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International Standard IEC 61508-7
Functional safety of electrical / electronic / programmable electronic safety related systems
Part 7: Overview on techniques and measures
Extract from webstore.iec.ch.
IEC 61508-7:2010 contains an overview of various safety techniques and measures relevant to IEC 61508-2 and IEC 61508-3.The references should be considered as basic references to methods and tools or as examples, and may not represent the state of the art. This edition constitutes a technical revision. It has been subject to a thorough review and incorporates many comments received at the various revision stages.