IEC61508-2:2010isastandardthatprovidesrequirementsforthefunctionalsafetyofelectrical/electronic/programmableelectronicsafety-relatedsystems.Toaddadescriptiveparagraphtothisstandard,youcouldincludethefollowingtext:"TherequirementsoutlinedinIEC61508-2:2010aredesignedtoensurethatsafety-relatedsystemsachievethenecessaryriskreductionfortheirintendedapplication.Thispartofthestandardspecificallyaddressesthesystematiccapabilityofhardwareandsoftwaretomeetsafetyintegritylevels(SILs)throughrigorousdesign,verification,andvalidationprocesses.Itemphasizestheimportanceofastructuredapproachtosafetylifecyclemanagement,includinghazardandriskanalysis,safetyrequirementsspecification,andtheimplementationofappropriatearchitecturalmeasurestopreventsystematicfailures.Compliancewiththeserequirementshelpstominimizethelikelihoodofdangerousfailuresandensuresthatsafetyfunctionsperformasintendedunderallforeseeableconditions."Thisadditionwouldhelpclarifythestandard'sobjectivesandkeyprinciples.
