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IEC 62541-12:2020 ED1

OPC Unified Architecture - Part 12: Discovery and global services

Jun 16, 2020

General information

99.60     Dec 22, 2025

IEC

TC 65/SC 65E

International Standard

25.040.40  

English   French  

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Scope

IEC 62541-12:2020 specifies how OPC Unified Architecture (OPC UA) Clients and Servers interact with DiscoveryServers when used in different scenarios. It specifies the requirements for the LocalDiscoveryServer, LocalDiscoveryServer-ME and GlobalDiscoveryServer. It also defines information models for Certificate management, KeyCredential management and Authorization Services.

Life cycle

NOW

WITHDRAWN
IEC 62541-12:2020 ED1
99.60 Withdrawal effective
Dec 22, 2025

REVISED BY

PUBLISHED
IEC 62541-12:2025 ED2

National adoptions

SSH EN IEC 62541-12:2020  
DPS

OPC unified architecture - Part 12: Discovery and global services

60.60 Standard published

DPS/KT 9 more