{  
    "rtype":  1,   // 0 = modbus, 1 = http/json
    "mtype":  0,   // 0 = other, 1 = meter, 2 = inverter, 4 = battery

    "name": "my-PV AC ELWA 2+HTTP",   // as displayed in the config dialog
    "manufacturer": "my-PV",
    "dev_type": "my-pv_ac_elwa_2+http",   // will be prefixed by "meter_"

    
    // values used to build the model string
    "type_designation": {
       "fixed": "AC ELWA 2+HTTP"
    },
    
    // instantaneous values
  "power_w": {
    "address": "GET /data.jsn",
    "query": "power_elwa2",
    "type": "int16",
    "resolution": 1.0
  },
  "*temp1": {
    "address": "GET /data.jsn",
    "query": "temp1",
    "type": "int16",
    "resolution": 0.1
  },
  "*temp2": {
    "address": "GET /data.jsn",
    "query": "temp2",
    "type": "int16",
    "resolution": 0.1
  },

  "outputs": [  //see: https://www.cfos-emobility.de/de/cfos-charging-manager/documentation/battery-rules.htm
    {            
       "address": "${if exists(charge_power_w)`POST /control.html?power=${charge_power_w}}"
    }
  ]
}