DIN EN 62439-3 (2010-09)被替代
Industrial communication networks - High availability automation networks Part 3: Parallel Redundancy Protocol (PRP) and High availability Seamless Redundancy (HSR) (IEC 62439-3:2010); English version EN 62439-3:2010
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
