Query the important parameters of energy storage equipment

such as, request: http://api.dessmonitor.com/public/?sign=fd48cab18d290e3d635c240eea92b3162ee5c472&salt=1554194461498&token=d2f1d3b0a82c7769050ce5bb88d893371cb82f0584d1100d5acf78745e05d93a&action=querySPKeyParameters&devcode=2338&source=1&_app_client_=android&_app_id_=com.demo.test&_app_version_=3.6.2.1

parameter description required
action querySPKeyParameters true
devcode Device protocol true

response:

parameter description required
keys[x] parameter name true
Important parameters of the device will return some of the following:
parameter description
BATTERY_ENERGY_TOTAL_DISCHARGE Total battery discharge
BATTERY_ENERGY_TOTAL_CHARGE Total battery charge
LOAD_ENERGY_TOTAL Total load power consumption
ENERGY_TOTAL_TO_GRID The total grid-connected electricity
ENERGY_TOTAL_FROM_GRID Total electricity consumption of the grid
ENERGY_TOTAL Total photovoltaic power generation
BATTERY_ENERGY_TODAY_DISCHARGE The daily discharge of the battery
BATTERY_ENERGY_TODAY_CHARGE The daily charge of the battery
LOAD_ENERGY_TODAY Daily power consumption of the load
ENERGY_TODAY_TO_GRID Daily grid-connected electricity
ENERGY_TODAY_FROM_GRID Daily electricity consumption of the grid
ENERGY_TODAY Photovoltaic daily power generation
BATTERY_ACTIVE_POWER Battery power
BT_BATTERY_CAPACITY Battery capacity
PV_OUTPUT_POWER Photovoltaic power generation
GRID_ACTIVE_POWER Grid power
LOAD_ACTIVE_POWER Load power 
{
  "err": 0,
  "desc": "ERR_NONE",
  "dat": {
    "keys": [
      "ENERGY_TOTAL",
      "PV_OUTPUT_POWER",
      "ENERGY_TODAY",
      "LOAD_ACTIVE_POWER",
      "GRID_ACTIVE_POWER",
      "BT_BATTERY_CAPACITY"
    ]
  }
}

possible impacts:

Returns an error code description detailed description
0x0006 ERR_PROTOCOL_NOT_OPTION There are no important parameters to support
0x0007 ERR_MISSING_PARAMETER The necessary parameters are missing

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