{"id":1437,"date":"2021-08-27T17:58:56","date_gmt":"2021-08-27T09:58:56","guid":{"rendered":"https:\/\/www.hcpk1.com\/?p=1437"},"modified":"2022-12-01T15:04:39","modified_gmt":"2022-12-01T07:04:39","slug":"modbus%e5%8d%8f%e8%ae%ae%e8%a7%a3%e6%9e%90%e6%a0%bc%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/www.hcpk1.com\/%e6%96%b0%e9%97%bb%e8%b5%84%e8%ae%af\/1437.html","title":{"rendered":"Modbus\u534f\u8bae\u89e3\u6790\u683c\u5f0f"},"content":{"rendered":"\n<p>        Modbus\u534f\u8bae\u5305\u62ecASCII\u3001RTU\u3001TCP\u7b49\uff0c\u5e76\u6ca1\u6709\u89c4\u5b9a\u7269\u7406\u5c42\u3002\u6b64\u534f\u8bae\u5b9a\u4e49\u4e86\u63a7\u5236\u5668\u80fd\u591f\u8ba4\u8bc6\u548c\u4f7f\u7528\u7684\u6d88\u606f\u7ed3\u6784\uff0c\u800c\u4e0d\u7ba1\u5b83\u4eec\u662f\u7ecf\u8fc7\u4f55\u79cd\u7f51\u7edc\u8fdb\u884c\u901a\u4fe1\u7684\u3002\u6807\u51c6\u7684Modicon\u63a7\u5236\u5668\u4f7f\u7528RS232C\u5b9e\u73b0\u4e32\u884c\u7684Modbus\u3002Modbus\u7684ASCII\u3001RTU\u534f\u8bae\u89c4\u5b9a\u4e86\u6d88\u606f\u3001\u6570\u636e\u7684\u7ed3\u6784\u3001\u547d\u4ee4\u548c\u5c31\u7b54\u7684\u65b9\u5f0f\uff0c\u6570\u636e\u901a\u8baf\u91c7\u7528Maser\/Slave\u65b9\u5f0f\uff0cMaster\u7aef\u53d1\u51fa\u6570\u636e\u8bf7\u6c42\u6d88\u606f\uff0cSlave\u7aef\u63a5\u6536\u5230\u6b63\u786e\u6d88\u606f\u540e\u5c31\u53ef\u4ee5\u53d1\u9001\u6570\u636e\u5230Master\u7aef\u4ee5\u54cd\u5e94\u8bf7\u6c42\uff1bMaster\u7aef\u4e5f\u53ef\u4ee5\u76f4\u63a5\u53d1\u6d88\u606f\u4fee\u6539Slave\u7aef\u7684\u6570\u636e\uff0c\u5b9e\u73b0\u53cc\u5411\u8bfb\u5199\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Modbus\u7279\u70b9<\/strong><\/h2>\n\n\n\n<p>Modbus\u5177\u6709\u4ee5\u4e0b\u51e0\u4e2a\u7279\u70b9\uff1a<\/p>\n\n\n\n<p>\uff081\uff09\u6807\u51c6\u3001\u5f00\u653e\uff0c\u7528\u6237\u53ef\u4ee5\u514d\u8d39\u3001\u653e\u5fc3\u5730\u4f7f\u7528Modbus\u534f\u8bae\uff0c\u4e0d\u9700\u8981\u4ea4\u7eb3\u8bb8\u53ef\u8bc1\u8d39\uff0c\u4e5f\u4e0d\u4f1a\u4fb5\u72af\u77e5\u8bc6\u4ea7\u6743\u3002\u76ee\u524d\uff0c\u652f\u6301Modbus\u7684\u5382\u5bb6\u8d85\u8fc7400\u5bb6\uff0c\u652f\u6301Modbus\u7684\u4ea7\u54c1\u8d85\u8fc7600\u79cd\u3002<\/p>\n\n\n\n<p>\uff082\uff09Modbus\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u7535\u6c14\u63a5\u53e3\uff0c\u5982RS-232\u3001RS-485\u7b49\uff0c\u8fd8\u53ef\u4ee5\u5728\u5404\u79cd\u4ecb\u8d28\u4e0a\u4f20\u9001\uff0c\u5982\u53cc\u7ede\u7ebf\u3001\u5149\u7ea4\u3001\u65e0\u7ebf\u7b49\u3002<\/p>\n\n\n\n<p>\uff083\uff09Modbus\u7684\u5e27\u683c\u5f0f\u7b80\u5355\u3001\u7d27\u51d1\uff0c\u901a\u4fd7\u6613\u61c2\u3002\u7528\u6237\u4f7f\u7528\u5bb9\u6613\uff0c\u5382\u5546\u5f00\u53d1\u7b80\u5355\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>modbus