logo

Standards Manage Your Business

We Manage Your Standards

IEC

IEC 62541-5:2026

OPC Unified architecture - Part 5: Information Model

Standard Details

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.

General Information

Status : ACTIVE
Standard Type: Main
Document No: IEC 62541-5:2026
Document Year: 2026
Pages: 189
Edition: 4.0
  • Section Volume:
  • TC 65.SC 65E Devices and integration in enterprise systems

Life Cycle

Currently Viewing

ACTIVE
IEC 62541-5:2026
Knowledge Corner

Expand Your Knowledge and Unlock Your Learning Potential - Your One-Stop Source for Information!

© Copyright 2026 BSB Edge Private Limited.

Enquire now +