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NEK EN IEC 62541-5:2026

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Abstract

IEC 62541-5:2026 This edition includes the following significant technical changes with respect to the previous edition:a) Annex B has been removed and used to create IEC 62451-16;b) Annex C has been removed and used to create IEC 62451-20;c) currency information model has been added;d) information model for Interfaces and AddIns has been added;e) information model for Method Metadata has been added;f) MaxSessions, MaxSubscriptions, and MaxMonitoredItems have been added to capabilities;g) information model for ordered list of objects has been added;h) PortableQualifiedName and PortableNodeId DataTypes have been added;i) UriString DataType has been added;j) SemanticVersionString DataType has been added;k) AssociatedWith Reference Type has been added;l) ConfigurationVersion Property has been added to NamespaceMetadataType;m) AuditClientEventType and AuditClientUpdateMethodResultEventType have been added;n) ModelVersion has been added to NamespaceMetadataType;o) NoTransparentBackupRedundancyType has been added to support a Primary/Standby use case;p) BitFieldType and BitFieldDefinitionType have been added.This fourth edition cancels and replaces the third edition published in 2020. This edition constitutes a technical revision.

Document information

  • Standard from NEK
  • Published:
  • Edition: 2026-02
  • Version: 1
  • Document type: NAT
  • ICS 25.040.40
  • ICS 35.100.05
  • National Committee NEK/NK65

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