rtu\u529f\u80fd\u7801<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1 \u529f\u80fd\u7801\u201c02\u201d\uff1a\u8bfb1\u8def\u6216\u591a\u8def\u5f00\u5173\u91cf\u72b6\u6001\u8f93\u5165<\/strong><\/h3>\n\n\n\n<p>\u4f8b\u5982\uff1a\u4e3b\u673a\u8981\u8bfb\u53d6\u5730\u5740\u4e3a01\uff0c\u5f00\u5173\u91cfDI1\u2014DI4\u7684\u8f93\u5165\u72b6\u6001\u3002<\/p>\n\n\n\n<p>\u4ece\u673a\uff08PDM\uff09\u6570\u636e\u5bc4\u5b58\u5668\u7684\u5730\u5740\u548c\u6570\u636e\u4e3a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/file.elecfans.com\/web1\/M00\/45\/E0\/o4YBAFp6rn6AYRS4AAAYTAdNLTU049.png\" alt=\"modbus rtu\u516d\u79cd\u529f\u80fd\u7801\u8be6\u7ec6\u89e3\u6790\"\/><\/figure>\n\n\n\n<p>\u4e3b\u673a\u53d1\u9001\u7684\u62a5\u6587\u683c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/file.elecfans.com\/web1\/M00\/45\/E4\/pIYBAFp6rr2Ae97UAABQ-WXcIoI237.png\" alt=\"modbus rtu\u516d\u79cd\u529f\u80fd\u7801\u8be6\u7ec6\u89e3\u6790\"\/><\/figure>\n\n\n\n<p>\u4ece\u673a\uff08PDM\uff09\u54cd\u5e94\u8fd4\u56de\u7684\u62a5\u6587\u683c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/file.elecfans.com\/web1\/M00\/45\/E0\/o4YBAFp6rtGAJ6LqAABM0s3TpUk302.png\" alt=\"modbus rtu\u516d\u79cd\u529f\u80fd\u7801\u8be6\u7ec6\u89e3\u6790\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2 \u529f\u80fd\u7801\u201c01\u201d\uff1a\u8bfb1\u8def\u6216\u591a\u8def\u5f00\u5173\u91cf\u8f93\u51fa\u72b6\u6001<\/strong><\/h3>\n\n\n\n<p>\u4f8b\u5982\uff1a\u4e3b\u673a\u8981\u8bfb\u53d6\u5730\u5740\u4e3a01\uff0c\u5f00\u5173\u91cfDO1\uff0cDO2\u7684\u8f93\u51fa\u72b6\u6001\u3002<\/p>\n\n\n\n<p>\u4ece\u673a\uff08PDM\uff09\u6570\u636e\u5bc4\u5b58\u5668\u7684\u5730\u5740\u548c\u6570\u636e\u4e3a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/file.elecfans.com\/web1\/M00\/45\/E4\/pIYBAFp6rwSAJ_nuAAAWVG1Ub24343.png\" alt=\"modbus rtu\u516d\u79cd\u529f\u80fd\u7801\u8be6\u7ec6\u89e3\u6790\"\/><\/figure>\n\n\n\n<p>\u4e3b\u673a\u53d1\u9001\u7684\u62a5\u6587\u683c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/file.elecfans.com\/web1\/M00\/45\/E4\/pIYBAFp6rxiAaacFAABSpyjqgZ8477.png\" alt=\"modbus rtu\u516d\u79cd\u529f\u80fd\u7801\u8be6\u7ec6\u89e3\u6790\"\/><\/figure>\n\n\n\n<p>\u4ece\u673a\uff08PDM\uff09\u54cd\u5e94\u8fd4\u56de\u7684\u62a5\u6587\u683c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/file.elecfans.com\/web1\/M00\/45\/E0\/o4YBAFp6rw2AQSLDAABN6LK3JnI696.png\" alt=\"modbus rtu\u516d\u79cd\u529f\u80fd\u7801\u8be6\u7ec6\u89e3\u6790\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3 \u529f\u80fd\u7801\u201c03\u201d\uff1a\u8bfb\u591a\u8def\u5bc4\u5b58\u5668\u8f93\u5165<\/strong><\/h3>\n\n\n\n<p>\u4f8b\u5982\uff1a\u4e3b\u673a\u8981\u8bfb\u53d6\u5730\u5740\u4e3a01\uff0c\u8d77\u59cb\u5730\u5740\u4e3a0116\u76843\u4e2a\u4ece\u673a\u5bc4\u5b58\u5668\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u4ece\u673a\uff08PDM\uff09\u6570\u636e\u5bc4\u5b58\u5668\u7684\u5730\u5740\u548c\u6570\u636e\u4e3a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/file.elecfans.com\/web1\/M00\/45\/E4\/pIYBAFp6r1aAXlctAAAyijVfTbE619.png\" alt=\"modbus rtu\u516d\u79cd\u529f\u80fd\u7801\u8be6\u7ec6\u89e3\u6790\"\/><\/figure>\n\n\n\n<p>\u4e3b\u673a\u53d1\u9001\u7684\u62a5\u6587\u683c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/file.elecfans.com\/web1\/M00\/45\/E0\/o4YBAFp6r1OAFBmcAABMAP3zEL4640.png\" alt=\"modbus rtu\u516d\u79cd\u529f\u80fd\u7801\u8be6\u7ec6\u89e3\u6790\"\/><\/figure>\n\n\n\n<p>\u4ece\u673a\uff08PDM\uff09\u54cd\u5e94\u8fd4\u56de\u7684\u62a5\u6587\u683c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/file.elecfans.com\/web1\/M00\/45\/E4\/pIYBAFp6r36AO71gAABh238mFC8572.png\" alt=\"modbus rtu\u516d\u79cd\u529f\u80fd\u7801\u8be6\u7ec6\u89e3\u6790\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4 \u529f\u80fd\u7801\u201c05\u201d\uff1a\u51991\u8def\u5f00\u5173\u91cf\u8f93\u51fa\uff08\u201c\u9065\u63a7\u201d\uff09<\/strong><\/h3>\n\n\n\n<p>\u4f8b1\uff1a\u5f00\u5173\u91cf\u8f93\u51fa\u70b9DO1\uff0c\u5176\u5f53\u524d\u72b6\u6001\u4e3a\u201c\u5206\u201d\uff0c\u4e3b\u673a\u8981\u63a7\u5236\u8be5\u8def\u7ee7\u7535\u5668\u201c\u5408\u201d\u3002<\/p>\n\n\n\n<p>\u63a7\u5236\u547d\u4ee4\u4e3a\uff1a<\/p>\n\n\n\n<p>\u201cFF00\u201d\u4e3a\u63a7\u5236\u7ee7\u7535\u5668\u201c\u5408\u201d\uff1b<\/p>\n\n\n\n<p>\u201c0000\u201d\u4e3a\u63a7\u5236\u7ee7\u7535\u5668\u201c\u5206\u201d\uff1b<\/p>\n\n\n\n<p>\u4e3b\u673a\u53d1\u9001\u7684\u62a5\u6587\u683c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/file.elecfans.com\/web1\/M00\/45\/E4\/pIYBAFp6r5KAXW8GAABTi6l7NWk624.png\" alt=\"modbus rtu\u516d\u79cd\u529f\u80fd\u7801\u8be6\u7ec6\u89e3\u6790\"\/><\/figure>\n\n\n\n<p>\u4ece\u673a\uff08PDM\uff09\u54cd\u5e94\u8fd4\u56de\u7684\u62a5\u6587\u683c\u5f0f\uff1a<\/p>\n\n\n\n<p>\u4e0e\u4e3b\u673a\u53d1\u9001\u7684\u62a5\u6587\u683c\u5f0f\u53ca\u6570\u636e\u5185\u5bb9\u5b8c\u5168\u76f8\u540c\u3002<\/p>\n\n\n\n<p>\u4f8b2\uff1a\u5f00\u5173\u91cf\u8f93\u51fa\u70b9DO2\uff0c\u5176\u5f53\u524d\u72b6\u6001\u4e3a\u201c\u5408\u201d\uff0c\u4e3b\u673a\u8981\u63a7\u5236\u8be5\u8def\u7ee7\u7535\u5668\u201c\u5206\u201d\u3002<\/p>\n\n\n\n<p>\u4e3b\u673a\u53d1\u9001\u7684\u62a5\u6587\u683c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/file.elecfans.com\/web1\/M00\/45\/E0\/o4YBAFp6r5yAYLHGAABTMqaFi28361.png\" alt=\"modbus