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UAFX Part 81: Connecting Devices and Information Model

OPC 10000-81 UAFX Part 81: Connecting Devices and Information Model

Description

Specifies the UAFX Information Model and describes how it can be used to meet the communication requirements of industrial automation.
Working Group Unified Architecture Field eXchange - UAFX
Document Type Specification
Editor(s) Georg Biehler, Paul Hunkar
License Specifications
Issue Tracking Mantis Project - OPC 10000-81
Access Level Registered
Version Status Date
Release 2026-07-27
Topics:
  • Various Erratas
  • Added a reference Type that links a ACDescriptorType instance to an Asset or FunctionalEntity. (Mantis 7843)
  • Added a field for configuring a list of GDS addresses. Also update the GDS related examples (Mantis 9846)
  • Added a variable that can expose a poor mans reference (i.e. an array of browse names that indicates the DatasetRead or DatasetWriter (Mantis 10145)
  • Added an AvailableInterval property to allow a client to prompt for interval that can be used in the selection list (Mantis 10429)
  • Added new object to PublisherCapabilities and Subscribercapabilities(Mantis 10573)
  • Updated all capabilities to be Optional. Some will become mandatory via Profiles. Also removed text describing empty arrays (Mantis 10626)
Release 2025-07-31
Topics:
  • Added diagnostic counters and error status indicators to AutomationComponent and ConnectionManager, allowing users to troubleshoot communication issues more efficiently.
  • A capabilities folder has been added to the ConnectionManager to indicate whether the implementation monitors local (on the same Controller that hosts the ConnectionManager) and external ConnectionEndpoints for errors.
  • A LogObject (see OPC 10000-26 V1.00.05 RC) has been added to the AutomationComponent and ConnectionManager to facilitate the collection of diagnostic information in a standardized manner.
Version Status Date
Deprecated 2024-02-06
Topics: In addition to editorial and clarification changes, this version adds a new informative annex defining standard file format for persisting ConnectionConfigurationSet, a Version Variable to the ConnectionConfigurationSetType, a new Interface for the Folder Connectors, and a Folder for ConfigurationManager capabilities.
Deprecated 2023-01-26
Topics: Fixes for AutomationComponent Information Model.
Deprecated 2022-11-08