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

    "name": "energy mgmt io",   // as displayed in the config dialog
    "manufacturer": "custom",
    "dev_type": "io",   // will be prefixed by "meter_"

   "outputs": [
    {
      "address": "/out0=${output1}",
      "address": "/out1=${output2}"
    }
  ]
}