BS EN 62439-3:2012 Industrial communication networks. High availability automation networks. Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR)
2018BS EN IEC 62439-3:2018 Industrial communication networks. High availability automation networks. Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR)
2012BS EN 62439-3:2012 Industrial communication networks. High availability automation networks. Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR)
2010BS EN 62439-3:2010 Industrial communication networks - High availability automation networks - Parallel redundancy protocol (PRP) and high availability seamless redundancy (HSR)