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Kitchen HVAC System - Smart Kitchen OPC-UA Integration with Azure IoT Central

alt text

This is a detailed overview of the following...

  • The Configuration for the OPC-UA Server We will show the details of the configuration for emulation of the Server, Nodes and Variables for the Telemetry Server.
  • Telemetry The Telemetry that we are emulating.
  • Plug and Play Model The Azure Plug and Play Model we are using with IoT Central.

Kitchen HVAC System

Measurements
---------------------------------
* Airflow Temperature
* Main Motor RPM
* CFM

Baselines and Trends
---------------------------------
* Ideal Temperature = 68 F
* Main Motor RPM > Trend
* CFM > Trend

Configuration for Telemetry Simulation

{
  "Name": "HVAC",
  "InterfacelId": "dtmi:larouexSmartKitchen2049:LarouexSmartKitchen:HVACInterface;1",
  "InterfaceInstanceName": "HVACInterface",
  "Variables": [
    {
      "DisplayName": "HVAC Airflow Temperature",
      "TelemetryName": "hvac_airflow_temperature",
      "IoTCDataType": "float",
      "Frequency": "Ring3",
      "OnlyOnValueChange": false,
      "RangeValues": [
        72.45,
        73.23,
        73.90,
        71.54,
        72.28,
        73.23
      ]
    },
    {
      "DisplayName": "HVAC Airflow CFM",
      "TelemetryName": "hvac_cfm_airflow",
      "IoTCDataType": "integer",
      "Frequency": "Ring3",
      "OnlyOnValueChange": false,
      "RangeValues": [
        127,
        121,
        131,
        130,
        129
      ]
    },
    {
      "DisplayName": "HVAC Main Motor RPM",
      "TelemetryName": "hvac_rpm_mainmotor",
      "IoTCDataType": "integer",
      "Frequency": "Ring2",
      "OnlyOnValueChange": false,
      "RangeValues": [
        18000,
        18500,
        18200,
        19000,
        19200
      ]
    }
  ]
}