{
  "rtype":  0,   // 0 = modbus, 1 = http/json

    "name": "GoodWe Hybrid Inverter_Test",   // as displayed in the config dialog
    "manufacturer": "GoodWe",
    "dev_type": "goodwe_hyb_inv_test",   // will be prefixed by "meter_"

    // modbus parameters
    "rtu": {
        "silence_period": 75,    // msec
        "silence_same_slave": false,
        "retries": 4,
        "rcv_timeout": 120       // msec
    },
    "modbus_read": 3,            // function code to read registers
    "modbus_read_max_registers": 16, 
    "modbus_write": 16,          // function code to write register(s)
    "modbus_write_max_registers": 16,

  // values used to build the model string
    "type_designation": {
       "fixed": "Inverter"
    },
    "version": {
       "fixed": "1.0"
    },
    "firmware_version": {
       "fixed": "1.0"
    },
    "serial": {
       "address": 35003,
       "type": "string",
       "length": 8
    },

    // instantaneous values
    
    "p1": {
        "address": 35105,
        "type": "int32",
        "resolution": 0.1
    },
    "p2": {
        "address": 35109,
        "type": "int32",
        "resolution": 0.1
    },
    "p3": {
        "address": 35113,
        "type": "int32",
         "resolution": 0.1
    },
    "p4": {
        "address": 35117,
        "type": "int32",
        "resolution": 0.1
    },
    "power_w": {
       "expr": "p1+p2+p3+p4"
    },
    

    "import_wh": {
        "address": 35191,
        "type": "int32",
        "resolution": 100   // result in Wh
    },
    
    "*temp": {
        "address": 35174,   // Air temperature
        "type": "int16",
        "resolution": 0.1   // result in  C, multiply by 0.1 to get  C
    },
"*power1": {
       "expr": "p1"
    },
"*power2": {
       "expr": "p2"
    },
"*power3": {
       "expr": "p3"
    },
"*power4": {
       "expr": "p4"
    }
}