DIN EN 61508-2-2011
电气/电子/可编程电子安全相关系统的功能安全.第2部分:电气/电子/可编程电子安全相关系统的要求(IEC 61508-2-2010);德文版本EN 61508-2-2010
Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems (IEC 61508-2:2010); German version EN 61508-2:2010