e2d\u7684\u7a33\u5b9a\u8868\u73b0\u3002 <\/p>\n<h4> 2.1.2 SimaticNet\u5e93\u5728PLC\u901a\u4fe1\u4e2d\u7684\u5e94\u7528 <\/h4>\n<p> \u5728\u5b9e\u9645\u7684\u5de5\u4e1a\u81ea\u52a8\u5316\u9879\u76ee\u4e2d&#xff0c;SimaticNet\u5e93\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\u3002\u5b83\u7ecf\u5e38\u88ab\u7528\u4e8e\u76d1\u63a7\u7cfb\u7edf\u3001\u6570\u636e\u91c7\u96c6\u548c\u8bb0\u5f55\u7cfb\u7edf&#xff08;SCADA&#xff09;\u4ee5\u53ca\u4efb\u4f55\u9700\u8981\u4ecePLC\u6536\u96c6\u6570\u636e\u6216\u5411PLC\u53d1\u9001\u63a7\u5236\u547d\u4ee4\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002\u901a\u8fc7\u4f7f\u7528SimaticNet\u5e93&#xff0c;\u5f00\u53d1\u8005\u80fd\u591f\u4ee5\u4e00\u79cd\u6807\u51c6\u5316\u7684\u65b9\u5f0f\u5b9e\u73b0\u4e0ePLC\u7684\u901a\u4fe1&#xff0c;\u8fd9\u4e0d\u4ec5\u7b80\u5316\u4e86\u7f16\u7a0b\u6d41\u7a0b&#xff0c;\u800c\u4e14\u8fd8\u80fd\u663e\u8457\u51cf\u5c11\u5f00\u53d1\u65f6\u95f4\u3002 <\/p>\n<p> \u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7\u7f16\u7a0b\u63a5\u53e3&#xff08;API&#xff09;\u8c03\u7528SimaticNet\u5e93\u4e2d\u7684\u51fd\u6570&#xff0c;\u6765\u5b9e\u73b0PLC\u6570\u636e\u7684\u8bfb\u5199\u3002\u4f8b\u5982&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u5e93\u51fd\u6570\u6765\u8bfb\u53d6PLC\u4e2d\u7684\u6e29\u5ea6\u4f20\u611f\u5668\u6570\u636e&#xff0c;\u7136\u540e\u6839\u636e\u8fd9\u4e9b\u6570\u636e\u8c03\u6574\u63a7\u5236\u7b56\u7565&#xff0c;\u6216\u8005\u5c06\u6570\u636e\u8bb0\u5f55\u5230\u6570\u636e\u5e93\u4e2d\u4f9b\u540e\u7eed\u5206\u6790\u4f7f\u7528\u3002 <\/p>\n<h3> 2.2 SimaticNet\u5e93\u4e0ePLC\u901a\u4fe1\u7684\u5b9e\u73b0\u8fc7\u7a0b <\/h3>\n<h4> 2.2.1 SimaticNet\u5e93\u4e0ePLC\u901a\u4fe1\u7684\u786c\u4ef6\u8fde\u63a5\u65b9\u5f0f <\/h4>\n<p> \u786c\u4ef6\u8fde\u63a5\u662f\u5b9e\u73b0SimaticNet\u5e93\u4e0ePLC\u901a\u4fe1\u7684\u7b2c\u4e00\u6b65\u3002\u6839\u636e\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae&#xff0c;\u786c\u4ef6\u8fde\u63a5\u65b9\u5f0f\u4e5f\u6709\u6240\u4e0d\u540c\u3002\u4f8b\u5982&#xff0c;\u5bf9\u4e8e\u5de5\u4e1a\u4ee5\u592a\u7f51\u8fde\u63a5&#xff0c;\u9700\u8981\u786e\u4fddPC\u7aef\u548cPLC\u7aef\u90fd\u6709\u5bf9\u5e94\u7684\u5de5\u4e1a\u4ee5\u592a\u7f51\u63a5\u53e3&#xff0c;\u5e76\u901a\u8fc7\u4ea4\u6362\u673a\u6216\u76f4\u63a5\u8fde\u63a5\u3002\u5bf9\u4e8eMPI\u8fde\u63a5&#xff0c;\u901a\u5e38\u4f7f\u7528\u4e13\u95e8\u7684MPI\u7535\u7f06\u76f4\u63a5\u8fde\u63a5\u5230PLC\u7684MPI\u7aef\u53e3\u3002 <\/p>\n<p> \u65e0\u8bba\u91c7\u7528\u54ea\u79cd\u8fde\u63a5\u65b9\u5f0f&#xff0c;\u90fd\u9700\u8981\u786e\u4fdd\u7f51\u7edc\u914d\u7f6e\u6b63\u786e&#xff0c;\u8fd9\u5305\u62ecIP\u5730\u5740\u8bbe\u7f6e\u3001\u5b50\u7f51\u63a9\u7801\u4ee5\u53ca\u901a\u4fe1\u901f\u7387\u7b49\u53c2\u6570\u3002\u5728\u8fde\u63a5\u8fc7\u7a0b\u4e2d&#xff0c;\u9700\u8981\u9075\u5faa\u897f\u95e8\u5b50PLC\u7684\u76f8\u5173\u6280\u672f\u89c4\u8303&#xff0c;\u4ee5\u4fdd\u8bc1\u8fde\u63a5\u7684\u53ef\u9760\u6027\u548c\u7a33\u5b9a\u6027\u3002 <\/p>\n<h4> 2.2.2 SimaticNet\u5e93\u4e0ePLC\u901a\u4fe1\u7684\u8f6f\u4ef6\u914d\u7f6e\u65b9\u6cd5 <\/h4>\n<p> \u5b8c\u6210\u786c\u4ef6\u8fde\u63a5\u540e&#xff0c;\u63a5\u4e0b\u6765\u662f\u8f6f\u4ef6\u914d\u7f6e\u7684\u8fc7\u7a0b\u3002\u901a\u5e38\u9700\u8981\u5b89\u88c5SimaticNet\u5e93&#xff0c;\u5e76\u5728\u5f00\u53d1\u73af\u5883\u4e2d\u914d\u7f6e\u76f8\u5173\u7684\u5f15\u7528\u3002\u914d\u7f6e\u8fc7\u7a0b\u5305\u62ec\u6307\u5b9aPLC\u7684\u5730\u5740\u3001\u8bbe\u7f6e\u901a\u4fe1\u53c2\u6570\u4ee5\u53ca\u914d\u7f6e\u6570\u636e\u4ea4\u6362\u683c\u5f0f\u7b49\u3002\u5f00\u53d1\u8005\u9700\u8981\u6839\u636e\u6240\u4f7f\u7528\u7684PLC\u578b\u53f7\u548c\u901a\u4fe1\u534f\u8bae&#xff0c;\u6309\u7167\u897f\u95e8\u5b50\u63d0\u4f9b\u7684\u6280\u672f\u6587\u6863\u8fdb\u884c\u914d\u7f6e\u3002 <\/p>\n<p> \u4e00\u65e6\u8f6f\u4ef6\u914d\u7f6e\u5b8c\u6210&#xff0c;\u5c31\u53ef\u4ee5\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528SimaticNet\u5e93\u63d0\u4f9b\u7684API\u8fdb\u884c\u6570\u636e\u7684\u8bfb\u5199\u64cd\u4f5c\u4e86\u3002\u5728\u914d\u7f6e\u7684\u8fc7\u7a0b\u4e2d&#xff0c;\u9700\u8981\u6ce8\u610f\u6570\u636e\u7c7b\u578b\u7684\u4e00\u81f4\u6027\u3001\u5b57\u8282\u5e8f\u7684\u5339\u914d\u4ee5\u53ca\u6570\u636e\u957f\u5ea6\u7684\u51c6\u786e\u6027\u3002\u53ea\u6709\u5f53\u8fd9\u4e9b\u53c2\u6570\u90fd\u6b63\u786e\u914d\u7f6e\u65e0\u8bef\u540e&#xff0c;\u901a\u4fe1\u624d\u80fd\u987a\u5229\u8fdb\u884c\u3002 <\/p>\n<p> \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\u5757\u793a\u4f8b&#xff0c;\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528SimaticNet\u5e93\u6765\u4e0ePLC\u5efa\u7acb\u8fde\u63a5&#xff1a; <\/p>\n<p>\/\/ SimaticNet\u5e93\u8fde\u63a5PLC\u7684\u793a\u4f8b\u4ee3\u7801<br \/>\nusing Siemens.Simatic.Net;<br \/>\nusing Siemens.Simatic.Net\u7684\u54c1\u724cPlc;<br \/>\nusing System;<\/p>\n<p>public class PlcCommunicationExample<br \/>\n{<br \/>\n    \/\/ \u521b\u5efa\u4e00\u4e2aPLC\u5bf9\u8c61<br \/>\n    Plc plc;<\/p>\n<p>    public PlcCommunicationExample(string host, int port)<br \/>\n    {<br \/>\n        \/\/ \u4f7f\u7528\u6307\u5b9a\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u521b\u5efaPLC\u8fde\u63a5<br \/>\n        plc &#061; new Plc(host, port);<br \/>\n    }<\/p>\n<p>    \/\/ \u8fde\u63a5\u5230PLC\u7684\u65b9\u6cd5<br \/>\n    public bool ConnectToPlc()<br \/>\n    {<br \/>\n        try<br \/>\n        {<br \/>\n            \/\/ \u5c1d\u8bd5\u8fde\u63a5\u5230PLC<br \/>\n            plc.Connect();<br \/>\n            return true;<br \/>\n        }<br \/>\n        catch (Exception ex)<br \/>\n        {<br \/>\n            \/\/ \u8fde\u63a5\u5931\u8d25\u65f6\u8f93\u51fa\u5f02\u5e38\u4fe1\u606f<br \/>\n            Console.WriteLine(&#034;\u8fde\u63a5PLC\u5931\u8d25: &#034; &#043; ex.Message);<br \/>\n            return false;<br \/>\n        }<br \/>\n    }<\/p>\n<p>    \/\/ \u8bfb\u53d6PLC\u6570\u636e\u7684\u65b9\u6cd5<br \/>\n    public void ReadData()<br \/>\n    {<br \/>\n        try<br \/>\n        {<br \/>\n            \/\/ \u8bfb\u53d6\u6570\u636e\u5757DB1\u4e2d\u7684\u7b2c1\u4e2a\u5b57\u8282<br \/>\n            var data &#061; plc.ReadByteArray(&#034;DB1.DBX0.0&#034;, 1, 1);<br \/>\n            