1、在tb_gateway.yaml开启modbus连接器

2、配置modbus.json

2.1、配置文件示例

{
  "master": {
    "slaves": [
      {
        "host": "127.0.0.1",
        "port": 5021,
        "type": "tcp",
        "method": "socket",
        "timeout": 35,
        "byteOrder": "LITTLE",
        "wordOrder": "LITTLE",
        "retries": true,
        "retryOnEmpty": true,
        "retryOnInvalid": true,
        "pollPeriod": 5000,
        "unitId": 1,
        "deviceName": "Temperature_Sensor_1",
        "deviceType": "sensors",
        "sendDataOnlyOnChange": false,
        "connectAttemptTimeMs": 5000,
        "connect