IEC-61158-5-21 › Industrial communication networks - Fieldbus specifications - Part 5-21: Application layer service definition - Type 21 elements
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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.
This edition includes the following significant technical changes with respect to the previous edition:
.added Write and Read service;
.miscellaneous editorial corrections.
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Document Number
IEC 61158-5-21 Ed. 2.0 en:2019
Revision Level
EDITION 2.0
Status
Current
Publication Date
April 1, 2019
Committee Number
65C