IEC 61158-4-21:2023 ED3

Industrial communication networks - Fieldbus specifications - Part 4-21: Data-link layer protocol specification - Type 21 elements

Publication date: 28 mar 2023

General information

Current stage: 60.60 Effective date: 28 mar 2023

Originator: IEC

Owner: TC 65/SC 65C

Type: International Standard

ICS: 25.040.40 35.100.20 35.110

Gjuha: anglisht frëngjisht

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Statusi: Publikuar

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Scope

IEC 61158-4-21:2023 describes:
procedures for the timely transfer of data and control information from one data link user entity to a peer user entity, and among the data link entities forming the distributed data link service provider;
procedures for giving communication opportunities based on ISO/IEC/IEEE 8802‑3 MAC, with provisions for nodes to be added or removed during normal operation;
structure of the fieldbus data link protocol data units (DLPDUs) used for the transfer of data and control information by the protocol of this document, and their representation as physical interface data units.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 61158-4-21:2019 ED2

NOW

PUBLISHED
IEC 61158-4-21:2023 ED3
60.60 Standard published
28 mar 2023

National adoptions

SSH EN IEC 61158-4-21:2023

DPS

Rrjete industriale komunikimi - Specifikime për rrjetet industriale - Pjesa 4-21: Specifikim i protokollit të shtresës data-link - Elementët e tipit 21

60.60 Standard published

DPS/KT 9 më tepër