SS IEC 62541-8:2022

OPC unified architecture – Part 8 : Data access


This part of SS IEC 62541 is part of the overall OPC Unified Architecture (OPC UA) standard series and defines the information model associated with Data Access (DA). It particularly includes additional VariableTypes and complementary descriptions of the NodeClasses and Attributes needed for Data Access, additional Properties, and other information and behaviour.

The complete address space model, including all NodeClasses and Attributes is specified in SS IEC 62541-3. The services to detect and access data are specified in SS IEC 62541-4.




Status Current
Edition 2022
No. of Pages 57
ICS Classification 25.040.40 Industrial process measurement and control
35.100.05 Multilayer applications
Committee Manufacturing Standards Commitee
Available for Purchase For sale in Singapore only
Adoption IEC 62541-8 : 2020 IDT