[小 迪 导读]：
本教程在把握根底modbusRTU标准协议概念和业务流程之后，通过实在的反对ModbusRTU标准协议的设施和DTU来进行实战演练。
零碎须要应用一个测试软件：
- 网络调试助手
零碎架构逻辑图如下，包含设施模仿，通道通信，模型设置，利用显示局部
操作步骤：
1.创立产品
产品信息
产品增加通道后需对通道进行重启
2.创立物模型
物模型代码
{ "properties": [ { "accessMode": "rw", "dataForm": { "address": "0X10", "afn": "", "byteType": "", "bytelen": "", "collection": "%s", "control": "%d", "countcollection": "%s", "countround": "all", "countstrategy": 20, "da": "", "data": "null", "dt": "", "iscount": "0", "offset": 0, "operatetype": "readCoils", "order": 0, "originaltype": "short16_AB", "protocol": "MODBUSRTU", "rate": 1, "round": "all", "slaveid": "0X10", "strategy": "被动上报" }, "dataSource": { "": [], "_dlinkindex": 1, "address": "0X00", "operatetype": "writeCoil", "originaltype": "bit", "registersnumber": "1", "slaveid": "0X01" }, "dataType": { "das": [], "specs": { "1": "开", "10": "关" }, "type": "enum" }, "devicetype": "开关控制器", "identifier": "switch", "isaccumulate": false, "isshow": false, "isstorage": false, "moduleType": "properties", "name": "开关", "required": true, "updateAt": "1664250089119", "index": 0 } ]}3.增加低代码
低代码模板:
{ "type": "form", "body": [ { "id": "u:52fbc3355570", "mode": "inline", "name": "switch", "type": "switch", "label": "开关机", "onText": "开", "option": "", "offText": "关", "trueValue": 1, "falseValue": 10, "validateApi": { "url": "iotapi/classes/Device/parse_objectid", "method": "put", "headers": { "store": "localStorage", "dgiotReplace": "parse_objectid" }, "requestAdaptor": "return {\r\n ...api,\r\n data:{\r\n profile:{\r\n switch:api.data.switch \r\n }\r\n }\r\n}" }, "optionAtLeft": false, "submitOnChange": true } ], "title": "开关机控制器", "trueValue": true, "falseValue": false, "submitText": "", "optionAtLeft": false}4.依据通道的登录报文帧头个数自定义设施名
关上网络调试助手
依据登录报文帧头个数填写15位(通道登录报文帧头测试可自定义，理论状况参考物理设施的登录报文编码个数)，点击发送
5.查看登录的设施
点击管制
找到之前产品内创立的低代码表单
选择开关，能够在网络调试助手上看到平台发送的报文，此报文也会是modbus设施收到的报文，理论状况参考物理设施应用阐明
[小 迪 点评]
- dgiot反对ModbusRTU协定的设施接入，有实在设施的用户尝试进行设施接入演练，同时提供05性能码反对对设施管制。
想理解更多 dgiot 的具体细节，欢送大家在GitHub上查看相干源代码。