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IEC 61158-5-21 Ed.2.0 Edition 04/2019
Industrial communication networks - Fieldbus specifications - Part 5-21: Application layer service definition - Type 21 elements
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  • 345.6 / copy
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Abstract

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.

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

Relations to older standards
IEC 61158-5-21 Ed. 1.0
IEC 61158-5-21 Ed. 1.0

International Classification for Standards (ICS codes) :

25.040.40 : Industrial process measurement and control
35.100.70 : Application layer
35.110 : Networking

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