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Homepage>IEC Standards>IEC 62439-3:2021 - Industrial communication networks - High availability automation networks - Part 3: Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR)
download between 0-24 hoursReleased: 2021-12-15
IEC 62439-3:2021 - Industrial communication networks - High availability automation networks - Part 3: Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR)

IEC 62439-3:2021

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

Réseaux de communication industriels - Réseaux de haute disponibilité pour l'automatisation - Partie 3: Protocole de redondance en parallèle (PRP) et redondance transparente de haute disponibilité (HSR)

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Standard number:IEC 62439-3:2021
Released:2021-12-15
Language:English/French - Bilingual
DESCRIPTION

IEC 62439-3:2021

IEC 62439-3:2021 specifies two related redundancy protocols that, in the event of failure of any network element, provide seamless switchover with zero recovery time: • PRP (Parallel Redundancy Protocol), which allows attaching nodes to two separate networks while allowing attachment of nodes to one network only; and • HSR (High-availability Seamless Redundancy), which allows threading two-port nodes in a ring or multi-port nodes in a meshed network. The contents of the corrigendum of April 2023 have been included in this copy.

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