This is the functional safety package for electrical / electronic / programmable electronic safety related systems. It provides guidelines for safety integrity levels, general software requirements, an overview of techniques and measures, definitions and more. Contains the following IEC series documents: IEC 61508-0 Ed. 1.0 b:2005, IEC 61508-1 Ed. 1.0 b:1998, IEC 61508-2 Ed. 1.0 b:2000, IEC 61508-3 Ed. 1.0 b:1998, IEC 61508-4 Ed. 1.0 b:1998, IEC 61508-5 Ed. 1.0 b:1998, IEC 61508-6 Ed. 1.0 b:2000, IEC 61508-7 Ed. 1.0 b:2000