Console.WriteLine(&#034;\u8bfb\u53d6\u6570\u636e: &#034; &#043; data[0]);<br \/>\n        }<br \/>\n        catch (Exception ex)<br \/>\n        {<br \/>\n            \/\/ \u8bfb\u53d6\u6570\u636e\u5931\u8d25\u65f6\u8f93\u51fa\u5f02\u5e38\u4fe1\u606f<br \/>\n            Console.WriteLine(&#034;\u8bfb\u53d6\u6570\u636e\u5931\u8d25: &#034; &#043; ex.Message);<br \/>\n        }<br \/>\n    }<\/p>\n<p>    \/\/ \u4e3b\u65b9\u6cd5&#xff0c;\u7a0b\u5e8f\u5165\u53e3\u70b9<br \/>\n    public static void Main(string[] args)<br \/>\n    {<br \/>\n        \/\/ \u521b\u5efa\u4e00\u4e2aPLC\u901a\u4fe1\u5bf9\u8c61\u5b9e\u4f8b<br \/>\n        PlcCommunicationExample plcComm &#061; new PlcCommunicationExample(&#034;192.168.0.10&#034;, 102);<\/p>\n<p>        \/\/ \u8fde\u63a5\u5230PLC<br \/>\n        if (plcComm.ConnectToPlc())<br \/>\n        {<br \/>\n            Console.WriteLine(&#034;\u6210\u529f\u8fde\u63a5\u5230PLC\u3002&#034;);<\/p>\n<p>            \/\/ \u8bfb\u53d6\u5e76\u663e\u793a\u6570\u636e<br \/>\n            plcComm.ReadData();<br \/>\n        }<br \/>\n        else<br \/>\n        {<br \/>\n            Console.WriteLine(&#034;\u8fde\u63a5PLC\u5931\u8d25\u3002&#034;);<br \/>\n        }<\/p>\n<p>        Console.ReadKey();<br \/>\n    }<br \/>\n}<\/p>\n<p> \u5728\u8fd9\u4e2a\u4ee3\u7801\u5757\u4e2d&#xff0c;\u9996\u5148\u901a\u8fc7\u6307\u5b9a\u7684PLC IP\u5730\u5740\u548c\u7aef\u53e3\u521b\u5efa\u4e86\u4e00\u4e2aPLC\u5bf9\u8c61&#xff0c;\u5e76\u5c1d\u8bd5\u5efa\u7acb\u8fde\u63a5\u3002\u5982\u679c\u8fde\u63a5\u6210\u529f&#xff0c;\u5219\u5c1d\u8bd5\u8bfb\u53d6\u6570\u636e\u5757DB1\u4e2d\u7684\u4e00\u90e8\u5206\u6570\u636e\u3002\u6574\u4e2a\u8fc7\u7a0b\u4e2d&#xff0c;\u4ee3\u7801\u901a\u8fc7\u5f02\u5e38\u5904\u7406\u673a\u5236\u6765\u786e\u4fdd\u4efb\u4f55\u6b65\u9aa4\u51fa\u9519\u65f6\u90fd\u80fd\u53ca\u65f6\u53cd\u9988\u7ed9\u7528\u6237\u3002 <\/p>\n<p>flowchart TD<br \/>\n    A[\u5f00\u59cb] &#8211;&gt; B{\u521b\u5efaPLC\u5bf9\u8c61}<br \/>\n    B &#8211;&gt; C{\u5c1d\u8bd5\u8fde\u63a5PLC}<br \/>\n    C &#8211;&gt;|\u6210\u529f| D[\u8fde\u63a5PLC]<br \/>\n    C &#8211;&gt;|\u5931\u8d25| E[\u8f93\u51fa\u9519\u8bef\u4fe1\u606f]<br \/>\n    D &#8211;&gt; F{\u8bfb\u53d6PLC\u6570\u636e}<br \/>\n    F &#8211;&gt;|\u6210\u529f| G[\u663e\u793a\u6570\u636e]<br \/>\n    F &#8211;&gt;|\u5931\u8d25| H[\u8f93\u51fa\u9519\u8bef\u4fe1\u606f]<br \/>\n    E &#8211;&gt; I[\u7a0b\u5e8f\u7ed3\u675f]<br \/>\n    G &#8211;&gt; I<br \/>\n    H &#8211;&gt; I<\/p>\n<p> \u901a\u8fc7\u4e0a\u8ff0\u6d41\u7a0b\u56fe&#xff0c;\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u4ece\u521b\u5efaPLC\u5bf9\u8c61\u5230\u8f93\u51fa\u6570\u636e\u6216\u9519\u8bef\u4fe1\u606f\u7684\u6574\u4e2a\u8fc7\u7a0b\u3002\u8fd9\u662f\u5b9e\u73b0SimaticNet\u5e93\u4e0ePLC\u901a\u4fe1\u7684\u4e00\u4e2a\u57fa\u7840\u793a\u4f8b&#xff0c;\u5b9e\u9645\u5e94\u7528\u4e2d\u53ef\u80fd\u9700\u8981\u5904\u7406\u66f4\u52a0\u590d\u6742\u7684\u903b\u8f91\u548c\u6570\u636e\u4ea4\u6362\u683c\u5f0f\u3002 <\/p>\n<h2> 3. VC\u73af\u5883\u4e2dOPC\u670d\u52a1\u5668\u5b9e\u73b0 <\/h2>\n<h3> 3.1 OPC\u670d\u52a1\u5668\u7684\u539f\u7406\u4e0e\u7ed3\u6784 <\/h3>\n<h4> 3.1.1 OPC\u670d\u52a1\u5668\u7684\u5de5\u4f5c\u539f\u7406 <\/h4>\n<p> OPC&#xff08;OLE for Process Control&#xff09;\u670d\u52a1\u5668\u4f5c\u4e3a\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u7684\u4e00\u4e2a\u5173\u952e\u7ec4\u4ef6&#xff0c;\u8d1f\u8d23\u8fde\u63a5\u5e95\u5c42\u7684\u5de5\u4e1a\u8bbe\u5907\u4e0e\u4e0a\u5c42\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u5b83\u901a\u8fc7\u6807\u51c6\u5316\u7684\u63a5\u53e3&#xff0c;\u5141\u8bb8\u4e0d\u540c\u5382\u5546\u751f\u4ea7\u7684\u786c\u4ef6\u8bbe\u5907\u4e0e\u4f17\u591a\u7684\u5e94\u7528\u8f6f\u4ef6\u8fdb\u884c\u6570\u636e\u4ea4\u6362&#xff0c;\u4ece\u800c\u964d\u4f4e\u4e86\u7cfb\u7edf\u96c6\u6210\u7684\u590d\u6742\u5ea6\u548c\u6210\u672c\u3002 <\/p>\n<p> \u5728OPC\u67b6\u6784\u4e2d&#xff0c;\u670d\u52a1\u5668\u626e\u6f14\u4e86\u6570\u636e\u91c7\u96c6\u5668\u7684\u89d2\u8272&#xff0c;\u5b83\u4ece\u73b0\u573a\u8bbe\u5907&#xff08;\u5982\u4f20\u611f\u5668\u3001\u6267\u884c\u5668\u7b49&#xff09;\u83b7\u53d6\u6570\u636e&#xff0c;\u5e76\u5c06\u5176\u683c\u5f0f\u5316\u4e3a\u7edf\u4e00\u7684OPC\u63a5\u53e3\u89c4\u8303&#xff0c;\u63d0\u4f9b\u7ed9\u5ba2\u6237\u7aef\u3002\u8fd9\u6837\u7684\u8bbe\u8ba1\u4f7f\u5f97\u5ba2\u6237\u7aef\u65e0\u9700\u5173\u5fc3\u6570\u636e\u7684\u5177\u4f53\u6765\u6e90\u4e0e\u683c\u5f0f&#xff0c;\u4ece\u800c\u53ef\u4ee5\u4e13\u6ce8\u4e8e\u6570\u636e\u7684\u5904\u7406\u548c\u5e94\u7528\u903b\u8f91\u7684\u5b9e\u73b0\u3002 <\/p>\n<h4> 3.1.2 OPC\u670d\u52a1\u5668\u7684\u5c42\u6b21\u7ed3\u6784 <\/h4>\n<p> OPC\u670d\u52a1\u5668\u7684\u5c42\u6b21\u7ed3\u6784\u901a\u5e38\u5305\u62ec\u7269\u7406\u8bbe\u5907\u5c42\u3001OPC\u670d\u52a1\u5668\u8f6f\u4ef6\u5c42\u548cOPC\u5ba2\u6237\u7aef\u5e94\u7528\u5c42\u3002\u6570\u636e\u9996\u5148\u5728\u7269\u7406\u8bbe\u5907\u5c42\u91c7\u96c6&#xff0c;\u7136\u540e\u901a\u8fc7OPC\u670d\u52a1\u5668\u5c42\u7684\u6570\u636e\u5c01\u88c5\u548c\u683c\u5f0f\u8f6c\u6362&#xff0c;\u6700\u7ec8\u88ab\u5ba2\u6237\u7aef\u5c42\u7684\u5e94\u7528\u7a0b\u5e8f\u6240\u4f7f\u7528\u3002 <\/p>\n<p> \u7269\u7406\u8bbe\u5907\u5c42\u662f\u6700\u5e95\u5c42&#xff0c;\u5305\u542b\u5404\u79cd\u5de5\u4e1a\u81ea\u52a8\u5316\u8bbe\u5907&#xff0c;\u5982PLC\u3001HMI\u3001\u4f20\u611f\u5668\u7b49\u3002OPC\u670d\u52a1\u5668\u5c42\u662f\u6838\u5fc3&#xff0c;\u8d1f\u8d23\u4e0e\u7269\u7406\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1&#xff0c;\u5e76\u63d0\u4f9b\u6807\u51c6\u7684\u6570\u636e\u8bbf\u95ee\u63a5\u53e3\u3002\u5ba2\u6237\u7aef\u5c42\u5219\u662f\u6700\u7ec8\u7684\u4f7f\u7528\u8005&#xff0c;\u53ef\u4ee5\u662f\u6570\u636e\u5206\u6790\u3001\u76d1\u63a7\u7cfb\u7edf\u6216\u8005\u81ea\u5b9a\u4e49\u7684\u5e94\u7528\u7a0b\u5e8f\u3002 <\/p>\n<h3> 3.2 VC\u73af\u5883\u4e2dOPC\u670d\u52a1\u5668\u7684\u5b89\u88c5\u4e0e\u914d\u7f6e <\/h3>\n<h4> 3.2.1 VC\u73af\u5883\u4e2dOPC\u670d\u52a1\u5668\u7684\u5b89\u88c5\u8fc7\u7a0b <\/h4>\n<p> \u5728VC&#xff08;Visual