Standard

IEC 61158-5-21:2019 ED2

Apr 2019 Published

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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.

Document information

Standard from IEC
Published: 10 April 2019
Edition: 2
Version: 1
Document type: IS
Pages
ISBN: 9782832267523

ICS 25.040.40
ICS 35.100.70
ICS 35.110
ISO TC TC 65/SC 65C

Product Relations

Adopted by: NEK ISO/IEC 30134-4:2017
Revises: IEC 61158-5-21:2010 ED1

IEC 61158-5-21:2019 ED2

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