"# Modbus\u7269\u8054\u7f51\u5e73\u53f0\u8bbe\u5907\u6dfb\u52a0\u6559\u7a0b\n\n> 2022-06-30 | 2026-07-01\n> https:\/\/www.modbus.cn\/en\/8001.html\n\n**\u4e91\u5e73\u53f0\u63a5\u5165\u6307\u5357**\n\n---\n\n## **1 \u7cfb\u7edf\u6982\u5ff5**\n\n### 1.1 \u534f\u8bae\u6982\u5ff5\n\n- \u65e5\u5e38\u4f7f\u7528\u4e2d\uff0c\u6211\u4eec\u6240\u8c08\u8bba\u7684\u534f\u8bae\u4e3b\u8981\u5206\u4e3a\u4e24\u79cd\uff0c\u4e00\u4e3a\u901a\u8baf\u534f\u8bae\uff0c\u8fd9\u4e2a\u662f\u7f51\u7edc\u4f20\u8f93\u5c42\u7684\u6982\u5ff5\uff0c\u76ee\u524d\u5e02\u9762\u4e0a\u7528\u7684\u5230\u666e\u904d\u6709TCP\u3001MQTT\u3001DUP\u548cHTTP\u7b49\uff0c- \u53e6\u4e00\u79cd\u4e3a\u8bbe\u5907\u534f\u8bae\uff0c\u8bbe\u5907\u534f\u8bae\u6240\u6307\u8bbe\u5907\u53d1\u9001\u6570\u636e\u683c\u5f0f\u7684\u89c4\u7ea6\uff08\u5982ModbusRTU\uff09\uff0c\u76ee\u524d\u901a\u8baf\u534f\u8bae\u662f\u7edf\u4e00\u4e00\u81f4\u7684\uff0c\u8bbe\u5907\u534f\u8bae\u5b58\u5728\u591a\u6837\u6027\uff0c\u76ee\u524d\u5e02\u9762\u5b58\u5728\u5404\u79cd\u5404\u6837\u7684\u8bbe\u5907\u534f\u8bae\uff0cmodbus\u7b97\u5f53\u4e2d\u7528\u7684\u6bd4\u8f83\u591a\u4e00\u4e9b\u7684\u3002\n\n### 1.2\u8bbe\u5907\u53f7\n\n- **\u8bbe\u5907\u53f7[device_code]**\u5b83\u662f\u6307\u7684\u8d1f\u8d23\u8fde\u63a5\u7f51\u7edc\u7684\u8bbe\u5907\u552f\u4e00SN\u53f7\uff0c\u533a\u5206\u4e0d\u540c\u8bbe\u5907\u8fde\u63a5\u4e0a\u6765\u3002- \u5982\u4e0b\u56fe\uff1a\u5b83\u53ef\u4ee5\u81ea\u52a8\u751f\u6210\uff0c\u4e5f\u53ef\u4ee5\u624b\u52a8\u586b\u5165\uff0c\u683c\u5f0f\u53ef\u4ee5\u4e3a\u6570\u5b57\u4e5f\u53ef\u4ee5\u4e3a\u5b57\u7b26\u4e32\uff1b\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/06\/image-9.png)\u56fea\u7cfb\u7edf\u4e2d\u8bbe\u5907\u53f7\u4f4d\u7f6e\n\n### 1.3\u5730\u5740\u53f7\u548c\u5bc4\u5b58\u5668\u53f7\n\n- **\u5730\u5740\u53f7[sensor_device_id]\u548c\u5bc4\u5b58\u5668\u53f7[port_id]**\uff0c\u5b83\u7684\u4f5c\u7528\u4e3b\u8981\u662f\u7528\u6765\u533a\u5206\u8bbe\u5907\u4f20\u8f93\u7684\u6570\u636e\u3002\u5b83\u652f\u6301\u4e00\u53f0\u7f51\u5173\u8bbe\u5907\u4e0b\u4f20\u8f93\u591a\u4e2a\u4e0d\u540c\u5730\u5740\u4f20\u611f\u5668\uff0c\u4e5f\u53ef\u4ee5\u4e3a\u4e00\u53f0\u7f51\u5173\u8bbe\u5907\u4e0b\u4f20\u8f93\u591a\u79cd\u4f20\u611f\u5668\u6570\u636e\u3002\u5730\u5740\u53f7\u4e3b\u8981\u7528\u6765\u533a\u5206\u4e0d\u540c\u4f20\u611f\u5668\u8bbe\u5907\u7684\uff0c\u5bc4\u5b58\u5668\u53f7\u662f\u7528\u6765\u6807\u6ce8\u540c\u4e00\u53f0\u4f20\u611f\u5668\u8bbe\u5907\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\u7684\u3002\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/06\/image-10.png)\u56feb\u6dfb\u52a0\u4f20\u611f\u70b9\u4e2d\u5730\u5740\u53f7\u548c\u5bc4\u5b58\u5668\u53f7\n\n## **2 TCP\u8fde\u63a5\u534f\u8bae**\n\n### **2.1MLINK\u534f\u8bae**\n\n- MLINK \u534f\u8bae\uff08\u5c0f\u540d\u534f\u8bae\uff09\u662f\u4f7f\u7528\u5b57\u7b26\u6d41\u683c\u5f0f\u7684\u6570\u636e\u534f\u8bae\uff0c\u76ee\u524d\u6570\u636e\u534f\u8bae\u5305\u542b\u767b\u5f55\u5305\u3001\u5fc3\u8df3\u5305\u3001\u6570\u636e\u4e0a\u4f20\u3001\u63a7\u5236\u4e0b\u53d1\u3001\u63a7\u5236\u8fd4\u56de\uff0c\u914d\u7f6e\u4e0b\u53d1\u3001\u914d\u7f6e\u8fd4\u56de\u7b49\u6570\u636e\u6307\u4ee4\u3002\n\n\u25cf\u767b\u5f55\u5305\uff08\u8bbe\u5907 - > \u670d\u52a1\u5668\uff09\u3010\u9996\u6b21\u5efa\u7acb TCP \u8fde\u63a5\u53d1\u9001\u3011\n\n[device_code]\n\n\u4f8b\u5b50\uff1a**1u76yshydtdhh** \uff0c\u5176\u4e2d **1u76yshydtdhh** \u4e3a\u8bbe\u5907 SN \u53f7\uff1b\n\n\u8bbe\u5907\u8fd4\u56de\uff1a\n\nloginok\n\n\u767b\u5f55\u6210\u529f\n\n\u25cf\u5fc3\u8df3\u5305\uff08\u8bbe\u5907 - > \u670d\u52a1\u5668\uff09\u7ef4\u6301 TCP \u8fde\u63a5\uff0c\u8bbe\u5907\u504f\u597d\u53d1\u9001\n\n**Q**\n\n\u56fa\u5b9a\u683c\u5f0f\n\n\u25cf\u4e0a\u4f20\u4f20\u611f\u70b9\u6570\u636e\uff08\u8bbe\u5907 - > \u670d\u52a1\u5668\uff09\n\nS[sensor_device_id]:[port_id]*[value],[sensor_device_id]:[port_id]*[value]E\n\n\u4f8b\u5b50\uff1aS**1:0*12.5**,**1:1*-0.05**,**1:2*1**,**1:3*119.5107+31.64459**E\n\nsensor_device_id \u5730\u5740\u53f7\n\nport_id \u5bc4\u5b58\u5668\u53f7\n\nvalue \u6570\u503c\n\n\u5355\u7ecf\u7eac\u5ea6\u4e0a\u4f20\uff1a S**1:3*119.5107+31.64459**E\n\n\u5907\u6ce8\uff1a\u5176\u4e2d GPS \u7ecf\u7eac\u5ea6\u6570\u503c\uff0c\u7528+\u8fde\u63a5\u5728\u4e00\u8d77\uff1b\n\n\u670d\u52a1\u5668\u6536\u5230\u6570\u636e\u6210\u529f\u540e\uff0c\u8fd4\u56de **rok** \u3002\n\n\u25cf\u670d\u52a1\u5668\u4e0b\u53d1 \u63a7\u5236\/\u914d\u7f6e \u547d\u4ee4\uff08\u670d\u52a1\u5668 - > \u8bbe\u5907\uff09\n\nS[sensor_device_id]:[port_id]*[value]E\n\n\u4f8b\u5b50\uff1aS**1:0*0**E\n\n\u5907\u6ce8\uff1a\u6309\u94ae\u5f00\u5173\u547d\u4ee4\uff0c0 \u4e3a\u5173\uff0c1 \u4e3a\u5f00\uff1b\n\n\u25cf\u8bbe\u5907\u63a5\u6536\u547d\u4ee4\u8fd4\u56de\uff08\u8bbe\u5907 -> \u670d\u52a1\u5668\uff09\n\nS[sensor_device_id]:[port_id]*[value]E\n\n\u4f8b\u5b50\uff1aS**1:0*0**E\n\n### **2.2 Modbus RTU \u534f\u8bae\uff08\u6807\u51c6\uff09**\n\n- \u7cfb\u7edf\u517c\u5bb9\u6807\u51c6\u7684 modbus RTU \u534f\u8bae\u3002- DTU \u914d\u7f6e\u65f6\uff0c\u9700\u8981\u914d\u7f6e\u6210\u900f\u4f20\u6a21\u5f0f\uff0c\u5e76\u4e14\u8bbe\u7f6e\u81ea\u5b9a\u4e49\u6ce8\u518c\u5305\uff0c\u6ce8\u518c\u5305\u4e3a\u8bbe\u5907\u7684 SN \u5373\u53ef\uff1b- \u8fde\u63a5\u5730\u5740\uff1a cloud.modbus.cn\uff08\u6216\u8005\u5bf9\u5e94 IP\uff09- \u7aef\u53e3\uff1a50001\n\n### **2.3 Modbus TCP \u534f\u8bae\uff08\u6807\u51c6\uff09**\n\n- \u7cfb\u7edf\u517c\u5bb9\u6807\u51c6\u7684 modbus TCP \u534f\u8bae\u3002- DTU \u914d\u7f6e\u65f6\uff0c\u9700\u8981\u914d\u7f6e\u6210\u900f\u4f20\u6a21\u5f0f\uff0c\u5e76\u4e14\u8bbe\u7f6e\u81ea\u5b9a\u4e49\u6ce8\u518c\u5305\uff0c\u6ce8\u518c\u5305\u4e3a\u8bbe\u5907\u7684 SN \u5373\u53ef\uff1b- **DTU \u9700\u8bbe\u7f6e modbus \u6a21\u5f0f**- \u8fde\u63a5\u5730\u5740\uff1a cloud.modbus.cn\uff08\u6216\u8005\u5bf9\u5e94 IP\uff09- \u7aef\u53e3\uff1a50001\n\n### **2.4 \u73af\u5883 212 \u6807\u51c6**\n\n- \u7cfb\u7edf\u652f\u6301 GB-HJ212 \u534f\u8bae\u3002- \u8fde\u63a5\u5730\u5740\uff1a cloud.modbus.cn\uff08\u6216\u8005\u5bf9\u5e94 IP\uff09- \u7aef\u53e3\uff1a50001- **\u6570\u636e\u914d\u7f6e\u683c\u5f0f\u5982\u4e0b\uff0c\u5730\u5740\u53f7\u586b\u5199\u7c7b\u578b\uff0c\u5bc4\u5b58\u5668\u53f7\u9ed8\u8ba4\u4e3a 0**\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/06\/image-11.png)\n\n## **3 MQTT \u8fde\u63a5\u534f\u8bae**\n\n### **3.1 MLINK MQTT**\n\n**Broker Address\uff1a**cloud.modbus.cn\n\n**Broker Port\uff1a**1883\n\n**Client ID\uff1a**[device_code]         [\u8bbe\u5907\u53f7]\n\n**User Name\uff1a**modbus\n\n**Password\uff1a**modbus\n\n\u25cf\u5ba2\u6237\u7aef -> \u670d\u52a1\u5668\n\n\u5ba2\u6237\u7aef\u53d1\u5e03\u5230\u4e0b\u65b9\u4e3b\u9898\u6570\u636e\n\nTopic\uff1a\/dev\/coo\/[device_code]\n\n\u6570\u636e\u683c\u5f0f\uff1a\n\n[{\"sensor_device_id\":0,\"port_id\":0,\"sdata\":1.0},\n\n{\"sensor_device_id\":1,\"port_id\":1,\"sdata\":18.3}]\n\nsensor_device_id \u5730\u5740\u53f7\n\nport_id \u5bc4\u5b58\u5668\u53f7\n\nSdata \u6570\u636e\u6570\u503c\n\n\u25cf\u670d\u52a1\u5668 -> \u5ba2\u6237\u7aef\n\n\u5ba2\u6237\u7aef\u5173\u6ce8\u4e0b\u65b9\u4e3b\u9898\uff0c\u670d\u52a1\u5668\u63a8\u9001\u6570\u636e\n\nTopic\uff1a\/server\/coo\/[device_code]\n\n\u6570\u636e\u683c\u5f0f\uff1a\n\n**{\"sensor_device_id\":0,\"port_id\":0,\"sdata\":0.0}**\n\nsensor_device_id \u5730\u5740\u53f7\n\nport_id \u5bc4\u5b58\u5668\u53f7\n\nSdata \u4f20\u611f\u5668\u6570\u503c\n\n\u5907\u6ce8\uff1a\u5982\u679c\u662f\u7ee7\u7535\u5668\u5f00\u5173\u7684\u8bdd\uff0c\u5219 0 \u5173\u95ed\uff0c1 \u6253\u5f00\uff1b\n\n### **3.2 ZLAN MQTT**\n\n**Broker Address\uff1a**cloud.modbus.cn\n\n**Broker Port\uff1a**1883\n\n**Client ID\uff1a**[device_code]        [\u8bbe\u5907\u53f7]\n\n**User Name\uff1a**modbus\n\n**Password\uff1a**modbus\n\n\u25cf\u5ba2\u6237\u7aef -> \u670d\u52a1\u5668\n\n\u5ba2\u6237\u7aef\u53d1\u5e03\u5230\u4e0b\u65b9\u4e3b\u9898\u6570\u636e\n\nTopic\uff1a\/dev\/coo\/[device_code]\n\n\u6570\u636e\u683c\u5f0f\uff1a\n\n**{**\n\n**\"[sensor_device_id]-[port_id]\": sdata,**\n\n**\"[sensor_device_id]-[port_id]\": sdata**\n\n**}**\n\n**\u5982\uff1a { \u201c1-0\u201d: 1 , \u201c1-1\u201d:34.6 }**\n\nsensor_device_id \u5730\u5740\u53f7\n\nport_id \u5bc4\u5b58\u5668\u53f7\n\nSdata \u6570\u636e\u6570\u503c\n\n\uf06e\n\n\u670d\u52a1\u5668 -> \u5ba2\u6237\u7aef\n\n\u5ba2\u6237\u7aef\u5173\u6ce8\u4e0b\u65b9\u4e3b\u9898\uff0c\u670d\u52a1\u5668\u63a8\u9001\u6570\u636e\n\nTopic\uff1a\/server\/coo\/[device_code]\n\n\u6570\u636e\u683c\u5f0f\uff1a\n\n{ \"[sensor_device_id]-[port_id]\": sdata }\n\n\u5982\uff1a\n\n{ \u201c1-0\u201d: 1 }\n\nsensor_device_id \u5730\u5740\u53f7\n\nport_id \u5bc4\u5b58\u5668\u53f7\n\nSdata \u4f20\u611f\u5668\u6570\u503c\n\n\u5907\u6ce8\uff1a\u5982\u679c\u662f\u7ee7\u7535\u5668\u5f00\u5173\u7684\u8bdd\uff0c\u5219 0 \u5173\u95ed\uff0c1 \u6253\u5f00\uff1b\n\n---\n*modbus.cn*\n"