C&#043;&#043;&#xff09;\u73af\u5883\u4e2d\u5b89\u88c5OPC\u670d\u52a1\u5668\u9996\u5148\u9700\u8981\u4e0b\u8f7d\u5bf9\u5e94\u7684OPC\u670d\u52a1\u5668\u8f6f\u4ef6\u5305\u3002\u901a\u5e38&#xff0c;OPC\u57fa\u91d1\u4f1a\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u8ba4\u8bc1\u670d\u52a1\u5668&#xff0c;\u8fd9\u4e9b\u670d\u52a1\u5668\u7ecf\u8fc7\u4e25\u683c\u7684\u6d4b\u8bd5&#xff0c;\u786e\u4fdd\u4e86\u5176\u7a33\u5b9a\u6027\u548c\u517c\u5bb9\u6027\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u5b89\u88c5\u6b65\u9aa4&#xff1a; <\/p>\n<li> \u8bbf\u95eeOPC\u57fa\u91d1\u4f1a\u7684\u5b98\u65b9\u7f51\u7ad9\u6216\u8005\u5176\u4ed6\u53ef\u4fe1\u8d56\u7684\u8f6f\u4ef6\u5206\u53d1\u5e73\u53f0\u4e0b\u8f7dOPC\u670d\u52a1\u5668\u8f6f\u4ef6\u5305\u3002 <\/li>\n<li> \u8fd0\u884c\u5b89\u88c5\u7a0b\u5e8f&#xff0c;\u9075\u5faa\u5b89\u88c5\u5411\u5bfc\u7684\u6307\u793a\u5b8c\u6210\u5b89\u88c5\u3002\u6ce8\u610f&#xff0c;\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u9700\u8981\u9009\u62e9\u4e0eVC\u73af\u5883\u517c\u5bb9\u7684\u7248\u672c\u3002 <\/li>\n<li> \u5b89\u88c5\u5b8c\u6210\u540e&#xff0c;\u901a\u5e38\u9700\u8981\u91cd\u542f\u8ba1\u7b97\u673a\u4ee5\u786e\u4fdd\u6240\u6709\u7684\u7cfb\u7edf\u8def\u5f84\u548c\u73af\u5883\u53d8\u91cf\u88ab\u6b63\u786e\u914d\u7f6e\u3002 <\/li>\n<h4> 3.2.2 VC\u73af\u5883\u4e2dOPC\u670d\u52a1\u5668\u7684\u914d\u7f6e\u65b9\u6cd5 <\/h4>\n<p> \u914d\u7f6eOPC\u670d\u52a1\u5668\u662f\u4e3a\u4e86\u8ba9\u5176\u80fd\u591f\u4e0e\u7279\u5b9a\u7684\u5de5\u4e1a\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\u3002\u6bcf\u79cdOPC\u670d\u52a1\u5668\u7684\u914d\u7f6e\u65b9\u6cd5\u53ef\u80fd\u7565\u6709\u4e0d\u540c&#xff0c;\u4f46\u4e00\u822c\u90fd\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4&#xff1a; <\/p>\n<li> \u542f\u52a8OPC\u670d\u52a1\u5668\u7ba1\u7406\u63a7\u5236\u53f0\u3002\u901a\u5e38\u901a\u8fc7\u684c\u9762\u5feb\u6377\u65b9\u5f0f\u6216\u8005\u5f00\u59cb\u83dc\u5355\u7684\u7a0b\u5e8f\u7ec4\u4e2d\u627e\u5230\u3002 <\/li>\n<li> \u4e3a\u4f60\u7684OPC\u670d\u52a1\u5668\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5e94\u7528\u7a0b\u5e8f\u6216\u8fde\u63a5\u3002\u5728\u7ba1\u7406\u63a7\u5236\u53f0\u4e2d\u6dfb\u52a0\u65b0\u7684\u9879&#xff0c;\u5e76\u6309\u7167\u5411\u5bfc\u7684\u63d0\u793a\u586b\u5199\u5fc5\u8981\u7684\u4fe1\u606f\u3002 <\/li>\n<li> \u8fde\u63a5\u7269\u7406\u8bbe\u5907\u3002\u8fd9\u53ef\u80fd\u6d89\u53ca\u5230\u8bbe\u5907\u7684IP\u5730\u5740\u914d\u7f6e\u3001\u7aef\u53e3\u53f7\u8bbe\u7f6e\u3001\u8bbe\u5907\u8282\u70b9\u914d\u7f6e\u7b49\u3002 <\/li>\n<li> \u6d4b\u8bd5\u8fde\u63a5\u3002\u5b8c\u6210\u8bbe\u5907\u8fde\u63a5\u540e&#xff0c;\u8fdb\u884c\u7b80\u5355\u7684\u8bfb\u5199\u6d4b\u8bd5&#xff0c;\u4ee5\u786e\u4fdd\u6570\u636e\u80fd\u591f\u6b63\u786e\u6d41\u901a\u3002 <\/li>\n<li> \u8c03\u6574\u9ad8\u7ea7\u8bbe\u7f6e\u3002\u6839\u636e\u5b9e\u9645\u7684\u5e94\u7528\u9700\u6c42&#xff0c;\u914d\u7f6e\u540c\u6b65\/\u5f02\u6b65\u8bfb\u5199\u53c2\u6570\u3001\u7f13\u5b58\u8bbe\u7f6e\u3001\u5b89\u5168\u673a\u5236\u7b49\u3002 <\/li>\n<p>graph LR<br \/>\n    A[\u5f00\u59cb] &#8211;&gt; B[\u4e0b\u8f7dOPC\u670d\u52a1\u5668\u8f6f\u4ef6\u5305]<br \/>\n    B &#8211;&gt; C[\u8fd0\u884c\u5b89\u88c5\u7a0b\u5e8f]<br \/>\n    C &#8211;&gt; D[\u91cd\u542f\u8ba1\u7b97\u673a]<br \/>\n    D &#8211;&gt; E[\u542f\u52a8OPC\u670d\u52a1\u5668\u7ba1\u7406\u63a7\u5236\u53f0]<br \/>\n    E &#8211;&gt; F[\u6dfb\u52a0\u65b0\u7684\u5e94\u7528\u7a0b\u5e8f\u6216\u8fde\u63a5]<br \/>\n    F &#8211;&gt; G[\u8fde\u63a5\u7269\u7406\u8bbe\u5907]<br \/>\n    G &#8211;&gt; H[\u8fdb\u884c\u6d4b\u8bd5\u8fde\u63a5]<br \/>\n    H &#8211;&gt; I[\u8c03\u6574\u9ad8\u7ea7\u8bbe\u7f6e]<br \/>\n    I &#8211;&gt; J[\u5b8c\u6210\u914d\u7f6e]<\/p>\n<p> \u5728\u914d\u7f6e\u8fc7\u7a0b\u4e2d&#xff0c;\u786e\u4fdd\u9075\u5faa\u4e86\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5&#xff1a; <\/p>\n<ul>\n<li> \u786e\u4fdd\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u8f6f\u4ef6\u5728\u76f8\u540c\u7f51\u7edc\u73af\u5883\u4e0b\u3002 <\/li>\n<li> \u4f7f\u7528\u9759\u6001IP\u5730\u5740&#xff0c;\u907f\u514dIP\u53d8\u52a8\u5bfc\u81f4\u901a\u4fe1\u95ee\u9898\u3002 <\/li>\n<li> \u5728\u5b89\u5168\u7684\u7f51\u7edc\u73af\u5883\u4e2d\u8fdb\u884c\u6570\u636e\u4f20\u8f93&#xff0c;\u786e\u4fdd\u6570\u636e\u4e0d\u88ab\u622a\u83b7\u3002 <\/li>\n<\/ul>\n<p> \u901a\u8fc7\u4e0a\u8ff0\u6b65\u9aa4&#xff0c;OPC\u670d\u52a1\u5668\u5728VC\u73af\u5883\u4e2d\u7684\u5b89\u88c5\u548c\u914d\u7f6e\u57fa\u672c\u5b8c\u6210\u3002\u8fd9\u4e3a\u540e\u7eed\u5ba2\u6237\u7aef\u7684\u5e94\u7528\u5f00\u53d1\u548c\u6570\u636e\u8bbf\u95ee\u6253\u4e0b\u4e86\u575a\u5b9e\u7684\u57fa\u7840\u3002 <\/p>\n<h2> 4. OPC\u540c\u6b65\u8bfb\u5199\u6280\u672f <\/h2>\n<p> \u5728\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\u4e2d&#xff0c;OPC\u540c\u6b65\u8bfb\u5199\u6280\u672f\u662f\u5b9e\u73b0\u6570\u636e\u901a\u4fe1\u7684\u91cd\u8981\u624b\u6bb5\u3002\u5b83\u80fd\u591f\u786e\u4fdd\u6570\u636e\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u95f4\u51c6\u786e\u3001\u53ca\u65f6\u5730\u4f20\u8f93\u3002\u672c\u7ae0\u5c06\u6df1\u5165\u63a2\u8ba8OPC\u540c\u6b65\u8bfb\u5199\u7684\u539f\u7406\u4e0e\u5b9e\u73b0\u65b9\u6cd5&#xff0c;\u4ee5\u53ca\u5b83\u7684\u4f18\u7f3a\u70b9\u5206\u6790\u3002 <\/p>\n<h3> 4.1 OPC\u540c\u6b65\u8bfb\u5199\u7684\u539f\u7406\u4e0e\u5b9e\u73b0 <\/h3>\n<h4> 4.1.1 OPC\u540c\u6b65\u8bfb\u5199\u7684\u5de5\u4f5c\u539f\u7406 <\/h4>\n<p> \u540c\u6b65\u8bfb\u5199\u662f\u4e00\u79cd\u6570\u636e\u4ea4\u4e92\u65b9\u5f0f&#xff0c;\u5ba2\u6237\u7aef\u53d1\u9001\u8bfb\u5199\u8bf7\u6c42\u540e&#xff0c;\u4f1a\u5728\u7b49\u5f85\u670d\u52a1\u5668\u54cd\u5e94\u7684\u8fc7\u7a0b\u4e2d\u505c\u6b62\u5176\u4ed6\u64cd\u4f5c&#xff0c;\u76f4\u5230\u8be5\u8bf7\u6c42\u5f97\u5230\u6ee1\u8db3\u3002\u8fd9\u79cd\u901a\u4fe1\u65b9\u5f0f\u9002\u7528\u4e8e\u5bf9\u6570\u636e\u5b9e\u65f6\u6027\u8981\u6c42\u6781\u9ad8\u7684\u573a\u666f&#xff0c;\u56e0\u4e3a\u5b83\u4fdd\u8bc1\u4e86\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u987a\u5e8f\u6027\u3002 <\/p>\n<p> \u5728\u540c\u6b65\u6a21\u5f0f\u4e0b&#xff0c;OPC\u5ba2\u6237\u7aef\u901a\u8fc7\u8c03\u7528OPC\u670d\u52a1\u5668\u66b4\u9732\u7684\u540c\u6b65\u63a5\u53e3\u53d1\u9001\u8bf7\u6c42\u3002\u670d\u52a1\u5668\u6536\u5230\u8bf7\u6c42\u540e&#xff0c;\u5728\u5b8c\u6210\u6570\u636e\u5904\u7406&#xff08;\u8bfb\u53d6\u6216\u5199\u5165&#xff09;\u4e4b\u524d&#xff0c;\u4e0d\u4f1a\u5904\u7406\u5176\u4ed6\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u3002\u8fd9\u610f\u5473\u7740&#xff0c;\u5982\u679c\u670d\u52a1\u5668\u7aef\u51fa\u73b0\u5ef6\u8fdf\u6216\u6545\u969c&#xff0c;\u5ba2\u6237\u7aef\u5c06\u4e0d\u5f97\u4e0d\u7b49\u5f85&#xff0c;\u8fd9\u53ef\u80fd\u5bfc\u81f4\u7cfb\u7edf\u54cd\u5e94\u65f6\u95f4\u589e\u52a0\u3002 <\/p>\n<h4> 4.1.2 OPC\u540c\u6b65\u8bfb\u5199\u7684\u5b9e\u73b0\u65b9\u6cd5 <\/h4>\n<p> \u5728VC\u73af\u5883\u4e2d&#xff0c;\u5b9e\u73b0OPC\u540c\u6b65\u8bfb\u5199\u901a\u5e38\u9700\u8981\u4f7f\u7528\u652f\u6301OPC\u6807\u51c6\u7684\u5ba2\u6237\u7aef\u5e93&#xff0c;\u6bd4\u5982OPC Foundation\u63d0\u4f9b\u7684OPC DA (Data Access)\u5ba2\u6237\u7aef\u5e93\u3002\u4ee5\u4e0b\u662f\u4e00\u6bb5\u793a\u4f8b\u4ee3\u7801&#xff0c;\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u8be5\u5e93\u8fdb\u884c\u540c\u6b65\u8bfb\u64cd\u4f5c&#xff1a; <\/p>\n<p>\/\/ \u521d\u59cb\u5316OPC\u670d\u52a1\u5668\u548cOPC\u7ec4<br \/>\nCLSID clsid;<br \/>\nCLSIDFromProgID(L&#034;OPCServerProgID&#034;, &amp;clsid);<br \/>\nIOpcServerPtr spServer;<\/p>\n<p>\/\/ \u8fde\u63a5\u5230OPC\u670d\u52a1\u5668<br \/>\nhr &#061; spServer.CreateInstance(clsid);<br \/>\nif (FAILED(hr)) { \/* \u9519\u8bef\u5904\u7406 *\/ }<\/p>\n<p>hr &#061; spServer-&gt;Connect(OPCToString, NULL);<br \/>\nif (FAILED(hr)) { \/* \u9519\u8bef\u5904\u7406 *\/ }<\/p>\n<p>\/\/ \u521b\u5efaOPC\u7ec4<br \/>\nBSTR bstrName &#061; SysAllocString(L&#034;MyGroup&#034;);<br \/>\nIOpcGroupPtr spGroup;<br \/>\nhr &#061; spServer-&gt;AddGroup(bstrName, TRUE, &amp;spGroup);<br \/>\nSysFreeString(bstrName);<br \/>\nif (FAILED(hr)) { \/* \u9519\u8bef\u5904\u7406 *\/ }<\/p>\n<p>\/\/ \u914d\u7f6e\u8bfb\u53d6\u53c2\u6570<br \/>\nOPCITEMSTATE* pValues &#061; NULL;<br \/>\nOPCITEMRESULT* pResults &#061; new OPCITEMRESULT[items.size()];<br \/>\nDWORD dwTransactionID;<br \/>\nfor (size_t i &#061; 0; i &lt; items.size(); &#043;&#043;i) {<br \/>\n    pResults[i].dwBlobSize &#061; 0;<br \/>\n    pResults[i].pvDataBlob &#061; NULL;<br \/>\n    pResults[i].dwquality &#061; 0;<br \/>\n    pResults[i].pError &#061; NULL;<br \/>\n    pResults[i].vt &#061; VT_EMPTY;<br \/>\n    pResults[i].hItem &#061; items[i].hItem;<br \/>\n}<br \/>\nhr &#061; spGroup-&gt;Read(items.size(), items.data(), TRUE, &amp;dwTransactionID, pResults);<br \/>\nif (FAILED(hr)) { \/* \u9519\u8bef\u5904\u7406 *\/ }<\/p>\n<p>\/\/ \u89e3\u6790\u8bfb\u53d6\u7ed3\u679c<br \/>\nfor (size_t i &#061; 0; i &lt; items.size(); &#043;&#043;i) {<br \/>\n    \/\/ \u6839\u636epResults[i].vt\u5c06\u503c\u89e3\u6790\u5230values\u4e2d<br \/>\n    \/\/ &#8230;<br \/>\n}<\/p>\n<p>\/\/ \u6e05\u7406\u8d44\u6e90<br \/>\ndelete[] pResults;<br \/>\n\/\/ &#8230;<\/p>\n<p>\/\/ \u65ad\u5f00\u4e0eOPC\u670d\u52a1\u5668\u7684\u8fde\u63a5<br \/>\nspGroup-&gt;Release();<br \/>\nspServer-&gt;Disconnect();<\/p>\n<p> \u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d&#xff0c;\u9996\u5148\u521d\u59cb\u5316\u4e86OPC\u670d\u52a1\u5668\u5e76\u521b\u5efa\u4e86\u4e00\u4e2a\u7ec4\u3002\u7136\u540e\u914d\u7f6e\u4e86\u8bfb\u53d6\u53c2\u6570&#xff0c;\u5305\u62ec\u8981\u8bfb\u53d6\u7684\u9879\u7684\u6570\u7ec4\u548c\u6570\u91cf\u3002\u901a\u8fc7  Read  \u51fd\u6570\u540c\u6b65\u5730\u8bfb\u53d6\u670d\u52a1\u5668\u4e2d\u7684\u6570\u636e&#xff0c;\u5e76\u901a\u8fc7\u8fd4\u56de\u7684  OPCITEMRESULT  \u7ed3\u6784\u4f53\u89e3\u6790\u51fa\u9700\u8981\u7684\u6570\u636e\u3002 <\/p>\n<h4> 4.1.3 OPC\u540c\u6b65\u8bfb\u5199\u7684\u53c2\u6570\u8bf4\u660e <\/h4>\n<p> \u5728\u540c\u6b65\u8bfb\u5199\u4e2d&#xff0c;\u9700\u8981\u7279\u522b\u6ce8\u610f\u4ee5\u4e0b\u53c2\u6570&#xff1a; <\/p>\n<ul>\n<li>  OPCITEMSTATE  : \u7528\u4e8e\u5b9a\u4e49\u8981\u8bfb\u53d6\u7684\u9879\u7684\u72b6\u6001&#xff0c;\u5305\u62ec\u503c\u3001\u8d28\u91cf\u4ee5\u53ca\u65f6\u95f4\u6233\u7b49\u4fe1\u606f\u3002 <\/li>\n<li>  OPCITEMRESULT  : \u7528\u4e8e\u4fdd\u5b58\u8bfb\u53d6\u64cd\u4f5c\u8fd4\u56de\u7684\u7ed3\u679c\u3002 <\/li>\n<li>  hr  : \u7528\u4e8e\u63a5\u6536\u64cd\u4f5c\u7684\u8fd4\u56de\u4ee3\u7801&#xff0c;\u5b83\u80fd\u63d0\u4f9b\u64cd\u4f5c\u6210\u529f\u6216\u5931\u8d25\u7684\u4fe1\u606f\u3002 <\/li>\n<\/ul>\n<h3> 4.2 OPC\u540c\u6b65\u8bfb\u5199\u7684\u4f18\u7f3a\u70b9\u5206\u6790 <\/h3>\n<h4> 4.2.1 OPC\u540c\u6b65\u8bfb\u5199\u7684\u4f18\u70b9 <\/h4>\n<p> \u540c\u6b65\u8bfb\u5199\u7684\u4f18\u70b9\u4f53\u73b0\u5728\u80fd\u591f\u4fdd\u8bc1\u6570\u636e\u7684\u5f3a\u4e00\u81f4\u6027\u3002\u5728\u8981\u6c42\u6570\u636e\u8bfb\u5199\u5fc5\u987b\u5b8c\u6210\u624d\u80fd\u8fdb\u884c\u4e0b\u4e00\u6b65\u64cd\u4f5c\u7684\u573a\u5408&#xff0c;\u5982\u5b89\u5168\u76d1\u63a7\u7cfb\u7edf\u4e2d&#xff0c;\u8fd9\u4e00\u7279\u6027\u81f3\u5173\u91cd\u8981\u3002\u4f7f\u7528\u540c\u6b65\u8bfb\u5199\u65f6&#xff0c;\u670d\u52a1\u5668\u7aef\u7684\u6bcf\u6b21\u64cd\u4f5c\u90fd\u6709\u660e\u786e\u7684\u5f00\u59cb\u548c\u7ed3\u675f&#xff0c;\u8fd9\u4fbf\u4e8e\u8fdb\u884c\u4e8b\u52a1\u7ba1\u7406\u3002 <\/p>\n<h4> 4.2.2 OPC\u540c\u6b65\u8bfb\u5199\u7684\u7f3a\u70b9\u4e0e\u9002\u7528\u573a\u666f <\/h4>\n<p> \u7136\u800c&#xff0c;\u540c\u6b65\u8bfb\u5199\u7684\u7f3a\u70b9\u4e5f\u5f88\u660e\u663e\u3002\u5b83\u4f1a\u9020\u6210\u5ba2\u6237\u7aef\u5728\u7b49\u5f85\u670d\u52a1\u5668\u54cd\u5e94\u671f\u95f4\u7684\u8d44\u6e90\u95f2\u7f6e&#xff0c;\u8fd9\u5728\u9ad8\u8d1f\u8f7d\u60c5\u51b5\u4e0b\u53ef\u80fd\u5bfc\u81f4\u4e25\u91cd\u7684\u7cfb\u7edf\u6027\u80fd\u95ee\u9898\u3002\u540c\u6b65\u6a21\u5f0f\u9002\u7528\u4e8e\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u5f88\u9ad8\u4f46\u5bf9\u5ef6\u8fdf\u4e0d\u654f\u611f\u7684\u7cfb\u7edf&#xff0c;\u4f8b\u5982&#xff0c;\u9700\u8981\u5bf9\u5b9e\u65f6\u6570\u636e\u8fdb\u884c\u7cbe\u786e\u63a7\u5236\u7684\u5de5\u4e1a\u8bbe\u5907\u3002 <\/p>\n<p> \u4e3a\u4e86\u8fdb\u4e00\u6b65\u8bf4\u660eOPC\u540c\u6b65\u8bfb\u5199\u6280\u672f&#xff0c;\u4ee5\u4e0b\u662f\u4e00\u4e2a\u8868\u683c&#xff0c;\u6bd4\u8f83\u4e86\u540c\u6b65\u548c\u5f02\u6b65\u8bfb\u5199\u5728\u4e0d\u540c\u65b9\u9762\u7684\u8868\u73b0&#xff1a; <\/p>\n<p> | \u7279\u6027 | OPC\u540c\u6b65\u8bfb\u5199 | OPC\u5f02\u6b65\u8bfb\u5199 | | &#8212; | &#8212; | &#8212; | | \u5b9e\u65f6\u6027 | \u9ad8 | \u4e2d\u7b49\u6216\u9ad8&#xff08;\u53d6\u51b3\u4e8e\u7279\u5b9a\u5b9e\u73b0&#xff09; | | \u8d44\u6e90\u5229\u7528\u7387 | \u4f4e | \u9ad8 | | \u7cfb\u7edf\u54cd\u5e94\u65f6\u95f4 | \u53ef\u80fd\u957f | \u77ed | | \u5b9e\u73b0\u590d\u6742\u6027 | \u8f83\u7b80\u5355 | \u8f83\u590d\u6742 | | \u9519\u8bef\u5904\u7406 | \u76f8\u5bf9\u7b80\u5355 | \u53ef\u80fd\u590d\u6742&#xff0c;\u9700\u8003\u8651\u56de\u8c03\u548c\u72b6\u6001\u7ba1\u7406 | | \u9002\u7528\u573a\u666f | \u5b9e\u65f6\u63a7\u5236\u7cfb\u7edf\u3001\u5b89\u5168\u76d1\u63a7\u7cfb\u7edf | \u6570\u636e\u91c7\u96c6\u7cfb\u7edf\u3001\u9ad8\u5e76\u53d1\u573a\u666f | <\/p>\n<p> \u901a\u8fc7\u6df1\u5165\u7406\u89e3\u540c\u6b65\u8bfb\u5199\u7684\u539f\u7406\u4e0e\u5b9e\u73b0\u65b9\u6cd5&#xff0c;\u7ed3\u5408\u4f18\u7f3a\u70b9\u5206\u6790&#xff0c;\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u52a0\u5408\u7406\u5730\u9009\u62e9\u540c\u6b65\u6216\u5f02\u6b65\u8bfb\u5199\u6280\u672f&#xff0c;\u4ee5\u9002\u5e94\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u3002\u4e0b\u4e00\u7ae0\u8282\u5c06\u6df1\u5165\u63a2\u8ba8OPC\u5f02\u6b65\u8bfb\u5199\u6280\u672f&#xff0c;\u4e3a\u8bfb\u8005\u63d0\u4f9b\u66f4\u591a\u7684\u6570\u636e\u901a\u4fe1\u9009\u62e9\u3002 <\/p>\n<h2> 5. OPC\u5f02\u6b65\u8bfb\u5199\u6280\u672f <\/h2>\n<h3> 5.1 OPC\u5f02\u6b65\u8bfb\u5199\u7684\u539f\u7406\u4e0e\u5b9e\u73b0 <\/h3>\n<h4> 5.1.1 OPC\u5f02\u6b65\u8bfb\u5199\u7684\u5de5\u4f5c\u539f\u7406 <\/h4>\n<p> \u5f02\u6b65\u8bfb\u5199\u662fOPC\u6280\u672f\u4e2d\u4e00\u4e2a\u5173\u952e\u7279\u6027&#xff0c;\u5b83\u5141\u8bb8\u6570\u636e\u4f20\u8f93\u4e0d\u9700\u8981\u7b49\u5f85\u4e0a\u4e00\u6b21\u64cd\u4f5c\u7684\u5b8c\u6210\u5373\u53ef\u5f00\u59cb\u4e0b\u4e00\u6b21\u64cd\u4f5c\u3002\u5728OPC\u7684\u5f02\u6b65\u8bfb\u5199\u8fc7\u7a0b\u4e2d&#xff0c;\u5ba2\u6237\u7aef\u63d0\u4ea4\u4e00\u4e2a\u8bf7\u6c42\u7ed9\u670d\u52a1\u5668\u540e&#xff0c;\u4e0d\u4f1a\u7acb\u5373\u7b49\u5f85\u670d\u52a1\u5668\u7684\u54cd\u5e94&#xff0c;\u800c\u662f\u7ee7\u7eed\u6267\u884c\u540e\u7eed\u7684\u64cd\u4f5c\u3002\u670d\u52a1\u5668\u5728\u5904\u7406\u5b8c\u6bd5\u540e&#xff0c;\u901a\u8fc7\u56de\u8c03\u51fd\u6570&#xff08;callback function&#xff09;\u6216\u8005\u4e8b\u4ef6&#xff08;event&#xff09;\u901a\u77e5\u5ba2\u6237\u7aef\u6570\u636e\u5df2\u7ecf\u51c6\u5907\u597d&#xff0c;\u6b64\u65f6\u5ba2\u6237\u7aef\u518d\u8fdb\u884c\u6570\u636e\u7684\u8bfb\u53d6\u3002 <\/p>\n<p> OPC\u5f02\u6b65\u8bfb\u5199\u901a\u8fc7\u4f7f\u7528\u72ec\u7acb\u7684\u7ebf\u7a0b\u6216\u540e\u53f0\u4efb\u52a1\u6765\u5904\u7406\u8f93\u5165\u8f93\u51fa\u64cd\u4f5c&#xff0c;\u4ece\u800c\u63d0\u9ad8\u4e86\u6548\u7387\u548c\u6027\u80fd&#xff0c;\u7279\u522b\u662f\u5728\u7f51\u7edc\u73af\u5883\u4e0d\u7a33\u5b9a\u6216\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6&#xff0c;\u8fd9\u79cd\u6280\u672f\u53ef\u4ee5\u663e\u8457\u51cf\u5c11\u901a\u4fe1\u5ef6\u8fdf\u548c\u63d0\u9ad8\u6570\u636e\u541e\u5410\u91cf\u3002 <\/p>\n<h4> 5.1.2 OPC\u5f02\u6b65\u8bfb\u5199\u7684\u5b9e\u73b0\u65b9\u6cd5 <\/h4>\n<p> \u5728OPC\u5ba2\u6237\u7aef\u4e2d&#xff0c;\u5f02\u6b65\u8bfb\u5199\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u5b9e\u73b0&#xff1a; <\/p>\n<li>\n<p>  \u56de\u8c03\u51fd\u6570  &#xff1a;\u5ba2\u6237\u7aef\u5728\u53d1\u8d77\u5f02\u6b65\u8bfb\u5199\u8bf7\u6c42\u65f6&#xff0c;\u53ef\u4ee5\u6307\u5b9a\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\u3002\u5f53\u670d\u52a1\u5668\u5b8c\u6210\u6570\u636e\u5904\u7406\u65f6&#xff0c;\u4f1a\u8c03\u7528\u8fd9\u4e2a\u56de\u8c03\u51fd\u6570&#xff0c;\u5ba2\u6237\u7aef\u5728\u8be5\u51fd\u6570\u4e2d\u5b9e\u73b0\u6570\u636e\u7684\u63a5\u6536\u903b\u8f91\u3002  csharp \/\/ \u793a\u4f8b\u4ee3\u7801&#xff08;C#&#xff09;&#xff1a;\u5f02\u6b65\u8bfb\u53d6\u7684\u56de\u8c03\u51fd\u6570 private void ReadCallback(IOPCItemMgt itemMgt, int transactionID, object transactionContext, int quality, int timestamp, int dwStringVal, object pBlobVal) { \/\/ \u8bfb\u53d6\u6570\u636e\u540e\u7684\u5904\u7406\u903b\u8f91 \/\/ transactionContext \u662f\u4f20\u9012\u7ed9\u5f02\u6b65\u8bf7\u6c42\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f }  <\/p>\n<\/li>\n<li>\n<p>  \u4e8b\u4ef6\u901a\u77e5  &#xff1a;\u901a\u8fc7\u8ba2\u9605\u670d\u52a1\u5668\u53d1\u51fa\u7684\u4e8b\u4ef6\u6765\u83b7\u53d6\u6570\u636e\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0b&#xff0c;\u670d\u52a1\u5668\u5728\u6570\u636e\u51c6\u5907\u597d\u65f6\u4f1a\u89e6\u53d1\u4e8b\u4ef6&#xff0c;\u5ba2\u6237\u7aef\u63a5\u6536\u5230\u4e8b\u4ef6\u901a\u77e5\u540e\u6267\u884c\u76f8\u5e94\u7684\u6570\u636e\u5904\u7406\u903b\u8f91\u3002 <\/p>\n<\/li>\n<p>  csharp \/\/ \u793a\u4f8b\u4ee3\u7801&#xff08;C#&#xff09;&#xff1a;\u4f7f\u7528\u4e8b\u4ef6\u8fdb\u884c\u5f02\u6b65\u6570\u636e\u8bfb\u53d6 public void SubscribeToItemChangeEvents(IOPCItemMgt itemMgt) { \/\/ \u8ba2\u9605\u4e8b\u4ef6\u5904\u7406\u903b\u8f91 }  <\/p>\n<li>  \u8f6e\u8be2\u673a\u5236  &#xff1a;\u5728\u6ca1\u6709\u4e8b\u4ef6\u901a\u77e5\u7684\u60c5\u51b5\u4e0b&#xff0c;\u5ba2\u6237\u7aef\u9700\u8981\u5468\u671f\u6027\u5730\u8f6e\u8be2\u670d\u52a1\u5668&#xff0c;\u68c0\u67e5\u6570\u636e\u662f\u5426\u5df2\u7ecf\u51c6\u5907\u597d&#xff0c;\u7136\u540e\u8fdb\u884c\u8bfb\u53d6\u3002 <\/li>\n<p> \u5728\u5b9e\u73b0\u5f02\u6b65\u8bfb\u5199\u65f6&#xff0c;\u5f00\u53d1\u8005\u9700\u8981\u5904\u7406\u7ebf\u7a0b\u540c\u6b65\u95ee\u9898\u548c\u6570\u636e\u4e00\u81f4\u6027\u95ee\u9898\u3002\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b&#xff0c;\u5fc5\u987b\u786e\u4fdd\u8d44\u6e90\u8bbf\u95ee\u7684\u7ebf\u7a0b\u5b89\u5168&#xff0c;\u9632\u6b62\u7ade\u6001\u6761\u4ef6\u7684\u53d1\u751f\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u9501&#xff08;Locks&#xff09;\u3001\u4fe1\u53f7\u91cf&#xff08;Semaphores&#xff09;\u6216\u8005\u5176\u4ed6\u540c\u6b65\u673a\u5236\u6765\u4fdd\u8bc1\u6570\u636e\u5904\u7406\u7684\u6b63\u786e\u6027\u3002 <\/p>\n<h3> 5.2 OPC\u5f02\u6b65\u8bfb\u5199\u7684\u4f18\u7f3a\u70b9\u5206\u6790 <\/h3>\n<h4> 5.2.1 OPC\u5f02\u6b65\u8bfb\u5199\u7684\u4f18\u70b9 <\/h4>\n<ul>\n<li>  \u63d0\u9ad8\u6548\u7387  &#xff1a;\u7531\u4e8e\u4e0d\u9700\u8981\u7b49\u5f85\u670d\u52a1\u5668\u7684\u54cd\u5e94&#xff0c;\u5ba2\u6237\u7aef\u53ef\u4ee5\u5728\u670d\u52a1\u5668\u5904\u7406\u8bf7\u6c42\u7684\u540c\u65f6\u6267\u884c\u5176\u4ed6\u4efb\u52a1&#xff0c;\u6781\u5927\u63d0\u9ad8\u4e86\u7a0b\u5e8f\u7684\u6267\u884c\u6548\u7387\u3002 <\/li>\n<li>  \u51cf\u5c11\u5ef6\u8fdf  &#xff1a;\u5728\u9ad8\u5ef6\u8fdf\u7684\u7f51\u7edc\u73af\u5883\u4e0b&#xff0c;\u5f02\u6b65\u8bfb\u5199\u53ef\u4ee5\u51cf\u5c11\u7b49\u5f85\u670d\u52a1\u5668\u54cd\u5e94\u7684\u65f6\u95f4&#xff0c;\u63d0\u9ad8\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u3002 <\/li>\n<li>  \u6269\u5c55\u6027  &#xff1a;\u5f02\u6b65\u8bfb\u5199\u6a21\u5f0f\u652f\u6301\u66f4\u9ad8\u7684\u6570\u636e\u541e\u5410\u91cf&#xff0c;\u9002\u5408\u9700\u8981\u5904\u7406\u5927\u91cf\u6570\u636e\u7684\u5e94\u7528\u573a\u666f\u3002 <\/li>\n<\/ul>\n<h4> 5.2.2 OPC\u5f02\u6b65\u8bfb\u5199\u7684\u7f3a\u70b9\u4e0e\u9002\u7528\u573a\u666f <\/h4>\n<ul>\n<li>  \u590d\u6742\u6027\u9ad8  &#xff1a;\u76f8\u8f83\u4e8e\u540c\u6b65\u8bfb\u5199&#xff0c;\u5f02\u6b65\u8bfb\u5199\u7684\u5b9e\u73b0\u590d\u6742\u5ea6\u66f4\u9ad8\u3002\u5f00\u53d1\u8005\u9700\u8981\u8bbe\u8ba1\u989d\u5916\u7684\u903b\u8f91\u6765\u5904\u7406\u5f02\u6b65\u64cd\u4f5c\u7684\u56de\u8c03\u548c\u72b6\u6001\u66f4\u65b0\u3002 <\/li>\n<li>  \u8d44\u6e90\u6d88\u8017  &#xff1a;\u5f02\u6b65\u8bfb\u5199\u53ef\u80fd\u4f1a\u589e\u52a0\u7cfb\u7edf\u7684\u8d44\u6e90\u6d88\u8017&#xff0c;\u5c24\u5176\u662f\u5728\u9700\u8981\u5927\u91cf\u5e76\u53d1\u5f02\u6b65\u64cd\u4f5c\u65f6&#xff0c;\u53ef\u80fd\u4f1a\u5bf9\u670d\u52a1\u5668\u9020\u6210\u989d\u5916\u8d1f\u62c5\u3002 <\/li>\n<li>  \u9002\u7528\u573a\u666f  &#xff1a;\u5f02\u6b65\u8bfb\u5199\u6280\u672f\u9002\u7528\u4e8e\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u3001\u6570\u636e\u91cf\u5927\u3001\u901a\u4fe1\u9891\u7e41\u7684\u573a\u666f&#xff0c;\u5982\u5b9e\u65f6\u6570\u636e\u76d1\u63a7\u3001\u5927\u5bb9\u91cf\u6570\u636e\u4ea4\u6362\u7b49\u5e94\u7528\u3002 <\/li>\n<\/ul>\n<p> \u901a\u8fc7\u4ee5\u4e0a\u5206\u6790&#xff0c;\u6211\u4eec\u53ef\u4ee5\u770b\u51fa&#xff0c;OPC\u5f02\u6b65\u8bfb\u5199\u6280\u672f\u5728\u5f88\u591a\u65b9\u9762\u90fd\u663e\u793a\u51fa\u4e86\u5b83\u7684\u4f18\u52bf&#xff0c;\u5c24\u5176\u662f\u5728\u6027\u80fd\u8981\u6c42\u8f83\u9ad8\u7684\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u3002\u7136\u800c&#xff0c;\u5b83\u7684\u5b9e\u73b0\u548c\u4f7f\u7528\u96be\u5ea6\u4e5f\u76f8\u5bf9\u8f83\u9ad8&#xff0c;\u9700\u8981\u5f00\u53d1\u8005\u5177\u6709\u4e00\u5b9a\u7684\u7f16\u7a0b\u7ecf\u9a8c\u548c\u5bf9\u591a\u7ebf\u7a0b\u73af\u5883\u7684\u6df1\u523b\u7406\u89e3\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d&#xff0c;\u9009\u62e9\u9002\u5f53\u7684\u8bfb\u5199\u6280\u672f\u5bf9\u4e8e\u4fdd\u8bc1\u7cfb\u7edf\u7684\u7a33\u5b9a\u8fd0\u884c\u548c\u6027\u80fd\u4f18\u5316\u81f3\u5173\u91cd\u8981\u3002 <\/p>\n<h2> 6. OPC\u901a\u4fe1\u673a\u5236\u5b9e\u6218\u89e3\u6790 <\/h2>\n<p> \u5728\u6df1\u5165\u63a2\u8ba8\u4e86OPC\u6807\u51c6\u3001SimaticNet\u5e93\u4e0ePLC\u7684\u901a\u4fe1\u3001VC\u73af\u5883\u4e0bOPC\u670d\u52a1\u5668\u7684\u914d\u7f6e\u4ee5\u53ca\u540c\u6b65\u4e0e\u5f02\u6b65\u8bfb\u5199\u6280\u672f\u4e4b\u540e&#xff0c;\u672c\u7ae0\u5c06\u5b9e\u6218\u89e3\u6790OPC\u901a\u4fe1\u673a\u5236&#xff0c;\u5e76\u63a2\u8ba8\u5176\u4f18\u5316\u7b56\u7565\u3002 <\/p>\n<h3> 6.1 OPC\u901a\u4fe1\u673a\u5236\u7684\u5b9e\u6218\u5e94\u7528 <\/h3>\n<p> OPC\u901a\u4fe1\u673a\u5236\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u4e2d&#xff0c;\u4ee5\u5b9e\u73b0\u4e0d\u540c\u8bbe\u5907\u548c\u7cfb\u7edf\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u3002\u5728\u8fd9\u4e00\u8282\u4e2d&#xff0c;\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u4e2a\u5b9e\u9645\u6848\u4f8b\u6765\u5206\u6790OPC\u901a\u4fe1\u673a\u5236\u7684\u5e94\u7528\u3002 <\/p>\n<h4> 6.1.1 OPC\u901a\u4fe1\u673a\u5236\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\u7684\u5e94\u7528 <\/h4>\n<p> \u5728\u81ea\u52a8\u5316\u751f\u4ea7\u7ebf\u4e2d&#xff0c;\u591a\u4e2a\u63a7\u5236\u5355\u5143\u548c\u4f20\u611f\u5668\u7684\u6570\u636e\u9700\u8981\u88ab\u96c6\u4e2d\u76d1\u63a7\u548c\u7ba1\u7406\u3002\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u5de5\u5382\u81ea\u52a8\u5316\u7cfb\u7edf&#xff0c;\u8be5\u7cfb\u7edf\u5305\u62ec\u6e29\u5ea6\u4f20\u611f\u5668\u3001\u538b\u529b\u4f20\u611f\u5668\u548c\u6d41\u901f\u4f20\u611f\u5668\u7b49&#xff0c;\u5b83\u4eec\u901a\u8fc7PLC\u8fde\u63a5&#xff0c;\u5e76\u4f7f\u7528OPC\u6280\u672f\u4e0e\u4e0a\u4f4d\u673a\u8fdb\u884c\u901a\u4fe1\u3002 <\/p>\n<p>  \u6b65\u9aa4\u5206\u6790&#xff1a;  1.  OPC\u670d\u52a1\u5668\u5b89\u88c5  &#xff1a;\u9996\u5148&#xff0c;\u5728\u4e0a\u4f4d\u673a\u4e0a\u5b89\u88c5OPC\u670d\u52a1\u5668\u8f6f\u4ef6&#xff0c;\u5e76\u914d\u7f6e\u597d\u4e0ePLC\u7684\u901a\u4fe1\u53c2\u6570\u3002 2.  PLC\u4e0eOPC\u670d\u52a1\u5668\u7684\u8fde\u63a5  &#xff1a;\u901a\u8fc7\u5de5\u4e1a\u4ee5\u592a\u7f51\u5c06PLC\u4e0eOPC\u670d\u52a1\u5668\u8fde\u63a5&#xff0c;\u5e76\u786e\u4fdd\u5b83\u4eec\u5728\u540c\u4e00\u4e2a\u7f51\u7edc\u6bb5\u5185\u3002 3.  \u6570\u636e\u8bfb\u5199  &#xff1a;OPC\u5ba2\u6237\u7aef&#xff08;\u76d1\u63a7\u8f6f\u4ef6&#xff09;\u901a\u8fc7OPC\u670d\u52a1\u5668\u8bfb\u53d6\u4f20\u611f\u5668\u6570\u636e&#xff0c;\u76d1\u63a7\u8f6f\u4ef6\u663e\u793a\u5b9e\u65f6\u6570\u636e&#xff0c;\u5e76\u6839\u636e\u9700\u8981\u5bf9PLC\u53d1\u51fa\u63a7\u5236\u6307\u4ee4\u3002 <\/p>\n<p>  \u4ee3\u7801\u793a\u4f8b&#xff1a;  <\/p>\n<p>\/\/ C#\u4ee3\u7801\u793a\u4f8b&#xff0c;\u7528\u4e8e\u8bfb\u53d6OPC\u9879<br \/>\nstring itemId &#061; &#034;Sensor.Temperature&#034;;<br \/>\n\/\/ \u521b\u5efaOPC\u9879\u503c\u7684\u5b9e\u4f8b<br \/>\nOPCITEMDEF itemDef;<br \/>\nitemDef.bCritical &#061; (short)OPCCriticality.DontCare;<br \/>\nitemDef.bDatatype &#061; Opc.Da.SAFETY.gcaNative;<br \/>\nitemDef.dwBlobSize &#061; 0;<br \/>\nitemDef.szAccessPath &#061; null;<br \/>\nitemDef.szItemName &#061; itemId;<\/p>\n<p>\/\/ \u83b7\u53d6\u6570\u636e<br \/>\nobject value;<br \/>\nOPCITEMSTATUS[] itemStatus &#061; new OPCITEMSTATUS[1];<br \/>\nserver.Read(1, new[] { itemDef }, out itemStatus);<br \/>\nvalue &#061; itemStatus[0].vDataValue;<\/p>\n<h4> 6.1.2 