DIN EN IEC 61158-4-21:2020-08
Current
Current
The latest, up-to-date edition.
Industrial communication networks – Fieldbus specifications – Part 421: Datalink layer protocol specification – Type 21 elements (IEC 61158421: 2019); English version EN IEC 61158421: 2019, only on CDROM
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
01-08-2020
The DLL provides basic time-critical data communications between devices in an automated environment.
Important note : All end users must be registered with an Account prior to user licenses being assigned.Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.