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IEC 61158-4-3 Ed. 2.0 Edition 08/2010
Industrial communication networks - Fieldbus specifications - Part 4-3: Data-link layer protocol specification - Type 3 elements
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Abstract

IEC 61158-4-3:2010 describes the protocol that provides communication opportunities to a pre-selected "master" subset of data-link entities in a cyclic asynchronous manner, sequentially to each of those data-link entities. Other data-link entities communicate only as permitted and delegated by those master data-link entities. For a given master, its communications with other data-link entities can be cyclic, or acyclic with prioritized access, or a combination of the two. This protocol provides a means of sharing the available communication resources in a fair manner. There are provisions for time synchronization and for isochronous operation. This second edition cancels and replaces the first edition published in 2007 and constitutes a technical revision. The main changes with respect to the previous edition are:
- Corrections in Table A.15 and Table A.16;
- Expired patent removed and added new patents. This bilingual version (2012-07) corresponds to the monolingual English version, published in 2010-08.

Status

Standard - Active

Origin

Technical Committee :
65C : Industrial networks

Implementation

start of the vote on the project      date of ratification (dor)   
end of the vote on the project      date of anouncement (doa)   
start of the vote on the final project      date of publication (dop)   
end of the vote on the final project      date of withdrawal (dow)   


Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference

Relations

Evolutions
IEC 60947-2 Ed. 4.2

International Classification for Standards (ICS codes) :

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

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