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IEC 62541-5 Ed. 4.0 b:2026

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

OPC Unified architecture - Part 5: Information Model

IEC 62541-5 Ed. 4.0 b: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 b - English & French
Page Count 384
Revision Level 4.0
Supercedes
Committee 65E
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