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IEC 62541-4

OPC unified architecture – Part 4: Services

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Organization: IEC
Publication Date: 1 July 2020
Status: active
Page Count: 480
ICS Code (Industrial process measurement and control): 25.040.40
ICS Code (Multilayer applications): 35.100.05
scope:

This part of IEC 62541 defines the OPC Unified Architecture (OPC UA) Services. The Services defined are the collection of abstract Remote Procedure Calls (RPC) that are implemented by OPC UA Servers and called by OPC UA Clients. All interactions between OPC UA Clients and Servers occur via these Services. The defined Services are considered abstract because no particular RPC mechanism for implementation is defined in this document. IEC 62541‑6 specifies one or more concrete mappings supported for implementation. For example, one mapping in IEC 62541‑6 is to XML Web Services. In that case the Services described in this document appear as the Web service methods in the WSDL contract.

Not all OPC UA Servers will need to implement all of the defined Services. IEC 62541‑7 defines the Profiles that dictate which Services need to be implemented in order to be compliant with a particular Profile.

Document History

IEC 62541-4
July 1, 2020
OPC unified architecture – Part 4: Services
This part of IEC 62541 defines the OPC Unified Architecture (OPC UA) Services. The Services defined are the collection of abstract Remote Procedure Calls (RPC) that are implemented by OPC UA Servers...
March 1, 2015
OPC unified architecture – Part 4: Services
This part of IEC 62541 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...
October 1, 2011
OPC unified architecture – Part 4: Services
This part of IEC 62541 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...

References

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