IEC 62541-4:2015 ED2

OPC Unified Architecture - Part 4: Services

Publication date: 25 mar 2015

General information

Current stage: 99.60 Effective date: 13 korr 2020

Next stage: WPUB

Originator: IEC

Owner: TC 65/SC 65E

Type: International Standard

ICS: 25.040.40 35.100.05

Gjuha: anglisht frëngjisht

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Statusi: Revised

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Scope

IEC 62541-4:2015 defines the OPC Unified Architecture (OPC UA) Services. The Services described are the collection of abstract Remote Procedure Calls (RPC) that are implemented by OPC UA Servers and called by OPC UA Clients. This second edition cancels and replaces the first edition published in 2011. It constitutes a technical revision. It includes the following changes:
- Update for 6.4 Redundancy.
- Clarifications for Publish and Reconnect scenarios.
- Handling of MonitoredItem changes in short network interruption scenarios.
- Update for 6.1.3 Determining if a Certificate is Trusted.
- Revised definition of parameters semaphoreFile and isOnline in Service RegisterServer.
- Services ModifySubscription and ModifyMonitoredItems.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 62541-4:2011 ED1

NOW

WITHDRAWN
IEC 62541-4:2015 ED2
99.60 Withdrawal effective
13 korr 2020

REVISED BY

PUBLISHED
IEC 62541-4:2020 ED3