EN IEC 61158-4-3:2019

Industrial communication networks - Fieldbus specifications - Part 4-3: Data-link layer protocol specification - Type 3 elements EN IEC 61158-4-3:2019

Publication date:   Aug 15, 2019

General information

60.60 Standard published   Jun 21, 2019


CLC/TC 65X Industrial-process measurement, control and automation

European Norm

25.040.40   Industrial process measurement and control | 35.100.20   Data link layer | 35.110   Networking



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IEC 61158-4-3:2019 specifies 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 and the structure of the fieldbus DLPDUs used for the transfer of data and control information by the protocol of this standard, and their representation as physical interface data units. This fourth edition cancels and replaces the third edition published in 2014 and constitutes a technical revision.

The main changes are:

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

•corrections in Table 3;

•corrections in Table A.15;

•spelling and grammar.

Life cycle


EN 61158-4-3:2014


EN IEC 61158-4-3:2019
60.60 Standard published
Jun 21, 2019