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IEC 61158-4-31 ED1

Industrial networks - Fieldbus specifications - Part 4-31: Data-link layer protocol specification - Type 31 elements

General information

20.99     Mar 13, 2026

CD    Sep 30, 2026

IEC

TC 65/SC 65C

International Standard

25.040.40     35.100.20     35.110  

Life cycle

NOW

IN_DEVELOPMENT
IEC 61158-4-31 ED1
20.99 WD approved for registration as CD
Mar 13, 2026