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时间:2019-08-09
《CEI IEC 61508 6》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、61508-6ãIEC:19971Version4.005/12/97COMMISSIONCEIELECTROTECHNIQUEIECINTERNATIONALE61508-6INTERNATIONALELECTROTECHNICALCOMMISSIONFunctionalsafetyofelectrical/electronic/programmableelectronicsafety-relatedsystemsPart6:Guidelinesontheapplicationofparts2and361508
2、-6ãIEC:19972Version4.005/12/97ContentsForeword....................................................................................................................................6Introduction....................................................................
3、.............................................................81Scope...................................................................................................................................102Definitionsandabbreviations..............................
4、.....................................................................12AnnexA(informative)Applicationofparts2and3........................................................................13A.1General..............................................................
5、..........................................................13A.2Functionalsteps...........................................................................................................15AnnexB(informative)Exampletechniqueforevaluatingprobabilitiesoffailure..
6、...............................21B.1General........................................................................................................................21B.2Averageprobabilityoffailureperdemand(forlowdemandmodeofoperation).....................23B.2
7、.1Procedureforcalculations..................................................................................23B.2.2Detailedtablesforlowdemandmodeofoperation................................................26B.2.3Examplesforlowdemandmodeofoperation.............
8、..........................................30B.2.4Architecturesforlowdemandmodeofoperation..................................................33B.3Probabilityoffailureperhour(forhighdemandor
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