MTConnect.NET-MQTT

MTConnect.NET-MQTT is an extension library to MTConnect.NET that provides an MQTT Broker & Client interface to an IMTConnectAgent interface.

Devices

The MTConnect/Devices topics are used to send data that is in an MTConnectDevicesResponse document.

MTConnect/Devices/[DEVICE_UUID]/Device

Device Observations

MTConnect/Devices/[DEVICE_UUID]/Observations/[COMPONENT_TYPE]/[COMPONENT_ID]/[DATA_ITEM_CATEGORY]/[DATA_ITEM_TYPE]/[DATA_ITEM_ID] MTConnect/Devices/[DEVICE_UUID]/Observations/[COMPONENT_TYPE]/[COMPONENT_ID]/[DATA_ITEM_CATEGORY]/[DATA_ITEM_TYPE]/SubTypes/[DATA_ITEM_SUBTYPE]/[DATA_ITEM_ID]

Device Condition Observations

Condition messages are sent as an array of Observations since a Condition may have multiple Fault States. This is similar to how the Current request functions in an HTTP Agent.

Device Assets

MTConnect/Devices/[DEVICE_UUID]/Assets/[ASSET_TYPE]/[ASSET_ID]

Topic Structure

[Node] = (Payload)

- MTConnect ─ Devices ─ [DEVICE_UUID] - Device = (JSON) - Observations - [COMPONENT_TYPE] - [COMPONENT_ID] - Events - [DATA_ITEM_TYPE] - [DATA_ITEM_ID] = (JSON) - SubTypes - [DATA_ITEM_SUBTYPE] - [DATA_ITEM_ID] = (JSON) - Samples - [DATA_ITEM_TYPE] - [DATA_ITEM_ID] = (JSON) - Conditions - [DATA_ITEM_TYPE] - [DATA_ITEM_ID] = (JSON Array) - Assets - [ASSET_TYPE] - [ASSET_ID] = (JSON)

Example

- MTConnect ─ Devices ─ OKUMA.Lathe.123456 - Device - Observations - Device - OKUMA.Lathe - Events - AVAILABILITY - L2avail = {"dataItemId":"L2avail","name":"avail","type":"AVAILABILITY","timestamp":"2023-02-07T20:02:26.8978653Z","result":"AVAILABLE"} - ASSET_CHANGED - OKUMA.Lathe_assetCount = {"dataItemId":"OKUMA.Lathe_assetCount","name":"assetCount","type":"ASSET_COUNT","timestamp":"2023-02-07T20:02:26.7671421Z","result":"UNAVAILABLE","count":0} - Controller - L2ct1 - Events - EMERGENCY_STOP - L2estop = {"dataItemId":"L2estop","name":"estop","type":"EMERGENCY_STOP","timestamp":"2023-02-07T20:02:26.8978653Z","result":"ARMED"} - Path - L2p1 - Events - EXECUTION - L2p1execution = {"dataItemId":"L2p1execution","name":"p1execution","type":"EXECUTION","timestamp":"2023-02-07T20:02:26.7671421Z","result":"UNAVAILABLE"} - Conditions - SYSTEM - L2p1system = [{"level":"WARNING","dataItemId":"L2p1system","name":"p1system","type":"SYSTEM","timestamp":"2023-02-07T20:30:16.8639659Z","result":"Not Found","nativeCode":"404"},{"level":"FAULT","dataItemId":"L2p1system","name":"p1system","type":"SYSTEM","timestamp":"2023-02-07T20:30:38.9662297Z","result":"Interval Error","nativeCode":"500"}] - Samples - PATH_FEEDRATE - SubTypes - ACTUAL - L2p1Fact = {"dataItemId":"L2p1Fact","name":"p1Fact","type":"PATH_FEEDRATE","subType":"ACTUAL","timestamp":"2023-02-07T20:02:26.7671421Z","result":"UNAVAILABLE"} - Assets - CuttingTool - 5.12 = {"assetId":"5.12","type":"CuttingTool","timestamp":"2023-02-07T13:36:04.7288143Z","deviceUuid":"OKUMA.Lathe.123456","serialNumber":"12345678946","toolId":"12","cuttingToolLifeCycle":{"cutterStatus":["AVAILABLE","NEW","MEASURED"],"location":{"type":"SPINDLE"},"programToolGroup":"5","programToolNumber":"12","measurements":[{"type":"FunctionalLength","value":7.6543,"units":"MILLIMETER","code":"LF"},{"type":"CuttingDiameterMax","value":0.375,"units":"MILLIMETER","code":"DC"}]}}