{
  "line_alarm_setting": {
    "line_no": 1,
    "over_limit_alarm": [
      {
        "category": "??",
        "limit": 180.0,
        "delay": 180,
        "output_node": "??1",
        "enabled": true
      }
    ],
    "fault_alarm": [
      {
        "category": "PT??",
        "limit": null,
        "delay": 180,
        "output_node": "??1",
        "enabled": true
      }
    ]
  },
  "ai_alarm_setting": [
    {
      "channel_no": 1,
      "singal_type": "4-20mA",
      "limit_low": 0.0,
      "limit_high": 20.0,
      "delay": 180,
      "output_node": "开出1",
      "enabled": true
    }
  ],
  "system_config": {
    "time_sync": "manual",
    "brightness": 83,
    "screen_saver": 60
  }
}