# 中电mqtt通讯规约 
## 服务器地址
    MQTT服务器IP：172.30.6.161
    MQTT服务器端口：1883
    MQTT服务器账号：admin
    MQTT服务器密码：public

## topic
    南向：
    MQTT ClientID: CET/NX
    发布Topic:CET/NX/upload
    订阅Topic:CET/NX/downlod

    中电：
    MQTT ClientID:CET/NX
    订阅Topic:CET/NX/upload
    发布Topic:CET/NX/download

## 数据格式
```text
{
  "version": "1.0",
  "location_code": "string",
  "ts ": 1688606685,
  "properties": [
    {
      "type": "AI",
      "key": "A相电流",
      "value": 0.25,
      "unit": "A",
      "timestamp": 1688354258
    },
    {
      "type": "AI",
      "key": "A相电压",
      "value": 220.5,
      "unit": "V",
      "timestamp": 1688354258
    },
    {
      "type": "SOE",
      "key": "电压越限",
      "value": 1,
      "unit": "V",
      "timestamp": 1688354258
    }
  ]
}

南向上送数据

CET应答：
{
    "location_code": string, //(点位编码信息),
    "ts ":1688606685 ,
    "result":1(int)
}
```