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EVS-EN 62541-4:2015

OPC unified architecture - Part 4: Services

General information

Withdrawn from 02.10.2020
Base Documents
IEC 62541-4:2015; EN 62541-4:2015
Directives or regulations
None

Standard history

Status
Date
Type
Name
02.10.2020
Main
02.07.2015
Main
04.01.2012
Main
EVS-EN 62541-4:2011
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.

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