IEC 61158-5-4:2019被替代
Industrial communication networks - Fieldbus specifications - Part 5-4: Application layer service definition - Type 4 elements
出版：
专家解读视频
IEC 61158-5-4:2019 defines the services provided to the FAL user at the boundary between the user and the application layer of the fieldbus reference model, and Systems Management at the boundary between the application layer and Systems Management of the fieldbus reference model. This standard specifies the structure and services of the IEC fieldbus application layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498-1) and the OSI application layer structure (ISO/IEC 9545). This third edition cancels and replaces the second edition published in 2014. This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition:a) additional user parameters to services;b) additional services to support distributed objects;c) additional secure services.
DS/EN IEC 61158-5-4:2019 - Identical
DIN EN IEC 61158-5-4:2020-07 - Identical
OVE EN IEC 61158-5-4:2020 08 01 - Identical
BS EN IEC 61158-5-4:2019 - Identical
EN IEC 61158-5-4:2019 - Identical
PN-EN IEC 61158-5-4:2019-11 - Identical
I.S. EN IEC 61158-5-4:2019 - Identical
NEN EN IEC 61158-5-4 : 2019 en - Identical
UNE-EN IEC 61158-5-4:2019 - Identical
UNE-EN IEC 61158-5-2:2019 - Identical
