Rockwell FactoryTalk

Rockwell FactoryTalk Hub API

Rockwell FactoryTalk Hub provides cloud-based industrial API services for connecting FactoryTalk software applications, enabling centralized identity management, software licensing, and connected factory services.

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AsyncAPI Specification

asyncapi: 2.6.0
info:
  title: Rockwell FactoryTalk Hub Real-Time Events API
  version: 1.0.0
  description: >-
    Rockwell FactoryTalk Hub provides real-time industrial event streaming via
    webhooks and subscriptions. Events include tag value changes, alarm activations,
    and device connectivity notifications for connected FactoryTalk applications.
  contact:
    name: Rockwell Automation Support
    url: https://www.rockwellautomation.com/en-us/support/
  license:
    name: Rockwell Automation Software License
    url: https://www.rockwellautomation.com/en-us/company/about-us/legal-notices/

servers:
  factorytalk-hub:
    url: https://ftconnect.rockwellautomation.com/events
    protocol: https
    description: FactoryTalk Hub event stream endpoint

defaultContentType: application/json

channels:
  tag/value-changed:
    description: Event published when a monitored tag value changes beyond deadband
    subscribe:
      operationId: onTagValueChanged
      summary: Tag value change notification
      description: >-
        Published when a subscribed tag value changes. Subscription filters
        control which tags generate events and deadband settings.
      tags:
        - name: Tags
      message:
        $ref: '#/components/messages/TagValueChangedEvent'

  alarm/activated:
    description: Event published when an alarm condition is triggered
    subscribe:
      operationId: onAlarmActivated
      summary: Alarm activated notification
      description: >-
        Published when a tag value crosses a configured alarm setpoint,
        triggering an alarm condition.
      tags:
        - name: Alarms
      message:
        $ref: '#/components/messages/AlarmActivatedEvent'

  alarm/acknowledged:
    description: Event published when an alarm is acknowledged by an operator
    subscribe:
      operationId: onAlarmAcknowledged
      summary: Alarm acknowledged notification
      description: Published when an operator acknowledges an active alarm.
      tags:
        - name: Alarms
      message:
        $ref: '#/components/messages/AlarmAcknowledgedEvent'

  device/status-changed:
    description: Event published when a connected device connectivity status changes
    subscribe:
      operationId: onDeviceStatusChanged
      summary: Device connectivity status change
      description: Published when an industrial device goes online or offline.
      tags:
        - name: Devices
      message:
        $ref: '#/components/messages/DeviceStatusChangedEvent'

components:
  messages:
    TagValueChangedEvent:
      name: TagValueChanged
      title: Tag Value Changed
      contentType: application/json
      headers:
        type: object
        properties:
          x-ft-event-id:
            type: string
            format: uuid
          x-ft-event-type:
            type: string
            const: tag.value-changed
      payload:
        $ref: '#/components/schemas/TagValueChangedPayload'

    AlarmActivatedEvent:
      name: AlarmActivated
      title: Alarm Activated
      contentType: application/json
      payload:
        $ref: '#/components/schemas/AlarmEventPayload'

    AlarmAcknowledgedEvent:
      name: AlarmAcknowledged
      title: Alarm Acknowledged
      contentType: application/json
      payload:
        $ref: '#/components/schemas/AlarmAcknowledgedPayload'

    DeviceStatusChangedEvent:
      name: DeviceStatusChanged
      title: Device Status Changed
      contentType: application/json
      payload:
        $ref: '#/components/schemas/DeviceStatusChangedPayload'

  schemas:
    TagValueChangedPayload:
      type: object
      required:
        - eventId
        - eventTimestamp
        - tagName
        - newValue
      properties:
        eventId:
          type: string
          format: uuid
        eventTimestamp:
          type: string
          format: date-time
        tagName:
          type: string
          description: Fully qualified tag name
        newValue:
          description: New tag value
        previousValue:
          description: Previous tag value
        quality:
          type: string
          enum: [GOOD, BAD, UNCERTAIN, COMM_FAILURE]
        engineeringUnit:
          type: string
          nullable: true
        deviceName:
          type: string
          nullable: true

    AlarmEventPayload:
      type: object
      required:
        - eventId
        - eventTimestamp
        - alarmId
        - tagName
        - alarmName
        - severity
      properties:
        eventId:
          type: string
          format: uuid
        eventTimestamp:
          type: string
          format: date-time
        alarmId:
          type: string
        tagName:
          type: string
        alarmName:
          type: string
        description:
          type: string
        severity:
          type: string
          enum: [LOW, MEDIUM, HIGH, CRITICAL]
        triggerValue:
          description: Tag value that triggered the alarm
        setpoint:
          description: Configured alarm setpoint
        activationTime:
          type: string
          format: date-time

    AlarmAcknowledgedPayload:
      type: object
      required:
        - eventId
        - eventTimestamp
        - alarmId
        - acknowledgedBy
      properties:
        eventId:
          type: string
          format: uuid
        eventTimestamp:
          type: string
          format: date-time
        alarmId:
          type: string
        tagName:
          type: string
        alarmName:
          type: string
        acknowledgedBy:
          type: string
          description: Username of the operator who acknowledged the alarm
        comment:
          type: string
          nullable: true
        acknowledgmentTime:
          type: string
          format: date-time

    DeviceStatusChangedPayload:
      type: object
      required:
        - eventId
        - eventTimestamp
        - deviceName
        - newStatus
      properties:
        eventId:
          type: string
          format: uuid
        eventTimestamp:
          type: string
          format: date-time
        deviceName:
          type: string
        deviceType:
          type: string
        previousStatus:
          type: string
          enum: [ONLINE, OFFLINE, DEGRADED, UNKNOWN]
        newStatus:
          type: string
          enum: [ONLINE, OFFLINE, DEGRADED, UNKNOWN]
        ipAddress:
          type: string
          nullable: true
        location:
          type: string
          nullable: true