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IEC 62541-4 (2015-03)

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IEC 62541-4 (2015-03)

IEC 62541-4:2015 OPC Unified Architecture - Part 4: Services

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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.

Author IEC
Editor CEI
Document type Standard
Format File
Edition 2.0
ICS 25.040.40 : Industrial process measurement and control
35.100.05 : Multilayer applications
Number of pages 384
Replace IEC 62541-4 (2011-10)
Cross references DIN EN 62541-4 (2015-10), IDT
Year 2015
Document history IEC 62541-4 (2015-03)
IEC 65E/375/CDV (2014-01)
Country Switzerland
Keyword IEC62541;IEC 62541-4:2015