DIN EN 62439-7-2012 工业通信网络.高可用性自动化网络.第7部分:环型冗余协议(RRP)(IEC 62439-7-2011).英文版本EN 62439-7-2012
Industrial communication networks - High availability automation networks - Part 7: Ring-based Redundancy Protocol (RRP) (IEC 62439-7:2011); English version EN 62439-7:2012