"# \u6469\u5c14\u4fe1\u4f7f(MThings)\u5e38\u7528PLC\u5bc4\u5b58\u5668\u914d\u7f6e\u5b9e\u4f8b\uff08\u9644\u56fe\uff09\n\n> 2023-08-02 | 2023-08-02\n> https:\/\/www.modbus.cn\/en\/21017.html\n\n**Node-RED**\n\n---\n\nModbus\u662f\u5de5\u63a7\u9886\u57df\u4e2d\u6700\u5e38\u89c1\u7684\u901a\u8baf\u534f\u8bae\u4e4b\u4e00\uff0c\u56e0\u6b64\u5728PLC\u4e2d\u4e5f\u662f\u5e38\u7528\u7684\u534f\u8bae\u4e4b\u4e00\u3002\u8bb8\u591aPLC\u90fd\u652f\u6301Modbus\u534f\u8bae\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7Modbus\u534f\u8bae\u4e0e\u5176\u4ed6\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\u3002Modbus\u534f\u8bae\u53ef\u4ee5\u5728\u4e32\u884c\u901a\u4fe1\u548c\u4ee5\u592a\u7f51\u901a\u4fe1\u4e2d\u4f7f\u7528\uff0c\u4f7f\u5176\u6210\u4e3a\u4e00\u4e2a\u975e\u5e38\u7075\u6d3b\u548c\u5e7f\u6cdb\u5e94\u7528\u7684\u534f\u8bae\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u8bf4Modbus\u5728PLC\u4e2d\u5e76\u4e0d\u662f\u5c0f\u4f17\u3002\r\n\u672c\u6587\u5f15\u7528https:\/\/blog.csdn.net\/w181108233\/article\/details\/124734830\uff0c\u4ecb\u7ecd21\u6b3e\u5e38\u89c1PLC\u8bbe\u5907\u7684\u5bc4\u5b58\u5668\u914d\u7f6e\u5b9e\u4f8b\uff0c\u5e76\u9644\u6469\u5c14\u4fe1\u4f7fMThings\u6570\u636e\u914d\u7f6e\u622a\u56fe\u3002\r\n\r\n\r\n\r\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/08\/20230802091501232.png)\r\n\r\n\r\n\r\n1\u3001\u4e09\u83f1FX3G-40MR\/ES-A:1\r\nX\u5143\u4ef6\u652f\u6301Modbus\u4e4b02\u529f\u80fd\u7801\uff1b\r\nY\u5143\u4ef6\u652f\u6301Modbus\u4e4b01\u300105\u300115\u529f\u80fd\u7801\uff1b\r\nD\u5143\u4ef6\u652f\u6301Modbus\u4e4b03\u300106\u300116\u529f\u80fd\u7801\u3002\r\n\r\n\r\n\r\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/08\/20230802091502574.png)\r\n\r\n\r\n\u00a0\r\n\r\n\r\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/08\/20230802091503636.png)\r\n\r\n\r\n\r\n2\u3001\u897f\u95e8\u5b50S7-200 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\r\n\r\n\r\n\r\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/08\/20230802091542885.png)\r\n\r\n\r\n\u00a0\r\n\r\n\r\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/08\/20230802091543264.png)\r\n\r\n\r\n\r\n20\u3001\u6b65\u79d1K508-40AR\r\nI\u5143\u4ef6\u652f\u6301Modbus\u4e4b02\u529f\u80fd\u7801\uff1b\r\nQ\u5143\u4ef6\u652f\u6301Modbus\u4e4b01\u300105\u300115\u529f\u80fd\u7801\uff1b\r\nV\u5143\u4ef6\u652f\u6301Modbus\u4e4b03\u300106\u300116\u529f\u80fd\u7801\u3002\r\n\r\n\r\n\r\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/08\/20230802091544474.png)\r\n\r\n\r\n\u00a0\r\n\r\n\r\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/08\/20230802091545636.png)\r\n\r\n\r\n\r\n21\u3001\u897f\u95e8\u5b50S7-1200\r\nI\u5143\u4ef6\u652f\u6301Modbus\u4e4b02\u529f\u80fd\u7801\uff1b\r\nQ\u5143\u4ef6\u652f\u6301Modbus\u4e4b01\u300105\u300115\u529f\u80fd\u7801\uff1b\r\nV\u5143\u4ef6\u652f\u6301Modbus\u4e4b03\u300106\u300116\u529f\u80fd\u7801\u3002\r\n\r\n\r\n\r\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/08\/20230802091546514.png)\r\n\r\n\r\n\r\n 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