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IEC 62439-3 Ed. 4.0 b:2021

Industrial communication networks - High availability automation networks - Part 3: Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR)
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IEC 62439-3 Ed. 4.0 b:2021

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

PUBLISH DATE 2021
IEC 62439-3 Ed. 4.0 b:2021
Industrial communication networks - High availability automation networks - Part 3: Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR)
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.
SDO IEC: International Electrotechnical Commission
Document Number IEC 62439
Publication Date Dec. 1, 2021
Language b - English & French
Page Count
Revision Level 4.0
Supercedes
Committee 65C
Publish Date Document Id Type View
Not Available Revision
Not Available Revision
Not Available Revision
Dec. 1, 2021 IEC 62439-3 Ed. 4.0 b:2021 Revision
Dec. 1, 2021 Revision