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SSH EN IEC 61158-3-21:2019

Industrial communication networks - Fieldbus specifications - Part 3-21: Data-link layer service definition - Type 21 elements

May 19, 2020

General information

60.60     Feb 13, 2020

DPS

DPS/KT 9

European Norm

35.110     35.100.20     25.040.40  

English  

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Scope

IEC 61158-3-21:2019 defines in an abstract way the externally visible service provided by the Type 21 fieldbus data-link layer in terms of the primitive actions and events of the service; the parameters associated with each primitive action and event, and the form which they take and the interrelationship between these actions and events, and their valid sequences. It cancels and replaces the first edition published in 2010 and constitutes a technical revision. The main changes are listed below:

•Added Network Control Message Type;

•Miscellaneous editorial corrections.

Life cycle

PREVIOUSLY

WITHDRAWN
SSH EN 61158-3-21:2012

NOW

PUBLISHED
SSH EN IEC 61158-3-21:2019
60.60 Standard published
Feb 13, 2020

Related project

Adopted from EN IEC 61158-3-21:2019