{"id":98423,"date":"2024-10-23T11:50:59","date_gmt":"2024-10-23T03:50:59","guid":{"rendered":"\/\/www.viralrail.com\/?p=98423"},"modified":"2024-10-23T11:51:04","modified_gmt":"2024-10-23T03:51:04","slug":"dzcnxtxxy-5","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/98423.html","title":{"rendered":"DTU\u4e3b\u8981\u652f\u6301\u54ea\u4e9b\u901a\u4fe1\u534f\u8bae"},"content":{"rendered":"\n<p>\u3000\u3000<strong>DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)<\/strong>\u652f\u6301\u591a\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u4f7f\u5176\u80fd\u591f\u9002\u5e94\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u548c\u8bbe\u5907\u7c7b\u578b\u3002DTU\u652f\u6301\u7684\u901a\u4fe1\u534f\u8bae\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4e32\u53e3\u901a\u4fe1\u534f\u8bae<\/strong>\uff1a\u5982RS232\u3001RS485\u7b49\uff0c\u8fd9\u4e9b\u662f\u5de5\u4e1a\u9886\u57df\u6700\u5e38\u89c1\u3001\u6700\u6210\u719f\u7684\u901a\u4fe1\u65b9\u5f0f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>MQTT\u534f\u8bae<\/strong>\uff1a\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u6d88\u606f\u4f20\u8f93\u534f\u8bae\uff0c\u9002\u7528\u4e8e\u5e26\u5bbd\u6709\u9650\u7684\u7f51\u7edc\u73af\u5883\uff0c\u5982\u7269\u8054\u7f51\u901a\u4fe1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>Modbus\u534f\u8bae<\/strong>\uff1a\u5e38\u7528\u4e8e\u5de5\u4e1a\u9886\u57df\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5e7f\u6cdb\u7528\u4e8e\u8fde\u63a5PLC\u3001\u6e29\u63a7\u5668\u3001\u673a\u5668\u4eba\u7b49\u8bbe\u5907\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>TCP\/IP\u534f\u8bae<\/strong>\uff1a\u4e92\u8054\u7f51\u901a\u4fe1\u7684\u57fa\u7840\u534f\u8bae\uff0c\u4e5f\u662f\u7269\u8054\u7f51\u901a\u4fe1\u4e2d\u6700\u5e38\u7528\u7684\u534f\u8bae\u4e4b\u4e00\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>HTTP\u534f\u8bae<\/strong>\uff1a\u7528\u4e8e\u6570\u636e\u91c7\u96c6\u548c\u63a7\u5236\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u9700\u8981\u8fdc\u7a0b\u76d1\u63a7\u548c\u7ba1\u7406\u4eea\u8868\u6570\u636e\u7684\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>Ntrip\u534f\u8bae<\/strong>\uff1a\u7528\u4e8e\u5b9e\u65f6\u4f20\u8f93\u5730\u7406\u5b9a\u4f4d\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>HJ212-2005\/2017\u534f\u8bae<\/strong>\uff1a\u4e00\u79cd\u73af\u4fdd\u6570\u636e\u4f20\u8f93\u534f\u8bae\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>CANopen\u3001SDS\u3001J1939\u3001DeviceNet<\/strong>\uff1a\u8fd9\u4e9b\u662f\u9ad8\u5c42CAN\u534f\u8bae\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5de5\u4e1a\u5e94\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>DF1\u534f\u8bae<\/strong>\uff1aAB PLC\u4e13\u7528\u901a\u4fe1\u534f\u8bae\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>OPC\u534f\u8bae<\/strong>\uff1a\u5de5\u4e1a\u6570\u636e\u4ea4\u6362\u6807\u51c6\u534f\u8bae\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5176\u4ed6\u534f\u8bae<\/strong>\uff1a\u5982SMTP\u3001POP\u3001FTP\u3001PPP\u3001DHCP\u3001DNS\u3001SNMP\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000DTU\u901a\u8fc7\u652f\u6301\u8fd9\u4e9b\u591a\u6837\u5316\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u80fd\u591f\u5b9e\u73b0\u4e0e\u5404\u79cd\u5de5\u4e1a\u8bbe\u5907\u548c\u7f51\u7edc\u73af\u5883\u7684\u9ad8\u6548\u8fde\u63a5\u548c\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 