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CLC IEC/TR 62541-1:2021

OPC unified architecture - Part 1: Overview and concepts

Publication date:   Aug 16, 2021

General information

90.93   Standard confirmed   Jan 5, 2026

CENELEC

CLC/TC 65X Industrial-process measurement, control and automation

Technical Report

25.040.40   Industrial process measurement and control | 35.100.01   Open systems interconnection in general

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Scope

This part of IEC 62541 presents the concepts and overview of the OPC Unified Architecture (OPC UA). Reading this document is helpful to understand the remaining parts of this multi-part document set. Each of the other parts of IEC 62451 is briefly explained along with a suggested reading order.

Life cycle

PREVIOUSLY

WITHDRAWN
CLC/TR 62541-1:2010

NOW

PUBLISHED
CLC IEC/TR 62541-1:2021
90.93 Standard confirmed
Jan 5, 2026

Relations

Adopted from IEC/TR 62541-1:2020 IDENTICAL