Industrial communication networks - Profiles - Part 5-21: Installation of fieldbuses - Installation profiles for CPF 21 (IEC 61784-5-21:2018); German version EN IEC 61784-5-21:2018
工业通信网络.配置文件.第5-21部分:现场总线的安装.CPF 21的安装配置文件(IEC 61784-5-21-2018);德国版本EN IEC 61784-5-21:2018