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

  "name": "OpenDTU HM9000", // as displayed in the config dialog
  "manufacturer": "OpenDTU",
  "dev_type": "opendtu_hm9000json", // 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/livedata/status",
    "type": "string",
    "query": "inverters.0.name"
  },
    "serial": {
    "address": "/api/livedata/status",
    "type": "string",
    "query": "inverters.0.serial"
  }, 
  "power_w": {
    "address": "/api/livedata/status",
    "type": "float",
    "query": "total.Power.v"
  },
  "import_wh": {
    "address": "/api/livedata/status",
    "type": "float",
    "query": "total.YieldTotal.v",
    "resolution": 1000
  },
}