rtu\u516d\u79cd\u529f\u80fd\u7801\u8be6\u7ec6\u89e3\u6790\"\/><\/figure>\n\n\n\n<p>\u4ece\u673a\uff08PDM\uff09\u54cd\u5e94\u8fd4\u56de\u7684\u62a5\u6587\u683c\u5f0f\uff1a<\/p>\n\n\n\n<p>\u4e0e\u4e3b\u673a\u53d1\u9001\u7684\u62a5\u6587\u683c\u5f0f\u53ca\u6570\u636e\u5185\u5bb9\u5b8c\u5168\u76f8\u540c\u3002<\/p>\n\n\n\n<p>5 \u529f\u80fd\u7801\u201c06\u201d\uff1a\u5199\u5355\u8def\u5bc4\u5b58\u5668<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a\u4e3b\u673a\u8981\u628a\u6570\u636e07D0\uff0c\u4fdd\u5b58\u5230\u5730\u5740\u4e3a002C\u7684\u4ece\u673a\u5bc4\u5b58\u5668\u4e2d\u53bb\uff08\u4ece\u673a\u5730\u5740\u7801\u4e3a01\uff09\u3002\u901a\u8baf\u6570\u636e\u4fdd\u5b58\u7ed3\u675f\u540e\uff0c\u5730\u5740\u4e3a002C\u7684PDM\u8868\u539f\u5b58\u50a8\u4fe1\u606f\u4e3a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/file.elecfans.com\/web1\/M00\/45\/E4\/pIYBAFp6r8OANddyAAAOMEub4hI322.png\" alt=\"modbus rtu\u516d\u79cd\u529f\u80fd\u7801\u8be6\u7ec6\u89e3\u6790\"\/><\/figure>\n\n\n\n<p>\u4e3b\u673a\u53d1\u9001\u7684\u62a5\u6587\u683c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/file.elecfans.com\/web1\/M00\/45\/E0\/o4YBAFp6r7eAWqBrAABPhXRMt7I171.png\" alt=\"modbus rtu\u516d\u79cd\u529f\u80fd\u7801\u8be6\u7ec6\u89e3\u6790\"\/><\/figure>\n\n\n\n<p>\u4ece\u673a\uff08PDM\uff09\u54cd\u5e94\u8fd4\u56de\u7684\u62a5\u6587\u683c\u5f0f\uff1a<\/p>\n\n\n\n<p>\u4e0e\u4e3b\u673a\u53d1\u9001\u7684\u62a5\u6587\u683c\u5f0f\u53ca\u6570\u636e\u5185\u5bb9\u5b8c\u5168\u76f8\u540c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6\u529f\u80fd\u7801\u201c10\u201d\uff1a\u5199\u591a\u8def\u5bc4\u5b58\u5668<\/strong><\/h3>\n\n\n\n<p>\u4e3b\u673a\u5229\u7528\u8fd9\u4e2a\u529f\u80fd\u7801\u628a\u591a\u4e2a\u6570\u636e\u4fdd\u5b58\u5230PDM\u8868\u7684\u6570\u636e\u5b58\u50a8\u5668\u4e2d\u53bb\u3002Modbus\u901a\u8baf\u89c4\u7ea6\u4e2d\u7684\u5bc4\u5b58\u5668\u6307\u7684\u662f16\u4f4d\uff08\u53732\u5b57\u8282\uff09\uff0c\u5e76\u4e14\u9ad8\u4f4d\u5728\u524d\u3002\u8fd9\u6837PDM\u7684\u5b58\u50a8\u5668\u90fd\u662f\u4e8c\u4e2a\u5b57\u8282\u3002\u7531\u4e8eModbus\u901a\u8baf\u89c4\u7ea6\u5141\u8bb8\u6bcf\u6b21\u6700\u591a\u4fdd\u5b5860\u4e2a\u5bc4\u5b58\u5668\uff0c\u56e0\u6b64PDM\u4e00\u6b21\u4e5f\u6700\u591a\u5141\u8bb8\u4fdd\u5b5860\u4e2a\u6570\u636e\u5bc4\u5b58\u5668\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a\u4e3b\u673a\u8981\u628a0064\uff0c0010\u4fdd\u5b58\u5230\u5730\u5740\u4e3a002C\uff0c002D\u7684\u4ece\u673a\u5bc4\u5b58\u5668\u4e2d\u53bb\uff08\u4ece\u673a\u5730\u5740\u7801\u4e3a01\uff09\u3002\u901a\u8baf\u6570\u636e\u4fdd\u5b58\u7ed3\u675f\u540e\uff0c\u5730\u5740\u4e3a002C\/002D\u7684PDM\u8868\u5185\u5b58\u50a8\u4fe1\u606f\u4e3a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/file.elecfans.com\/web1\/M00\/45\/E4\/pIYBAFp6r-KAevDIAAAq9NxM26s043.png\" alt=\"modbus rtu\u516d\u79cd\u529f\u80fd\u7801\u8be6\u7ec6\u89e3\u6790\"\/><\/figure>\n\n\n\n<p>\u4e3b\u673a\u53d1\u9001\u7684\u62a5\u6587\u683c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/file.elecfans.com\/web1\/M00\/45\/E4\/pIYBAFp6r--AX2IeAABkgteFI8g041.png\" alt=\"modbus rtu\u516d\u79cd\u529f\u80fd\u7801\u8be6\u7ec6\u89e3\u6790\"\/><\/figure>\n\n\n\n<p>\u4ece\u673a\uff08PDM\uff09\u54cd\u5e94\u8fd4\u56de\u7684\u62a5\u6587\u683c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/file.elecfans.com\/web1\/M00\/45\/E4\/pIYBAFp6r_2AMh6iAABJRPgYPgE759.png\" alt=\"modbus rtu\u516d\u79cd\u529f\u80fd\u7801\u8be6\u7ec6\u89e3\u6790\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"Modbus\u534f\u8bae\u5305\u62ecASCII\u3001RTU\u3001TCP\u7b49\uff0c\u5e76\u6ca1\u6709\u89c4\u5b9a\u7269\u7406\u5c42\u3002\u6b64\u534f\u8bae\u5b9a\u4e49\u4e86\u63a7\u5236\u5668\u80fd\u591f\u8ba4\u8bc6\u548c\u4f7f\u7528\u7684\u6d88\u606f\u7ed3\u6784\uff0c\u800c\u4e0d\u7ba1\u5b83\u4eec\u662f\u7ecf\u8fc7\u4f55\u79cd ...","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[1298],"_links":{"self":[{"href":"https:\/\/www.hcpk1.com\/wp-json\/wp\/v2\/posts\/1437"}],"collection":[{"href":"https:\/\/www.hcpk1.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hcpk1.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hcpk1.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hcpk1.com\/wp-json\/wp\/v2\/comments?post=1437"}],"version-history":[{"count":1,"href":"https:\/\/www.hcpk1.com\/wp-json\/wp\/v2\/posts\/1437\/revisions"}],"predecessor-version":[{"id":1438,"href":"https:\/\/www.hcpk1.com\/wp-json\/wp\/v2\/posts\/1437\/revisions\/1438"}],"wp:attachment":[{"href":"https:\/\/www.hcpk1.com\/wp-json\/wp\/v2\/media?parent=1437"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hcpk1.com\/wp-json\/wp\/v2\/categories?post=1437"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hcpk1.com\/wp-json\/wp\/v2\/tags?post=1437"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}