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sklademVydáno: 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)
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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| Označení normy: | IEC 62439-3:2021 |
| Vydáno: | 2021-12-15 |
| Edice: | 4 |
| ICS: | 25.040.40 |
| Počet stran (Anglicky/Francouzsky): | 493 |
| ISBN (Anglicky/Francouzsky): | 9782832253212 |
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.