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EVS-EN IEC 62439-2:2022

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

General information
Valid from 01.03.2022
Base Documents
IEC 62439-2:2021; EN IEC 62439-2:2022
Directives or regulations
None
Standard history
Status
Date
Type
Name
01.03.2022
Main
18.06.2018
Corrigendum
01.12.2017
Main
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.
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