OPC\u901a\u4fe1\u673a\u5236\u5728\u4e0d\u540c\u573a\u666f\u4e0b\u7684\u5e94\u7528\u5206\u6790 <\/h4>\n<p> \u4e0d\u540c\u7684\u5de5\u4e1a\u81ea\u52a8\u5316\u573a\u666f\u5bf9OPC\u901a\u4fe1\u673a\u5236\u7684\u5e94\u7528\u6709\u4e0d\u540c\u7684\u8981\u6c42\u3002\u4f8b\u5982&#xff0c;\u5728\u4e00\u4e2a\u9ad8\u7cbe\u5ea6\u8981\u6c42\u7684\u5236\u836f\u5382\u4e2d&#xff0c;\u53ef\u80fd\u9700\u8981\u901a\u8fc7OPC\u540c\u6b65\u8bfb\u5199\u6765\u83b7\u53d6\u4f20\u611f\u5668\u7684\u7cbe\u786e\u6570\u636e&#xff0c;\u4ee5\u786e\u4fdd\u5316\u5b66\u53cd\u5e94\u8fc7\u7a0b\u7684\u51c6\u786e\u63a7\u5236\u3002\u800c\u5728\u4e00\u4e2a\u5b9e\u65f6\u7269\u6d41\u8ffd\u8e2a\u7cfb\u7edf\u4e2d&#xff0c;\u5219\u53ef\u80fd\u9700\u8981\u4f9d\u8d56OPC\u5f02\u6b65\u8bfb\u5199\u6765\u5904\u7406\u5927\u91cf\u8bbe\u5907\u7684\u5b9e\u65f6\u6570\u636e\u3002 <\/p>\n<p>  \u8868\u683c\u8bf4\u660e&#xff1a;  | \u573a\u666f | \u901a\u4fe1\u9700\u6c42 | \u9002\u7528OPC\u6280\u672f | |&#8212;&#8212;|&#8212;&#8212;&#8212;-|&#8212;&#8212;&#8212;&#8212;&#8211;| | \u5236\u836f\u5382 | \u9ad8\u7cbe\u5ea6\u6570\u636e\u540c\u6b65 | \u540c\u6b65\u8bfb\u5199 | | \u7269\u6d41\u8ffd\u8e2a | \u5927\u91cf\u5b9e\u65f6\u6570\u636e\u5904\u7406 | \u5f02\u6b65\u8bfb\u5199 | <\/p>\n<h3> 6.2 OPC\u901a\u4fe1\u673a\u5236\u7684\u4f18\u5316\u7b56\u7565 <\/h3>\n<p> OPC\u901a\u4fe1\u867d\u7136\u529f\u80fd\u5f3a\u5927&#xff0c;\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u4ecd\u53ef\u80fd\u9047\u5230\u6548\u7387\u4f4e\u4e0b\u3001\u7a33\u5b9a\u6027\u4e0d\u8db3\u7b49\u95ee\u9898\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f18\u5316OPC\u901a\u4fe1\u673a\u5236\u7684\u7b56\u7565\u3002 <\/p>\n<h4> 6.2.1 \u63d0\u9ad8OPC\u901a\u4fe1\u6548\u7387\u7684\u65b9\u6cd5 <\/h4>\n<p> \u4e3a\u4e86\u63d0\u9ad8OPC\u901a\u4fe1\u7684\u6548\u7387&#xff0c;\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd&#xff1a; <\/p>\n<ul>\n<li>  \u51cf\u5c11\u6570\u636e\u4f20\u8f93\u91cf  &#xff1a;\u4ec5\u4f20\u8f93\u5fc5\u987b\u7684\u6570\u636e\u9879&#xff0c;\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u6570\u636e\u66f4\u65b0\u3002 <\/li>\n<li>  \u4f7f\u7528\u4f18\u5316\u7684OPC\u670d\u52a1\u5668  &#xff1a;\u9009\u62e9\u6027\u80fd\u66f4\u9ad8\u3001\u517c\u5bb9\u6027\u66f4\u597d\u7684OPC\u670d\u52a1\u5668\u8f6f\u4ef6\u3002 <\/li>\n<li>  \u7f51\u7edc\u4f18\u5316  &#xff1a;\u786e\u4fdd\u7f51\u7edc\u73af\u5883\u7a33\u5b9a&#xff0c;\u51cf\u5c11\u7f51\u7edc\u5ef6\u8fdf\u548c\u4e22\u5305\u7387\u3002 <\/li>\n<\/ul>\n<h4> 6.2.2 \u89e3\u51b3OPC\u901a\u4fe1\u4e2d\u5e38\u89c1\u95ee\u9898\u7684\u7b56\u7565 <\/h4>\n<p> \u5728\u4f7f\u7528OPC\u901a\u4fe1\u65f6&#xff0c;\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u7684\u95ee\u9898&#xff0c;\u5982\u8fde\u63a5\u5931\u8d25\u3001\u6570\u636e\u8bfb\u5199\u9519\u8bef\u7b49\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u9488\u5bf9\u6027\u7684\u89e3\u51b3\u65b9\u6848&#xff1a; <\/p>\n<ul>\n<li>  \u8fde\u63a5\u5931\u8d25  &#xff1a;\u68c0\u67e5\u7f51\u7edc\u8fde\u63a5\u548c\u9632\u706b\u5899\u8bbe\u7f6e&#xff0c;\u786e\u4fddOPC\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u901a\u9053\u7545\u901a\u3002 <\/li>\n<li>  \u6570\u636e\u8bfb\u5199\u9519\u8bef  &#xff1a;\u68c0\u67e5\u6570\u636e\u9879\u914d\u7f6e\u662f\u5426\u6b63\u786e&#xff0c;\u5305\u62ec\u6570\u636e\u7c7b\u578b\u548c\u6570\u636e\u8303\u56f4\u8bbe\u7f6e\u3002 <\/li>\n<li>  \u5b9e\u65f6\u6027\u4e0d\u8db3  &#xff1a;\u4f18\u5316\u6570\u636e\u8bfb\u5199\u7b56\u7565&#xff0c;\u4f7f\u7528\u5f02\u6b65\u8bfb\u5199\u6280\u672f\u63d0\u9ad8\u5b9e\u65f6\u54cd\u5e94\u901f\u5ea6\u3002 <\/li>\n<\/ul>\n<p> \u901a\u8fc7\u4ee5\u4e0a\u7ae0\u8282\u5185\u5bb9\u7684\u5c55\u5f00&#xff0c;\u6211\u4eec\u6df1\u5165\u7406\u89e3\u4e86OPC\u901a\u4fe1\u673a\u5236\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u7684\u5e94\u7528\u548c\u4f18\u5316\u7b56\u7565&#xff0c;\u4e3a\u672a\u6765\u7684\u5b9e\u9645\u64cd\u4f5c\u63d0\u4f9b\u4e86\u7406\u8bba\u4f9d\u636e\u548c\u6280\u672f\u652f\u6301\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\/06\/20250611234553-684a15312cfb7.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom;cursor:text\" \/> <\/p>\n<p> \u7b80\u4ecb&#xff1a;OPC\u4f5c\u4e3a\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u7684\u6570\u636e\u4ea4\u6362\u6807\u51c6&#xff0c;\u7279\u522b\u5728Windows\u5e73\u53f0\u4e0b\u7528\u4e8e\u8bbe\u5907\u901a\u4fe1&#xff0c;SimaticNet\u5e93\u5219\u7528\u4e8e\u521b\u5efa\u4e0e\u897f\u95e8\u5b50PLC\u901a\u4fe1\u7684OPC\u5ba2\u6237\u7aef\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u89e3\u6790\u5728VC\u73af\u5883\u4e0b&#xff0c;\u5982\u4f55\u901a\u8fc7SimaticNet\u5b9e\u73b0OPC\u670d\u52a1\u5668&#xff0c;\u5305\u62ec\u540c\u6b65\u548c\u5f02\u6b65\u7684\u8bfb\u5199\u65b9\u6cd5&#xff0c;\u5e76\u7ed3\u5408\u6e90\u7801\u89e3\u91ca\u3002\u540c\u6b65\u8bfb\u5199\u4f1a\u4f7f\u5ba2\u6237\u7aef\u7b49\u5f85\u670d\u52a1\u5668\u54cd\u5e94&#xff0c;\u800c\u5f02\u6b65\u8bfb\u5199\u5141\u8bb8\u5ba2\u6237\u7aef\u5728\u540e\u53f0\u7ebf\u7a0b\u5904\u7406\u8bf7\u6c42&#xff0c;\u63d0\u4f9b\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u54cd\u5e94\u6027\u3002\u5f00\u53d1\u8005\u901a\u8fc7\u638c\u63e1\u8fd9\u4e9b\u6280\u672f&#xff0c;\u53ef\u4ee5\u5b9e\u73b0\u4e0ePLC\u7684\u6709\u6548\u4ea4\u4e92\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\/06\/20250611234553-684a15312cfb7.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom;cursor:text\" \/> <\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb805\u6b21\uff0c\u70b9\u8d5e29\u6b21\uff0c\u6536\u85cf8\u6b21\u3002SimaticNet\u5e93\u662f\u4e00\u4e2a\u4e13\u95e8\u9488\u5bf9\u897f\u95e8\u5b50PLC\uff08\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668\uff09\u901a\u4fe1\u800c\u8bbe\u8ba1\u7684\u8f6f\u4ef6\u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u901a\u4fe1\u534f\u8bae\u5b9e\u73b0\uff0c\u4f7f\u5f97\u7528\u6237\u80fd\u591f\u5728PC\u6216\u670d\u52a1\u5668\u4e0a\u4e0ePLC\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002SimaticNet\u5e93\u7684\u6700\u5927\u7279\u70b9\u5728\u4e8e\u5b83\u652f\u6301\u591a\u79cd\u901a\u4fe1\u6807\u51c6\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u5de5\u4e1a\u4ee5\u592a\u7f51\u3001PROFIBUS\u3001MPI\uff08\u591a\u70b9\u63a5\u53e3\uff09\u7b49\uff0c\u8fd9\u4f7f\u5f97\u5b83\u80fd\u591f\u5728\u5404\u79cd\u5de5\u4e1a\u73af\u5883\u4e2d\u9ad8\u6548\u8fd0\u884c\u3002\u5728\u529f\u80fd\u4e0a\uff0cSimaticNet\u5e93\u5141\u8bb8\u7528\u6237\u8bfb\u53d6\u548c\u5199\u5165PLC\u7684\u6570\u636e\u5757\uff0c\u5904\u7406\u6d88\u606f\u961f\u5217\uff0c\u4ee5\u53ca\u5b9e\u73b0\u66f4\u52a0\u590d\u6742\u7684\u901a\u8baf\u903b\u8f91\u3002<\/p>\n","protected":false},"author":2,"featured_media":43354,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-43356","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4f7f\u7528VC\u901a\u8fc7SimaticNet\u5b9e\u73b0OPC\u670d\u52a1\u5668\u7684\u540c\u6b65\u4e0e\u5f02\u6b65\u901a\u4fe1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/43356.