60.60 Standard published Jun 21, 2019
CENELEC
CLC/TC 65X Industrial-process measurement, control and automation
European Norm
25.040.40 Industrial process measurement and control | 35.100.70 Application layer | 35.110 Networking
Published
<div>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.</div>
WITHDRAWN
EN 61158-5-21:2012
PUBLISHED
EN IEC 61158-5-21:2019
60.60
Standard published
Jun 21, 2019
