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EVS-EN 62541-11:2015

OPC unified architecture - Part 11: Historical Access

General information

Withdrawn from 15.09.2020
Base Documents
IEC 62541-11:2015; EN 62541-11:2015
Directives or regulations
None

Standard history

Status
Date
Type
Name
15.09.2020
Main
08.06.2015
Main
IEC 62541-11:2015 is part of the overall OPC Unified Architecture standard series and defines the information model associated with Historical Access (HA). It particularly includes additional and complementary descriptions of the NodeClasses and Attributes needed for Historical Access, additional standard Properties, and other information and behaviour. It also includes functionality to compute and return Aggregates like minimum, maximum, average etc. The Information Model and the concrete working of Aggregates are defined in IEC 62541-13.

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