IEC TR 62541-1:2020 ED3

OPC Unified Architecture - Part 1: Overview and concepts

Publication date: Nov 18, 2020

General information

Current stage: 99.60 Effective date: Jan 13, 2026

Originator: IEC

Owner: TC 65/SC 65E

Type: Technical Report

ICS: 25.040.40 35.100.01

Languages: English

Buying

Status: Replaced

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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WITHDRAWN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WITHDRAWN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