IECTR61511-0Edition1.02018-01TECHNICALREPORTFunctionalsafety–Safetyinstrumentedsystemsfortheprocessindustrysector–Part0:FunctionalsafetyfortheprocessindustryandIEC61511IECTR61511-0:2018-01(en)®THISPUBLICATIONISCOPYRIGHTPROTECTEDCopyright©2018IEC,Geneva,SwitzerlandAllrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherIECorIEC'smemberNationalCommitteeinthecountryoftherequester.IfyouhaveanyquestionsaboutIECcopyrightorhaveanenquiryaboutobtainingadditionalrightstothispublication,pleasecontacttheaddressbeloworyourlocalIECmemberNationalCommitteeforfurtherinformation.IECCentralOfficeTel.:+412291902113,ruedeVarembéinfo@iec.chCH-1211Geneva20www.iec.chSwitzerlandAbouttheIECTheInternationalElectrotechnicalCommission(IEC)istheleadingglobalorganizationthatpreparesandpublishesInternationalStandardsforallelectrical,electronicandrelatedtechnologies.AboutIECpublicationsThetechnicalcontentofIECpublicationsiskeptunderconstantreviewbytheIEC.Pleasemakesurethatyouhavethelatestedition,acorrigendaoranamendmentmighthavebeenpublished.IECCatalogue-webstore.iec.ch/catalogueThestand-aloneapplicationforconsultingtheentirebibliographicalinformationonIECInternationalStandards,TechnicalSpecifications,TechnicalReportsandotherdocuments.AvailableforPC,MacOS,AndroidTabletsandiPad.IECpublicationssearch-webstore.iec.ch/advsearchformTheadvancedsearchenablestofindIECpublicationsbyavarietyofcriteria(referencenumber,text,technicalcommittee,…).Italsogivesinformationonprojects,replacedandwithdrawnpublications.IECJustPublished-webstore.iec.ch/justpublishedStayuptodateonallnewIECpublications.JustPublisheddetailsallnewpublicationsreleased.Availableonlineandalsoonceamonthbyemail.Electropedia-www.electropedia.orgTheworld'sleadingonlinedictionaryofelectronicandelectricaltermscontaining21000termsanddefinitionsinEnglishandFrench,withequivalenttermsin16additiona...