[
  {
    "offset": 0,
    "slaveId": 1,
    "functionCode": 3,
    "tag": "1",
    "desc": "温度",
    "unit": "℃",
    "dataType": "int"
  },
  {
    "offset": 1,
    "slaveId": 1,
    "functionCode": 3,
    "tag": "2",
    "desc": "压力",
    "unit": "Pa",
    "dataType": "int"
  }
]