IEC-62439-3 › Complete Document History
Industrial communication networks - High availability automation networks - Part 3: Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR)

Complete Current Edition:
   EDITION 4.0 - Part 3: Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR) - Dec. 1, 2021
   ED. 4.0 CORRIGENDUM 1 - CORRIGENDUM 1 FOR EDITION 4.0 - April 1, 2023

Obsolete Revision Information:
   EDITION 3.0 - Part 3: Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR) - March 1, 2016
   EDITION 2.0 - Parallel Redundancy Protocol (PRP) and High-availability Sea - July 5, 2012
   EDITION 1.0 - Industrial communication networks - High availability automation networks - Part 3: Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR) - Feb. 1, 2010