Redline

NEK IEC 62541-3:2025 RLV

Published

Note: This standard has a new edition: NEK IEC 62541-3:2025

Preview

Corrigendums and amendments are bought separately.

Language
Services

Abstract

IEC 62541-3:2025 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.IEC 62541-3: 2025 describes the OPC Unified Architecture (OPC UA) AddressSpace and its Objects. This specification is the OPC UA meta model on which OPC UA information models are based. This fourth edition cancels and replaces the third edition published in 2020. This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition:a) addition of the concept and modelling elements for Interfaces and AddIns;b) addition of Currency;c) addition of Method Meta Data to define additional attributes for Method Arguments;d) addition of ApplyRestrictionToBrowse bit to AccessRestrictionType;e) addition of a Non-Volatile Storage bit to AccessLevelExType;f) addition of a Constant bit and ConfigurationConstant bit to AccessLevelExType;g) the View NodeClass has been changed to define the EventNotifier as an EventNotifierType in the same way the Object NodeClass defines it;h) correctition of HasNotifier, HasEventSource, and Organizes, to include ObjectType as valid source node;i) NamingRules have become deprecated;j) addition of AssociatedWith ReferenceType.

Document information

  • Redline from NEK
  • Published:
  • Edition: 4.0
  • Version: 1
  • Document type: NAT
  • ICS 25.040.40
  • ICS 35.100.05
  • National Committee NEK/NK65

Product Relations

  • Adopted from: IEC 62541-3:2025 RLV