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528VC\u901a\u8fc7SimaticNet\u5b9e\u73b0OPC\u670d\u52a1\u5668\u7684\u540c\u6b65\u4e0e\u5f02\u6b65\u901a\u4fe1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb805\u6b21\uff0c\u70b9\u8d5e29\u6b21\uff0c\u6536\u85cf8\u6b21\u3002SimaticNet\u5e93\u662f\u4e00\u4e2a\u4e13\u95e8\u9488\u5bf9\u897f\u95e8\u5b50PLC\uff08\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668\uff09\u901a\u4fe1\u800c\u8bbe\u8ba1\u7684\u8f6f\u4ef6\u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u901a\u4fe1\u534f\u8bae\u5b9e\u73b0\uff0c\u4f7f\u5f97\u7528\u6237\u80fd\u591f\u5728PC\u6216\u670d\u52a1\u5668\u4e0a\u4e0ePLC\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002SimaticNet\u5e93\u7684\u6700\u5927\u7279\u70b9\u5728\u4e8e\u5b83\u652f\u6301\u591a\u79cd\u901a\u4fe1\u6807\u51c6\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u5de5\u4e1a\u4ee5\u592a\u7f51\u3001PROFIBUS\u3001MPI\uff08\u591a\u70b9\u63a5\u53e3\uff09\u7b49\uff0c\u8fd9\u4f7f\u5f97\u5b83\u80fd\u591f\u5728\u5404\u79cd\u5de5\u4e1a\u73af\u5883\u4e2d\u9ad8\u6548\u8fd0\u884c\u3002\u5728\u529f\u80fd\u4e0a\uff0cSimaticNet\u5e93\u5141\u8bb8\u7528\u6237\u8bfb\u53d6\u548c\u5199\u5165PLC\u7684\u6570\u636e\u5757\uff0c\u5904\u7406\u6d88\u606f\u961f\u5217\uff0c\u4ee5\u53ca\u5b9e\u73b0\u66f4\u52a0\u590d\u6742\u7684\u901a\u8baf\u903b\u8f91\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/43356.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-11T23:45:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250611234553-684a15312cfb7.gif\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/43356.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/43356.html\",\"name\":\"\u4f7f\u7528VC\u901a\u8fc7SimaticNet\u5b9e\u73b0OPC\u670d\u52a1\u5668\u7684\u540c\u6b65\u4e0e\u5f02\u6b65\u901a\u4fe1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2025-06-11T23:45:54+00:00\",\"dateModified\":\"2025-06-11T23:45:54+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/43356.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/43356.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/43356.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u4f7f\u7528VC\u901a\u8fc7SimaticNet\u5b9e\u73b0OPC\u670d\u52a1\u5668\u7684\u540c\u6b65\u4e0e\u5f02\u6b65\u901a\u4fe1\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u4f7f\u7528VC\u901a\u8fc7SimaticNet\u5b9e\u73b0OPC\u670d\u52a1\u5668\u7684\u540c\u6b65\u4e0e\u5f02\u6b65\u901a\u4fe1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/43356.html","og_locale":"zh_CN","og_type":"article","og_title":"\u4f7f\u7528VC\u901a\u8fc7SimaticNet\u5b9e\u73b0OPC\u670d\u52a1\u5668\u7684\u540c\u6b65\u4e0e\u5f02\u6b65\u901a\u4fe1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb805\u6b21\uff0c\u70b9\u8d5e29\u6b21\uff0c\u6536\u85cf8\u6b21\u3002SimaticNet\u5e93\u662f\u4e00\u4e2a\u4e13\u95e8\u9488\u5bf9\u897f\u95e8\u5b50PLC\uff08\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668\uff09\u901a\u4fe1\u800c\u8bbe\u8ba1\u7684\u8f6f\u4ef6\u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u901a\u4fe1\u534f\u8bae\u5b9e\u73b0\uff0c\u4f7f\u5f97\u7528\u6237\u80fd\u591f\u5728PC\u6216\u670d\u52a1\u5668\u4e0a\u4e0ePLC\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002SimaticNet\u5e93\u7684\u6700\u5927\u7279\u70b9\u5728\u4e8e\u5b83\u652f\u6301\u591a\u79cd\u901a\u4fe1\u6807\u51c6\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u5de5\u4e1a\u4ee5\u592a\u7f51\u3001PROFIBUS\u3001MPI\uff08\u591a\u70b9\u63a5\u53e3\uff09\u7b49\uff0c\u8fd9\u4f7f\u5f97\u5b83\u80fd\u591f\u5728\u5404\u79cd\u5de5\u4e1a\u73af\u5883\u4e2d\u9ad8\u6548\u8fd0\u884c\u3002\u5728\u529f\u80fd\u4e0a\uff0cSimaticNet\u5e93\u5141\u8bb8\u7528\u6237\u8bfb\u53d6\u548c\u5199\u5165PLC\u7684\u6570\u636e\u5757\uff0c\u5904\u7406\u6d88\u606f\u961f\u5217\uff0c\u4ee5\u53ca\u5b9e\u73b0\u66f4\u52a0\u590d\u6742\u7684\u901a\u8baf\u903b\u8f91\u3002","og_url":"https:\/\/www.wsisp.com\/helps\/43356.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2025-06-11T23:45:54+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250611234553-684a15312cfb7.gif"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"6 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/43356.html","url":"https:\/\/www.wsisp.com\/helps\/43356.html","name":"\u4f7f\u7528VC\u901a\u8fc7SimaticNet\u5b9e\u73b0OPC\u670d\u52a1\u5668\u7684\u540c\u6b65\u4e0e\u5f02\u6b65\u901a\u4fe1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2025-06-11T23:45:54+00:00","dateModified":"2025-06-11T23:45:54+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/43356.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/43356.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/43356.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u4f7f\u7528VC\u901a\u8fc7SimaticNet\u5b9e\u73b0OPC\u670d\u52a1\u5668\u7684\u540c\u6b65\u4e0e\u5f02\u6b65\u901a\u4fe1"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/43356","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=43356"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/43356\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/43354"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=43356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=43356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=43356"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=43356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}