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

  "name": "AhoyDTU", // as displayed in the config dialog
  "manufacturer": "AhoiyDTU",
  "dev_type": "AjoyDTU", // will be prefixed by "meter_"

  "delay_accumulated": false,   // false: always read accumulated value, like import_wh / export_wh when reading instantaneous values

  // values used to build the model string
  "type_designation": {
    "address": "/api/inverter/list",
    "type": "string",
    "query": "inverter[0]['name']"
  },
    "serial": {
    "address": "/api/inverter/list",
    "type": "string",
    "query": "inverter[0]['serial']"
  }, 
  "power_w": {
    "address": "/api/inverter/id/0",
    "type": "float",
    "query": "ch[0][2]"
  },
  "import_wh": {
    "address": "/api/inverter/id/0",
    "type": "float",
    "query": "ch[0][6]",
    "resolution": 1000
  },
}