{
    "rtype": 1,   // 0 = modbus, 1 = http/json
    "mtype": 1,   // 0 = other, 1 = meter, 2 = inverter, 4 = battery
    
    "name": "HomeWizard P1_V2 Meter", // as displayed in the config dialog
    "manufacturer": "HomeWizard",
    "dev_type": "homewizard_p1_v2_port", // 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",
      "type": "string",
      "query": "product_type"
    },
    "version": {
      "address": "/api",
      "type": "string",
      "fixed": "2.0",
      "query": "api_version"
    },
    "firmware_version": {
      "address": "/api",
      "type": "string",
      "query": "firmware_version"
    },
    "serial": {
      "address": "/api",
      "type": "string",
      "query": "mac"
    },
    "power_w": {
      "address": "/api/v1/data",
      "type": "float",
      "query": "active_power_w",
      "resolution": 1.0
    },
    "import_wh": {
      "address": "/api/v1/data",
      "type": "float",
      "query": "total_power_import_kwh",
      "resolution": 1000.0
    },
    "export_wh": {
      "address": "/api/v1/data",
      "type": "float",
      "query": "total_power_export_kwh",
      "resolution": 1000.0
    }
  }