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IEC 62439-3 ED5

Industrial communication networks - High availability automation networks - Part 3: Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR)

General information

20.99     Mar 26, 2025

CD    Jan 30, 2026

IEC

TC 65/SC 65C

International Standard

25.040.40     35.100.05  

Life cycle

PREVIOUSLY

PUBLISHED
IEC 62439-3:2021 ED4

PUBLISHED
IEC 62439-3:2021/COR1:2023 ED4

NOW

IN_DEVELOPMENT
IEC 62439-3 ED5
20.99 WD approved for registration as CD
Mar 26, 2025