{
  "$schema": "http://json-schema.org/schema#",
  "$schemaVersion": "0.0.1",
  "modelTags": "INCODE",
  "$id": "https://smart-data-models.github.io/dataModel.Device/Modbus/schema.json",
  "title": "Smart Data models - ModBus data model",
  "description": "This entity contains a harmonised description of a modbus payload adapted from the modbus application protocol v1.1.b3",
  "type": "object",
  "derivedFrom": "https://modbus.org/docs/Modbus_Application_Protocol_V1_1b3.pdf",
  "allOf": [
    {
      "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/GSMA-Commons"
    },
    {
      "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/Location-Commons"
    },
    {
      "properties": {
        "type": {
          "type": "string",
          "description": "Property. NGSI Entity identifier. It has to be Modbus",
          "enum": [
            "Modbus"
          ]
        },
        "unitId": {
          "type": "string",
          "description": "Property. Identifier of the device"
        },
        "transactionId": {
          "type": "string",
          "description": "Property. Identifier of the transaction"
        },
        "protocolId": {
          "type": "string",
          "description": "Property. Identifier of the protool. In example 0 means modbus"
        },
        "primaryTable": {
          "type": "string",
          "description": "Property. Register type of the data in the protocol",
          "enum": [
            "coil",
            "inputRegister",
            "holdingRegister",
            "discreteInput"
          ]
        },
        "memoryAddress": {
          "type": "string",
          "description": "Property. Address in the device sending data"
        },
        "value": {
          "type": "string",
          "description": "Property. Value of the data interchanged"
        }
      }
    }
  ],
  "required": [
    "id",
    "type"
  ]
}