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Publication details

Publication CODE Title
IEC 62541-11:2020 RLV (2020-06) OPC UNIFIED ARCHITECTURE - PART 11: HISTORICAL ACCESS
 
Price Excl. VAT Total number of pages, tables and drawings
413.00 € 158.
Description
IEC 62541-11:2020 RLV contains both the official IEC International Standard and its Redline version. The Redline version is not an official document, it is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 62541-11:2020 is part of the 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.
The complete AddressSpace Model including all NodeClasses and Attributes is specified in IEC 62541-3. The predefined Information Model is defined in IEC 62541-5. The Services to detect and access historical data and events, and description of the ExtensibleParameter types are specified in IEC 62541-4. This document 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. This third edition cancels and replaces the second edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) a new method for determining the first historical point has been added;
b) added clarifications on how to add, insert, modify, and delete annotations.
Class  C990  (IEC PUBLICATIONS IEC PUBLICATIONS)
Available files
EN version

Status
Status IEC PUBLICATION
Situation Currently active
Origin
Committee TC 65/SC 65E
SYSTEM: ENGINEERING AND MANAGEMENT
Responsible Ir DELENS Marc
Approval
BEC Approval 2020-06-23
ICS-Code (International Standards Classification) 25.040.40 , 35.100.05
NBN Status New
IEC publication date 2020-06-23
IEC stability date 2023-12-31
IEC file modification date 2020-06-23
IEC last modification date 2020-06-23