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SSH EN IEC 61158-5-21:2019

Industrial communication networks - Fieldbus specifications - Part 5-21: Application layer service definition - Type 21 elements

May 19, 2020

General information

60.60     Feb 13, 2020

DPS

DPS/KT 9

European Norm

25.040.40     35.100.70     35.110  

English  

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Scope

<div>IEC 61158-5-21:2019 specifies the structure and services of the type 21 IEC fieldbus Application Layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498) and the OSI Application Layer Structure (ISO/IEC 9545). This second edition cancels and replaces the first edition published in 2010. This edition constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous edition:

•added Write and Read service;

•miscellaneous editorial corrections.</div>

Life cycle

PREVIOUSLY

WITHDRAWN
SSH EN 61158-5-21:2012

NOW

PUBLISHED
SSH EN IEC 61158-5-21:2019
60.60 Standard published
Feb 13, 2020

Related project

Adopted from EN IEC 61158-5-21:2019