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prEN IEC 62541-8:2024

OPC Unified Architecture - Part 8: Data Access

General information
Draft
Base Documents
65E/1055/CDV; prEN IEC 62541-8:2024
Directives or regulations
None

Standard history

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This part of 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 IEC 62541-3. The services to detect and access data are specified in IEC 62541-4.
Annex A specifies the recommended way how the information received from OPC COM Data Access (DA) Servers shall be mapped to the model in this document.
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