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IEC 62541-5 Ed. 4.0 en:2026

OPC Unified architecture - Part 5: Information Model
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IEC 62541-5 Ed. 4.0 en:2026

OPC Unified architecture - Part 5: Information Model

IEC 62541-5 Ed. 4.0 en:2026

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.

SDO IEC: International Electrotechnical Commission
Document Number IEC 62541
Publication Date Not Available
Language en - English
Page Count 194
Revision Level 4.0
Supercedes
Committee 65E
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