IEC TR 62541-1:2020 ED3

OPC Unified Architecture - Part 1: Overview and concepts

Publication date:   Nov 18, 2020

General information

99.60   Withdrawal effective   Jan 13, 2026

IEC

TC 65/SC 65E

Technical Report

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

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Scope

IEC 62541-1:2020 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WITHDRAWN
IEC TR 62541-1:2016 ED2

NOW

WITHDRAWN
IEC TR 62541-1:2020 ED3
99.60 Withdrawal effective
Jan 13, 2026

REVISED BY

PUBLISHED
IEC 62541-1:2025 ED1