DTU\u5728\u652f\u6301MQTT\u534f\u8bae\u65f6\u7684\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f\u548c\u4f18\u5316\u7b56\u7565<\/h2>\n\n\n\n<p>\u3000\u3000DTU\u5728\u652f\u6301MQTT\u534f\u8bae\u65f6\u7684\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f\u548c\u4f18\u5316\u7b56\u7565\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u5b9e\u73b0\u65b9\u5f0f<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000DTU\u4eceV3.1\u7248\u672c\u5f00\u59cb\u652f\u6301MQTT\u534f\u8bae\uff0c\u7528\u6237\u9700\u8981\u8bbe\u7f6e\u9274\u6743\u51ed\u8bc1\u3001\u6570\u636e\u53d1\u5e03\u548c\u63a5\u6536\u7684topic\u7b49\u53c2\u6570\u3002DTU\u53ef\u4ee5\u901a\u8fc7\u4e32\u53e3\u6216\u7f51\u53e3\u8fde\u63a5\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u901a\u4fe1\u53c2\u6570(\u5982\u6ce2\u7279\u7387\u3001\u6570\u636e\u4f4d\u3001\u505c\u6b62\u4f4d\u548c\u6821\u9a8c\u4f4d)\u3002<\/p>\n\n\n\n<p>\u3000\u3000DTU\u53ef\u4ee5\u63a5\u5165\u6807\u51c6MQTT\u534f\u8bae\u7684\u7269\u8054\u7f51\u5e73\u53f0\uff0c\u5982\u963f\u91cc\u4e91\uff0c\u5e76\u652f\u6301SSL\/TLS\u52a0\u5bc6\u4f20\u8f93\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u5b89\u5168\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000DTU\u652f\u6301KEEP-ALIVE\u673a\u5236\uff0c\u53ef\u4ee5\u4fdd\u6d3b\u8fde\u63a5\uff0c\u589e\u5f3a\u8fde\u63a5\u7a33\u5b9a\u6027\u3002\u6b64\u5916\uff0cDTU\u8fd8\u652f\u6301\u865a\u62df\u4e32\u53e3\u529f\u80fd\uff0c\u914d\u5408\u865a\u62df\u4e32\u53e3\u5ba2\u6237\u7aef\u53ef\u5b9e\u73b0\u81ea\u52a8\u521b\u5efa\u865a\u62df\u4e32\u53e3\u5e76\u5b9e\u65f6\u663e\u793aDTU\u5728\u7ebf\u72b6\u6001\u548c\u7f51\u7edc\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u4f18\u5316\u7b56\u7565<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528MQTT\u534f\u8bae\u8fdb\u884c\u6570\u636e\u4e0a\u4f20\u65f6\uff0c\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u4e0a\u4f20\u65b9\u5f0f\u548c\u4f18\u5316\u7b56\u7565\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cDTU\u53ef\u4ee5\u9009\u62e9MQTT\u6a21\u5f0f\u8fde\u63a5\u8fdc\u7a0b\u670d\u52a1\u5668\uff0c\u5e76\u901a\u8fc7\u914d\u7f6e\u8bc1\u4e66\u4e0a\u4f20\u7b49\u64cd\u4f5c\u5b9e\u73b0MQTTS\u52a0\u5bc6\u4f20\u8f93\uff0c\u4ece\u800c\u8fdb\u4e00\u6b65\u63d0\u5347\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000DTU\u652f\u6301\u591a\u79cd\u53c2\u6570\u8bbe\u7f6e\u65b9\u5f0f\uff0c\u5305\u62ec\u7f51\u7edc\u3001\u77ed\u4fe1\u3001\u4e32\u53e3AT\u6307\u4ee4\u548c\u7535\u8111\u7aef\u8bbe\u7f6e\u8f6f\u4ef6\u914d\u7f6e\uff0c\u8fd9\u4f7f\u5f97\u7528\u6237\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u7075\u6d3b\u8c03\u6574DTU\u7684\u5de5\u4f5c\u6a21\u5f0f\u548c\u53c2\u6570\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 