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ISO2012SAFETYOFMACHINERYSAFETYRELATEDPARTSOFCONTROLSYSTEMSPART2VALIDATIONSCURITDESMACHINESPARTIESDESSYSTMESDECOMMANDERELATIVESLASCURITPARTIE2VALIDATIONINTERNATIONALSTANDARDISO138492SECONDEDITION20121015REFERENCENUMBERISO1384922012ECOPYRIGHTINTERNATIONALORGANIZATIONFORSTANDARDIZATIONPROVIDEDBYIHSUNDERLICENSEWITHISOLICENSEEUNIVERSITYOFALBERTA/5966844001,USERSHARABIANI,SHAHRAMFSNOTFORRESALE,12/03/2013083447MSTNOREPRODUCTIONORNETWORKINGPERMITTEDWITHOUTLICENSEFROMIHS,ISO1384922012EIIISO2012ALLRIGHTSRESERVEDCOPYRIGHTPROTECTEDDOCUMENTISO2012ALLRIGHTSRESERVEDUNLESSOTHERWISESPECIFIED,NOPARTOFTHISPUBLICATIONMAYBEREPRODUCEDORUTILIZEDINANYFORMORBYANYMEANS,ELECTRONICORMECHANICAL,INCLUDINGPHOTOCOPYINGANDMICROFILM,WITHOUTPERMISSIONINWRITINGFROMEITHERISOATTHEADDRESSBELOWORISOSMEMBERBODYINTHECOUNTRYOFTHEREQUESTERISOCOPYRIGHTOFFICECASEPOSTALE56CH1211GENEVA20TEL41227490111FAX41227490947EMAILCOPYRIGHTISOORGWEBWWWISOORGPUBLISHEDINSWITZERLANDCOPYRIGHTINTERNATIONALORGANIZATIONFORSTANDARDIZATIONPROVIDEDBYIHSUNDERLICENSEWITHISOLICENSEEUNIVERSITYOFALBERTA/5966844001,USERSHARABIANI,SHAHRAMFSNOTFORRESALE,12/03/2013083447MSTNOREPRODUCTIONORNETWORKINGPERMITTEDWITHOUTLICENSEFROMIHS,ISO1384922012EISO2012ALLRIGHTSRESERVEDIIICONTENTSPAGEFOREWORDIVINTRODUCTIONV1SCOPE12NORMATIVEREFERENCES13TERMSANDDEFINITIONS14VALIDATIONPROCESS141VALIDATIONPRINCIPLES142VALIDATIONPLAN343GENERICFAULTLISTS444SPECIFICFAULTLISTS445INFORMATIONFORVALIDATION446VALIDATIONRECORD65VALIDATIONBYANALYSIS651GENERAL652ANALYSISTECHNIQUES76VALIDATIONBYTESTING761GENERAL762MEASUREMENTACCURACY863MORESTRINGENTREQUIREMENTS864NUMBEROFTESTSAMPLES87VALIDATIONOFSAFETYREQUIREMENTSSPECIFICATIONFORSAFETYFUNCTIONS98VALIDATIONOFSAFETYFUNCTIONS99VALIDATIONOFPERFORMANCELEVELSANDCATEGORIES1091ANALYSISANDTESTING1092VALIDATIONOFCATEGORYSPECIFICATIONS1093VALIDATIONOFMTTFD,DCAVGANDCCF1294VALIDATIONOFMEASURESAGAINSTSYSTEMATICFAILURESRELATEDTOPERFORMANCELEVELANDCATEGORYOFSRP/CS1395VALIDATIONOFSAFETYRELATEDSOFTWARE1396VALIDATIONANDVERIFICATIONOFPERFORMANCELEVEL1497VALIDATIONOFCOMBINATIONOFSAFETYRELATEDPARTS1410VALIDATIONOFENVIRONMENTALREQUIREMENTS1511VALIDATIONOFMAINTENANCEREQUIREMENTS1512VALIDATIONOFTECHNICALDOCUMENTATIONANDINFORMATIONFORUSE16ANNEXAINFORMATIVEVALIDATIONTOOLSFORMECHANICALSYSTEMS17ANNEXBINFORMATIVEVALIDATIONTOOLSFORPNEUMATICSYSTEMS21ANNEXCINFORMATIVEVALIDATIONTOOLSFORHYDRAULICSYSTEMS31ANNEXDINFORMATIVEVALIDATIONTOOLSFORELECTRICALSYSTEMS40ANNEXEINFORMATIVEEXAMPLEOFVALIDATIONOFFAULTBEHAVIOURANDDIAGNOSTICMEANS53BIBLIOGRAPHY78COPYRIGHTINTERNATIONALORGANIZATIONFORSTANDARDIZATIONPROVIDEDBYIHSUNDERLICENSEWITHISOLICENSEEUNIVERSITYOFALBERTA/5966844001,USERSHARABIANI,SHAHRAMFSNOTFORRESALE,12/03/2013083447MSTNOREPRODUCTIONORNETWORKINGPERMITTEDWITHOUTLICENSEFROMIHS,ISO1384922012EFOREWORDISOTHEINTERNATIONALORGANIZATIONFORSTANDARDIZATIONISAWORLDWIDEFEDERATIONOFNATIONALSTANDARDSBODIESISOMEMBERBODIESTHEWORKOFPREPARINGINTERNATIONALSTANDARDSISNORMALLYCARRIEDOUTTHROUGHISOTECHNICALCOMMITTEESEACHMEMBERBODYINTERESTEDINASUBJECTFORWHICHATECHNICALCOMMITTEEHASBEENESTABLISHEDHASTHERIGHTTOBEREPRESENTEDONTHATCOMMITTEEINTERNATIONALORGANIZATIONS,GOVERNMENTALANDNONGOVERNMENTAL,INLIAISONWITHISO,ALSOTAKEPARTINTHEWORKISOCOLLABORATESCLOSELYWITHTHEINTERNATIONALELECTROTECHNICALCOMMISSIONIECONALLMATTERSOFELECTROTECHNICALSTANDARDIZATIONINTERNATIONALSTANDARDSAREDRAFTEDINACCORDANCEWITHTHERULESGIVENINTHEISO/IECDIRECTIVES,PART2THEMAINTASKOFTECHNICALCOMMITTEESISTOPREPAREINTERNATIONALSTANDARDSDRAFTINTERNATIONALSTANDARDSADOPTEDBYTHETECHNICALCOMMITTEESARECIRCULATEDTOTHEMEMBERBODIESFORVOTINGPUBLICATIONASANINTERNATIONALSTANDARDREQUIRESAPPROVALBYATLEAST75OFTHEMEMBERBODIESCASTINGAVOTEATTENTIONISDRAWNTOTHEPOSSIBILITYTHATSOMEOFTHEELEMENTSOFTHISDOCUMENTMAYBETHESUBJECTOFPATENTRIGHTSISOSHALLNOTBEHELDRESPONSIBLEFORIDENTIFYINGANYORALLSUCHPATENTRIGHTSISO138492WASPREPAREDBYTECHNICALCOMMITTEEISO/TC199,SAFETYOFMACHINERYTHISSECONDEDITIONCANCELSANDREPLACESTHEFIRSTEDITIONISO1384922003,WHICHHASBEENTECHNICALLYREVISEDINORDERTOADAPTTOISO1384912006INADDITION,THENEWANNEXEPROVIDESANEXAMPLEFORTHEVALIDATIONOFFAULTBEHAVIOURANDDIAGNOSTICMEANSISO13849CONSISTSOFTHEFOLLOWINGPARTS,UNDERTHEGENERALTITLESAFETYOFMACHINERYSAFETYRELATEDPARTSOFCONTROLSYSTEMSPART1GENERALPRINCIPLESFORDESIGNPART2VALIDATIONANNEXESATOD,WHICHAREINFORMATIVE,ARESTRUCTUREDACCORDINGTOTABLE1TABLE1STRUCTUREOFANNEXESATODOFTHISPARTOFISO13849ANNEXTECHNOLOGYLISTOFBASICSAFETYPRINCIPLESLISTOFWELLTRIEDSAFETYPRINCIPLESLISTOFWELLTRIEDCOMPONENTSFAULTLISTSANDFAULTEXCLUSIONSTABLESAMECHANICALA1A2A3A4,A5BPNEUMATICB1B2B3TOB18CHYDRAULICC1C2C3TOC12DELECTRICALINCLUDESELECTRONICSD1D2D3D4TOD21IVISO2012ALLRIGHTSRESERVEDCOPYRIGHTINTERNATIONALORGANIZATIONFORSTANDARDIZATIONPROVIDEDBYIHSUNDERLICENSEWITHISOLICENSEEUNIVERSITYOFALBERTA/5966844001,USERSHARABIANI,SHAHRAMFSNOTFORRESALE,12/03/2013083447MSTNOREPRODUCTIONORNETWORKINGPERMITTEDWITHOUTLICENSEFROMIHS,ISO1384922012EINTRODUCTIONTHESTRUCTUREOFSAFETYSTANDARDSINTHEFIELDOFMACHINERYISASFOLLOWSATYPEASTANDARDSBASICSAFETYSTANDARDSGIVINGBASICCONCEPTS,PRINCIPLESFORDESIGNANDGENERALASPECTSTHATCANBEAPPLIEDTOMACHINERYBTYPEBSTANDARDSGENERICSAFETYSTANDARDSDEALINGWITHONESAFETYASPECTORONETYPEOFSAFEGUARDTHATCANBEUSEDACROSSAWIDERANGEOFMACHINERYTYPEB1STANDARDSONPARTICULARSAFETYASPECTSFOREXAMPLESAFETYDISTANCES,SURFACETEMPERATURE,NOISETYPEB2STANDARDSONSAFEGUARDSFOREXAMPLETWOHANDCONTROLS,INTERLOCKINGDEVICES,PRESSURESENSITIVEDEVICES,GUARDSCTYPECSTANDARDSMACHINESAFETYSTANDARDSDEALINGWITHDETAILEDSAFETYREQUIREMENTSFORAPARTICULARMACHINEORGROUPOFMACHINESTHISDOCUMENTISATYPEBSTANDARDASSTATEDINISO12100THEREQUIREMENTSOFTHISDOCUMENTCANBESUPPLEMENTEDORMODIFIEDBYATYPECSTANDARDFORMACHINESWHICHARECOVEREDBYTHESCOPEOFATYPECSTANDARDANDWHICHHAVEBEENDESIGNEDANDBUILTACCORDINGTOTHEREQUIREMENTSOFTHATSTANDARD,THEREQUIREMENTSOFTHATTYPECSTANDARDTAKEPRECEDENCETHISPARTOFISO13849SPECIFIESTHEVALIDATIONPROCESSFORTHESAFETYFUNCTIONS,CATEGORIESANDPERFORMANCELEVELSFORTHESAFETYRELATEDPARTSOFCONTROLSYSTEMSITRECOGNIZESTHATTHEVALIDATIONOFSAFETYRELATEDPARTSOFCONTROLSYSTEMSCANBEACHIEVEDBYACOMBINATIONOFANALYSISSEECLAUSE5ANDTESTINGSEECLAUSE6,ANDSPECIFIESTHEPARTICULARCIRCUMSTANCESINWHICHTESTINGOUGHTTOBECARRIEDOUTMOSTOFTHEPROCEDURESANDCONDITIONSINTHISPARTOFISO13849AREBASEDONTHEASSUMPTIONTHATTHESIMPLIFIEDPROCEDUREFORESTIMATINGTHEPERFORMANCELEVELPLDESCRIBEDINISO1384912006,454,ISUSEDTHISPARTOFISO13849DOESNOTPROVIDEGUIDANCEFORSITUATIONSWHENOTHERPROCEDURESAREUSEDTOESTIMATEPLEGMARKOVMODELLING,INWHICHCASESOMEOFITSPROVISIONSWILLNOTAPPLYANDADDITIONALREQUIREMENTSCANBENECESSARYGUIDANCEONTHEGENERALPRINCIPLESFORTHEDESIGNSEEISO12100OFSAFETYRELATEDPARTSOFCONTROLSYSTEMS,REGARDLESSOFTHETYPEOFTECHNOLOGYUSEDELECTRICAL,HYDRAULIC,PNEUMATIC,MECHANICAL,ETC,ISPROVIDEDINISO138491THISINCLUDESDESCRIPTIONSOFSOMETYPICALSAFETYFUNCTIONS,DETERMINATIONOFTHEIRREQUIREDPERFORMANCELEVELS,ANDGENERALREQUIREMENTSOFCATEGORIESANDPERFORMANCELEVELSWITHINTHISPARTOFISO13849,SOMEOFTHEVALIDATIONREQUIREMENTSAREGENERAL,WHEREASOTHERSARESPECIFICTOTHETYPEOFTECHNOLOGYUSEDISO2012ALLRIGHTSRESERVEDVCOPYRIGHTINTERNATIONALORGANIZATIONFORSTANDARDIZATIONPROVIDEDBYIHSUNDERLICENSEWITHISOLICENSEEUNIVERSITYOFALBERTA/5966844001,USERSHARABIANI,SHAHRAMFSNOTFORRESALE,12/03/2013083447MSTNOREPRODUCTIONORNETWORKINGPERMITTEDWITHOUTLICENSEFROMIHS,COPYRIGHTINTERNATIONALORGANIZATIONFORSTANDARDIZATIONPROVIDEDBYIHSUNDERLICENSEWITHISOLICENSEEUNIVERSITYOFALBERTA/5966844001,USERSHARABIANI,SHAHRAMFSNOTFORRESALE,12/03/2013083447MSTNOREPRODUCTIONORNETWORKINGPERMITTEDWITHOUTLICENSEFROMIHS,SAFETYOFMACHINERYSAFETYRELATEDPARTSOFCONTROLSYSTEMSPART2VALIDATION1SCOPETHISPARTOFISO13849SPECIFIESTHEPROCEDURESANDCONDITIONSTOBEFOLLOWEDFORTHEVALIDATIONBYANALYSISANDTESTINGOFTHESPECIFIEDSAFETYFUNCTIONS,THECATEGORYACHIEVED,ANDTHEPERFORMANCELEVELACHIEVEDBYTHESAFETYRELATEDPARTSOFACONTROLSYSTEMSRP/CSDESIGNEDINACCORDANCEWITHISO138491NOTEADDITIONALREQUIREMENTSFORPROGRAMMABLEELECTRONICSYSTEMS,INCLUDINGEMBEDDEDSOFTWARE,AREGIVENINISO1384912006,46,ANDIEC615082NORMATIVEREFERENCESTHEFOLLOWINGREFERENCEDDOCUMENTSAREINDISPENSABLEFORTHEAPPLICATIONOFTHISDOCUMENTFORDATEDREFERENCES,ONLYTHEEDITIONCITEDAPPLIESFORUNDATEDREFERENCES,THELATESTEDITIONOFTHEREFERENCEDDOCUMENTINCLUDINGANYAMENDMENTSAPPLIESISO121002010,SAFETYOFMACHINERYGENERALPRINCIPLESFORDESIGNRISKASSESSMENTANDRISKREDUCTIONISO1384912006,SAFETYOFMACHINERYSAFETYRELATEDPARTSOFCONTROLSYSTEMSPART1GENERALPRINCIPLESFORDESIGN3TERMSANDDEFINITIONSFORTHEPURPOSESOFTHISDOCUMENT,THETERMSANDDEFINITIONSGIVENINISO12100ANDISO138491APPLY4VALIDATIONPROCESS41VALIDATIONPRINCIPLESTHEPURPOSEOFTHEVALIDATIONPROCESSISTOCONFIRMTHATTHEDESIGNOFTHESRP/CSSUPPORTSTHEOVERALLSAFETYREQUIREMENTSSPECIFICATIONFORTHEMACHINERYTHEVALIDATIONSHALLDEMONSTRATETHATEACHSRP/CSMEETSTHEREQUIREMENTSOFISO138491AND,INPARTICULAR,THEFOLLOWINGATHESPECIFIEDSAFETYCHARACTERISTICSOFTHESAFETYFUNCTIONSPROVIDEDBYTHATPART,ASSETOUTINTHEDESIGNRATIONALEBTHEREQUIREMENTSOFTHESPECIFIEDPERFORMANCELEVELSEEISO1384912006,451THEREQUIREMENTSOFTHESPECIFIEDCATEGORYSEEISO1384912006,62,INTERNATIONALSTANDARDISO1384922012EISO2012ALLRIGHTSRESERVED1COPYRIGHTINTERNATIONALORGANIZATIONFORSTANDARDIZATIONPROVIDEDBYIHSUNDERLICENSEWITHISOLICENSEEUNIVERSITYOFALBERTA/5966844001,USERSHARABIANI,SHAHRAMFSNOTFORRESALE,12/03/2013083447MSTNOREPRODUCTIONORNETWORKINGPERMITTEDWITHOUTLICENSEFROMIHS,ISO1384922012E2THEMEASURESFORCONTROLANDAVOIDANCEOFSYSTEMATICFAILURESSEEISO1384912006,ANNEXG,3IFAPPLICABLE,THEREQUIREMENTSOFTHESOFTWARESEEISO1384912006,46,AND4THEABILITYTOPERFORMASAFETYFUNCTIONUNDEREXPECTEDENVIRONMENTALCONDITIONSCTHEERGONOMICDESIGNOFTHEOPERATORINTERFACE,EGSOTHATTHEOPERATORISNOTTEMPTEDTOACTINAHAZARDOUSMANNER,SUCHASDEFEATINGTHESRP/CSSEEISO1384912006,48VALIDATIONSHOULDBECARRIEDOUTBYPERSONSWHOAREINDEPENDENTOFTHEDESIGNOFTHESRP/CSNOTE“INDEPENDENTPERSON”DOESNOTNECESSARILYMEANTHATATHIRDPARTYTESTISREQUIREDVALIDATIONCONSISTSOFAPPLYINGANALYSISSEECLAUSE5ANDEXECUTINGFUNCTIONALTESTSSEECLAUSE6UNDERFORESEEABLECONDITIONSINACCORDANCEWITHTHEVALIDATIONPLANFIGURE1GIVESANOVERVIEWOFTHEVALIDATIONPROCESSTHEBALANCEBETWEENTHEANALYSISANDTESTINGDEPENDSONTHETECHNOLOGYUSEDFORTHESAFETYRELATEDPARTSANDTHEREQUIREDPERFORMANCELEVELFORCATEGORIES2,3AND4THEVALIDATIONOFTHESAFETYFUNCTIONSHALLALSOINCLUDETESTINGUNDERFAULTCONDITIONSTHEANALYSISSHOULDBESTARTEDASEARLYASPOSSIBLEIN,ANDINPARALLELWITH,THEDESIGNPROCESSPROBLEMSCANTHENBECORRECTEDEARLYWHILETHEYARESTILLRELATIVELYEASYTOCORRECT,IEDURINGSTEPS“DESIGNANDTECHNICALREALIZATIONOFTHESAFETYFUNCTION”AND“EVALUATETHEPERFORMANCELEVELPL”THEFOURTHANDFIFTHBOXESDOWNININISO1384912006,FIGURE3ITCANBENECESSARYFORSOMEPARTSOFTHEANALYSISTOBEDELAYEDUNTILTHEDESIGNISWELLDEVELOPEDWHERENECESSARYDUETOTHESYSTEMSSIZE,COMPLEXITYORTHEEFFECTSOFINTEGRATINGITWITHTHECONTROLSYSTEMOFTHEMACHINERY,SPECIALARRANGEMENTSSHOULDBEMADEFORVALIDATIONOFTHESRP/CSSEPARATELYBEFOREINTEGRATION,INCLUDINGSIMULATIONOFTHEAPPROPRIATEINPUTANDOUTPUTSIGNALS,ANDVALIDATIONOFTHEEFFECTSOFINTEGRATINGSAFETYRELATEDPARTSINTOTHEREMAINDEROFTHECONTROLSYSTEMWITHINTHECONTEXTOFITSUSEINTHEMACHINE2ISO2012ALLRIGHTSRESERVEDCOPYRIGHTINTERNATIONALORGANIZATIONFORSTANDARDIZATIONPROVIDEDBYIHSUNDERLICENSEWITHISOLICENSEEUNIVERSITYOFALBERTA/5966844001,USERSHARABIANI,SHAHRAMFSNOTFORRESALE,12/03/2013083447MSTNOREPRODUCTIONORNETWORKINGPERMITTEDWITHOUTLICENSEFROMIHS,ISO1384922012EFIGURE1OVERVIEWOFTHEVALIDATIONPROCESS“MODIFICATIONOFTHEDESIGN”INFIGURE1REFERSTOTHEDESIGNPROCESSIFTHEVALIDATIONCANNOTBESUCCESSFULLYCOMPLETED,CHANGESINTHEDESIGNARENECESSARYTHEVALIDATIONOFTHEMODIFIEDSAFETYRELATEDPARTSSHOULDTHENBEREPEATEDTHISPROCESSSHOULDBEITERATEDUNTILALLSAFETYRELATEDPARTSOFTHESAFETYFUNCTIONSARESUCCESSFULLYVALIDATED42VALIDATIONPLANTHEVALIDATIONPLANSHALLIDENTIFYANDDESCRIBETHEREQUIREMENTSFORCARRYINGOUTTHEVALIDATIONPROCESSFORTHESPECIFIEDSAFETYFUNCTIONS,THEIRCATEGORIESANDPERFORMANCELEVELSTHEVALIDATIONPLANSHALLALSOIDENTIFYTHEMEANSTOBEEMPLOYEDTOVALIDATETHESPECIFIEDSAFETYFUNCTIONS,CATEGORIESANDPERFORMANCELEVELSITSHALLSETOUT,WHEREAPPROPRIATEATHEIDENTITYOFTHESPECIFICATIONDOCUMENTS,BTHEOPERATIONALANDENVIRONMENTALCONDITIONSDURINGTESTING,ISO2012ALLRIGHTSRESERVED3COPYRIGHTINTERNATIONALORGANIZATIONFORSTANDARDIZATIONPROVIDEDBYIHSUNDERLICENSEWITHISOLICENSEEUNIVERSITYOFALBERTA/5966844001,USERSHARABIANI,SHAHRAMFSNOTFORRESALE,12/03/2013083447MSTNOREPRODUCTIONORNETWORKINGPERMITTEDWITHOUTLICENSEFROMIHS,ISO1384922012ECTHEANALYSESANDTESTSTOBEAPPLIED,DTHEREFERENCETOTESTSTANDARDSTOBEAPPLIED,ANDETHEPERSONSORPARTIESRESPONSIBLEFOREACHSTEPINTHEVALIDATIONPROCESSSAFETYRELATEDPARTSWHICHHAVEPREVIOUSLYBEENVALIDATEDTOTHESAMESPECIFICATIONNEEDONLYAREFERENCETOTHATPREVIOUSVALIDATION43GENERICFAULTLISTSTHEVALIDATIONPROCESSINVOLVESCONSIDERATIONOFTHEBEHAVIOUROFTHESRP/CSFORALLFAULTSTOBECONSIDEREDABASISFORFAULTCONSIDERATIONISGIVENINTHETABLESOFFAULTLISTSINANNEXESATOD,WHICHAREBASEDONEXPERIENCEANDWHICHCONTAINTHECOMPONENTS/ELEMENTSTOBEINCLUDED,EGCONDUCTORS/CABLESSEEANNEXD,THEFAULTSTOBETAKENINTOACCOUNT,EGSHORTCIRCUITSBETWEENCONDUCTORS,THEPERMITTEDFAULTEXCLUSIONS,TAKINGINTOACCOUNTENVIRONMENTAL,OPERATINGANDAPPLICATIONASPECTS,ANDAREMARKSSECTIONGIVINGTHEREASONSFORTHEFAULTEXCLUSIONSONLYPERMANENTFAULTSARETAKENINTOACCOUNTINTHEFAULTLISTS44SPECIFICFAULTLISTSIFNECESSARY,ASPECIFICPRODUCTRELATEDFAULTLISTSHALLBEGENERATEDASAREFERENCEDOCUMENTFORTHEVALIDATIONPROCESSOFTHESAFETYRELATEDPARTSTHELISTCANBEBASEDONTHEAPPROPRIATEGENERICLISTSFOUNDINTHEANNEXESWHERETHESPECIFICPRODUCTRELATEDFAULTLISTISBASEDONTHEGENERICLISTSITSHALLSTATEATHEFAULTSTAKENFROMTHEGENERICLISTSTOBEINCLUDED,BANYOTHERRELEVANTFAULTSTOBEINCLUDEDBUTNOTGIVENINTHEGENERICLISTEGCOMMONCAUSEFAILURES,CTHEFAULTSTAKENFROMTHEGENERICLISTSWHICHMAYBEEXCLUDEDONTHEBASISTHATTHECRITERIAGIVENINTHEGENERICLISTSSEEISO1384912006,73ARESATISFIED,ANDEXCEPTIONALLYDANYOTHERFAULTSFORWHICHTHEGENERICLISTSDONOTPERMITANEXCLUSION,BUTFORWHICHJUSTIFICATIONANDRATIONALEFORANEXCLUSIONISPRESENTEDSEEISO1384912006,73WHERETHISLISTISNOTBASEDONTHEGENERICLISTS,THEDESIGNERSHALLGIVETHERATIONALEFORFAULTEXCLUSIONS45INFORMATIONFORVALIDATIONTHEINFORMATIONREQUIREDFORVALIDATIONWILLVARYWITHTHETECHNOLOGYUSED,THECATEGORYORCATEGORIESANDPERFORMANCELEVELSTOBEDEMONSTRATED,THEDESIGNRATIONALEOFTHESYSTEM,ANDTHECONTRIBUTIONOFTHESRP/CSTOTHEREDUCTIONOFTHERISKDOCUMENTSCONTAININGSUFFICIENTINFORMATIONFROMTHEFOLLOWINGLISTSHALLBEINCLUDEDINTHEVALIDATIONPROCESSTODEMONSTRATETHATTHESAFETYRELATEDPARTSPERFORMTHESPECIFIEDSAFETYFUNCTIONSTOTHEREQUIREDPERFORMANCELEVELORLEVELSANDCATEGORYORCATEGORIESASPECIFICATIONOFTHEREQUIREDCHARACTERISTICSOFEACHSAFETYFUNCTION,ANDITSREQUIREDCATEGORYANDPERFORMANCELEVELBDRAWINGSANDSPECIFICATIONS,EGFORMECHANICAL,HYDRAULICANDPNEUMATICPARTS,PRINTEDCIRCUITBOARDS,ASSEMBLEDBOARDS,INTERNALWIRING,ENCLOSURE,MATERIALS,MOUNTING4ISO2012ALLRIGHTSRESERVEDCOPYRIGHTINTERNATIONALORGANIZATIONFORSTANDARDIZATIONPROVIDEDBYIHSUNDERLICENSEWITHISOLICENSEEUNIVERSITYOFALBERTA/5966844001,USERSHARABIANI,SHAHRAMFSNOTFORRESALE,12/03/2013083447MSTNOREPRODUCTIONORNETWORKINGPERMITTEDWITHOUTLICENSEFROMIHS,ISO1384922012ECBLOCKDIAGRAMSWITHAFUNCTIONALDESCRIPTIONOFTHEBLOCKSDCIRCUITDIAGRAMS,INCLUDINGINTERFACES/CONNECTIONSEFUNCTIONALDESCRIPTIONOFTHECIRCUITDIAGRAMSFTIMESEQUENCEDIAGRAMSFORSWITCHINGCOMPONENTS,SIGNALSRELEVANTFORSAFETYGDESCRIPTIONOFTHERELEVANTCHARACTERISTICSOFCOMPONENTSPREVIOUSLYVALIDATEDHFORSAFETYRELATEDPARTSOTHERTHANTHOSELISTEDING,COMPONENTLISTSWITHITEMDESIGNATIONS,RATEDVALUES,TOLERANCES,RELEVANTOPERATINGSTRESSES,TYPEDESIGNATION,FAILURERATEDATAANDCOMPONENTMANUFACTURER,ANDANYOTHERDATARELEVANTTOSAFETYIANALYSISOFALLRELEVANTFAULTSSEEALSO43AND44,SUCHASTHOSELISTEDINTHETABLESOFANNEXESATOD,INCLUDINGTHEJUSTIFICATIONOFANYEXCLUDEDFAULTSJANANALYSISOFTHEINFLUENCEOFPROCESSEDMATERIALSKINFORMATIONFORUSE,EGINSTALLATIONANDOPERATIONMANUAL/INSTRUCTIONHANDBOOKWHERESOFTWAREISRELEVANTTOTHESAFETYFUNCTIONS,THESOFTWAREDOCUMENTATIONSHALLINCLUDEASPECIFICATIONWHICHISCLEARANDUNAMBIGUOUSANDWHICHSTATESTHESAFETYPERFORMANCETHESOFTWAREISREQUIREDTOACHIEVE,EVIDENCETHATTHESOFTWAREISDESIGNEDTOACHIEVETHEREQUIREDPERFORMANCELEVELSEE95,ANDDETAILSOFTESTSINPARTICULARTESTREPORTSCARRIEDOUTTOPROVETHATTHEREQUIREDSAFETYPERFORMANCEISACHIEVEDNOTESEEISO1384912006,462AND463,FORREQUIREMENTSINFORMATIONISREQUIREDONHOWTHEPERFORMANCELEVELANDAVERAGEPROBABILITYOFADANGEROUSFAILUREPERHOURISDETERMINEDTHEDOCUMENTATIONOFTHEQUANTIFIABLEASPECTSSHALLINCLUDETHESAFETYRELATEDBLOCKDIAGRAMSEEISO1384912006,ANNEXBORDESIGNATEDARCHITECTURESEEISO1384912006,62,THEDETERMINATIONOFMTTFD,DCAVGANDCCF,ANDTHEDETERMINATIONOFTHECATEGORYSEETABLE2INFORMATIONISREQUIREDFORDOCUMENTATIONONSYSTEMATICASPECTSOFTHESRP/CSINFORMATIONISREQUIREDASTOHOWTHECOMBINATIONOFSEVERALSRP/CSACHIEVESAPERFORMANCELEVELINACCORDANCEWITHTHEPERFORMANCELEVELREQUIREDTABLE2DOCUMENTATIONREQUIREMENTSFORCATEGORIESINRESPECTOFPERFORMANCELEVELSDOCUMENTATIONREQUIREMENTCATEGORYFORWHICHDOCUMENTATIONISREQUIREDB1234BASICSAFETYPRINCIPLESXXXXXEXPECTEDOPERATINGSTRESSESXXXXXINFLUENCESOFPROCESSEDMATERIALXXXXXPERFORMANCEDURINGOTHERRELEVANTEXTERNALINFLUENCESXXXXXWELLTRIEDCOMPONENTSXWELLTRIEDSAFETYPRINCIPLESXXXXISO2012ALLRIGHTSRESERVED5COPYRIGHTINTERNATIONALORGANIZATIONFORSTANDARDIZATIONPROVIDEDBYIHSUNDERLICENSEWITHISOLICENSEEUNIVERSITYOFALBERTA/5966844001,USERSHARABIANI,SHAHRAMFSNOTFORRESALE,12/03/2013083447MSTNOREPRODUCTIONORNETWORKINGPERMITTEDWITHOUTLICENSEFROMIHS,ISO1384922012EDOCUMENTATIONREQUIREMENTCATEGORYFORWHICHDOCUMENTATIONISREQUIREDB1234MEANTIMETODANGEROUSFAILUREMTTFDOFEACHCHANNELXXXXXTHECHECKPROCEDUREOFTHESAFETYFUNCTIONSXDIAGNOSTICMEASURESPERFORMED,INCLUDINGFAULTREACTIONXXXCHECKINGINTERVALS,WHENSPECIFIEDXXXDIAGNOSTICCOVERAGEDCAVGXXXFORESEEABLESINGLEFAULTSCONSIDEREDINTHEDESIGNANDTHEDETECTIONMETHODUSEDXXXCOMMONCAUSEFAILURESCCFIDENTIFIEDANDHOWTOPREVENTTHEMXXXFORESEEABLESINGLEFAULTSEXCLUDEDXXFAULTSTOBEDETECTEDXXXHOWTHESAFETYFUNCTIONISMAINTAINEDINTHECASEOFEACHOFTHEFAULTSXXHOWTHESAFETYFUNCTIONISMAINTAINEDFOREACHOFTHECOMBINATIONSOFFAULTSXMEASURESAGAINSTSYSTEMATICFAULTSXXXXXMEASURESAGAINSTSOFTWAREFAULTSXXXXXDOCUMENTATIONREQUIREDDOCUMENTATIONNOTREQUIREDNOTETHECATEGORIESARETHOSEGIVENINISO138491200646VALIDATIONRECORDVALIDATIONBYANALYSISANDTESTINGSH
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