IEC 61158-3-21:2019

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Industrial communication networks – Fieldbus specifications – Part 3-21: Data-link layer service definition – Type 21 elements

Published By	Publication Date	Number of Pages
IEC	2019-04-24	100

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Categories: 25.040.40 - Industrial process measurement and control, 35.100.20 - Data link layer, 35.110 - Networking, IEC

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Description

IEC 61158-3-21:2019 defines in an abstract way the externally visible service provided by the Type 21 fieldbus data-link layer in terms of the primitive actions and events of the service; the parameters associated with each primitive action and event, and the form which they take and the interrelationship between these actions and events, and their valid sequences. It cancels and replaces the first edition published in 2010 and constitutes a technical revision. The main changes are listed below:
•Added Network Control Message Type;
•Miscellaneous editorial corrections.

Additional information

Published Code	IEC
Published By	International Electrotechnical Commission
Publication Date	2019-04-24
Pages Count	100
Language	France
Edition	2.0
File Size	2.5 MB
ICS Codes	25.040.40 - Industrial process measurement and control 35.100.20 - Data link layer 35.110 - Networking

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IEC 61158-3-21:2019

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