Modbus\u534f\u8bae\u5728DTU\u4e2d\u7684\u5e94\u7528\u6848\u4f8b<\/h2>\n\n\n\n<p>\u3000\u3000Modbus\u534f\u8bae\u5728DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u4e2d\u7684\u5e94\u7528\u6848\u4f8b\u975e\u5e38\u5e7f\u6cdb\uff0c\u6db5\u76d6\u4e86\u5de5\u4e1a\u7269\u8054\u7f51\u3001\u519c\u4e1a\u7269\u8054\u7f51\u7b49\u591a\u4e2a\u9886\u57df\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5177\u4f53\u7684\u5e94\u7528\u6848\u4f8b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u7a7a\u8c03\u8bbe\u5907\u5bf9\u63a5<\/strong>\uff1a\u4f7f\u7528\u652f\u6301RS485\u4e32\u53e3\u7684DTU\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u8f6e\u8be2\u8bbe\u5907\uff0c\u5c06Modbus\u4e8c\u8fdb\u5236\u6570\u636e\u5728\u4e91\u7aef\u8fdb\u884c\u56fe\u5f62\u5316\u7f16\u6392\u89e3\u6790\u540e\uff0c\u5728web\u7aef\u6216\u5c0f\u7a0b\u5e8f\u4e0a\u5c55\u793a\u8bbe\u5907\u6570\u636e\u3002\u5e73\u53f0\u4f1a\u5904\u7406\u6570\u636e\u4e2d\u7684\u62a5\u8b66\u6d88\u606f\uff0c\u5e76\u6839\u636e\u62a5\u8b66\u914d\u7f6e\u8fdb\u884c\u5b58\u50a8\u6216\u6d88\u606f\u63a8\u9001\uff0c\u5173\u952e\u6570\u636e\u4f1a\u5b9e\u65f6\u4fdd\u5b58\u7528\u4e8e\u66f2\u7ebf\u663e\u793a\u548c\u5386\u53f2\u6570\u636e\u5bfc\u51fa\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u519c\u4e1a\u7269\u8054\u7f51<\/strong>\uff1a\u5728\u519c\u4e1a\u4f20\u611f\u5668\u4e2d\uff0c\u901a\u5e38\u91c7\u7528Modbus-RTU\u683c\u5f0f\u7684\u62a5\u6587\uff0c\u901a\u8fc7\u201c\u5757\u91c7\u96c6\u6cd5\u201d\u51cf\u5c114G\u6d41\u91cf\u6d88\u8017\uff0c\u63d0\u5347\u7f51\u7edc\u901a\u8baf\u8d28\u91cf\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u8282\u7701\u4e86DTU\u7684\u6570\u91cf\uff0c\u8fd8\u63d0\u9ad8\u4e86\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u63a5\u5165<\/strong>\uff1a\u901a\u8fc7DTU\u5feb\u901f\u63a5\u5165ThingsCloud\u4e91\u5e73\u53f0\uff0c\u5229\u7528\u5e73\u53f0\u96f6\u4ee3\u7801\u5e94\u7528\u5de5\u5177\u751f\u6210\u6570\u636e\u770b\u677f\u548c\u7528\u6237App\uff0c\u67e5\u770b\u6e29\u6e7f\u5ea6\u6570\u636e\u548c\u63a7\u5236\u7ee7\u7535\u5668\u5f00\u5173\u3002\u8fd9\u79cd\u5e94\u7528\u6848\u4f8b\u5c55\u793a\u4e86Modbus\u8bbe\u5907\u5982\u4f55\u901a\u8fc7DTU\u5b9e\u73b0\u5feb\u901f\u63a5\u5165\u548c\u6570\u636e\u5c55\u793a\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5de5\u4e1a\u7269\u8054\u7f51\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u4e50\u946b\u57fa\u4e8e\u6807\u51c6\u7684Modbus\u534f\u8bae\u5f00\u53d1\u4e86ESP Modbus DTU\u65b9\u6848\uff0c\u652f\u6301\u4e8c\u6b21\u5f00\u53d1\uff0c\u53ef\u5feb\u901f\u5e94\u7528\u4e8e\u5404\u7c7b\u652f\u6301Modbus\u534f\u8bae\u7684\u4ea7\u54c1\u3002\u8be5\u65b9\u6848\u7b80\u5316\u4e86\u5de5\u4e1a\u7269\u8054\u7f51\u7684\u90e8\u7f72\u548c\u7ba1\u7406\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u63d0\u9ad8Modbus\u534f\u8bae\u5728DTU\u4e2d\u7684\u901a\u4fe1\u6548\u7387\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f7f\u7528RTU\u6a21\u5f0f<\/strong>\uff1aRTU\u6a21\u5f0f\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u7a33\u5b9a\u6027\u8f83\u9ad8\uff0c\u9002\u5408\u9700\u8981\u9ad8\u53ef\u9760\u6027\u7684\u5e94\u7528\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5408\u7406\u8bbe\u7f6e\u53c2\u6570<\/strong>\uff1a\u5408\u7406\u914d\u7f6eModbus 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