DIN EN 61496-2:2014
機械的安全性.電敏保護設備.第2部分:使用有源光電子保護器件(AOPDs)的設備用特殊要求
Safety of machinery - Electro-sensitive protective equipment - Part 2: Particular requirements for equipment using active opto-electronic protective devices (AOPDs) (IEC 61496-2:2013); German version EN 61496-2:2013