DIN EN 61784-3-18/A1-2018 工业通信网络. 协议集. 第3部分: 功能安全性现场总线. CPF 18用附加规范 (IEC 61784-3-18-2011/A1-2016); 英文版本EN 61784-3-18-2011/A1-2017
Industrial communication networks - Profiles - Part 3-18: Functional safety fieldbuses - Additional specifications for CPF 18 (IEC 61784-3-18:2011/A1:2016); English version EN 61784-3-18:2011/A1:2017
This standard explains the relevant principles for functional safety communications with reference to IEC 61508 series and specifies a safety communication layer (services and corresponding protocol) based on CPF 18 EC 61784-2 and the IEC 61158 Type 22. It does not cover electrical safety and intrinsic safety aspects.