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EN IEC 62439-2:2022

Industrial communication networks - High availability automation networks - Part 2: Media Redundancy Protocol (MRP) EN IEC 62439-2:2022

Publication date:   Apr 14, 2022

General information

60.60 Standard published   Feb 11, 2022

CENELEC

CLC/TC 65X Industrial-process measurement, control and automation

European Norm

25.040.40   Industrial process measurement and control | 35.100.05   Multilayer applications

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Scope

IEC 62439-2:2021 is applicable to high-availability automation networks based on the ISO/IEC/IEEE 8802-3 (IEEE Std 802.3) (Ethernet) technology.

The IEC 62439-2:2021 specifies a recovery protocol based on a ring topology, designed to react deterministically on a single failure of an inter-switch link or switch in the network, under the control of a dedicated media redundancy manager node.

Life cycle

PREVIOUSLY

PUBLISHED
EN 62439-2:2017

PUBLISHED
EN 62439-2:2017/AC:2018-06

NOW

PUBLISHED
EN IEC 62439-2:2022
60.60 Standard published
Feb 11, 2022

CORRIGENDA / AMENDMENTS

PUBLISHED
EN IEC 62439-2:2022/AC:2023-05