INTERNATIONALSTANDARDIEC61511-2Firstedition2003-07Functionalsafety–Safetyinstrumentedsystemsfortheprocessindustrysector–Part2:GuidelinesfortheapplicationofIEC61511-1ReferencenumberIEC61511-2:2003(E)COPYRIGHT2003;InternationalElectrotechnicalCommissionDocumentprovidedbyIHSLicensee=AgipKOC/5950653001,User=,09/30/200305:06:03MDTQuestionsorcommentsaboutthismessage:pleasecalltheDocumentPolicyGroupat1-800-451-1584.--`,,``,,,````,``,```,`,,,`````-`-`,,`,,`,`,,`---PublicationnumberingAsfrom1January1997allIECpublicationsareissuedwithadesignationinthe60000series.Forexample,IEC34-1isnowreferredtoasIEC60034-1.ConsolidatededitionsTheIECisnowpublishingconsolidatedversionsofitspublications.Forexample,editionnumbers1.0,1.1and1.2refer,respectively,tothebasepublication,thebasepublicationincorporatingamendment1andthebasepublicationincorporatingamendments1and2.FurtherinformationonIECpublicationsThetechnicalcontentofIECpublicationsiskeptunderconstantreviewbytheIEC,thusensuringthatthecontentreflectscurrenttechnology.Informationrelatingtothispublication,includingitsvalidity,isavailableintheIECCatalogueofpublications(seebelow)inadditiontoneweditions,amendmentsandcorrigenda.Informationonthesubjectsunderconsiderationandworkinprogressundertakenbythetechnicalcommitteewhichhaspreparedthispublication,aswellasthelistofpublicationsissued,isalsoavailablefromthefollowing:•IECWebSite(www.iec.ch)•CatalogueofIECpublicationsTheon-linecatalogueontheIECwebsite(www.iec.ch/searchpub)enablesyoutosearchbyavarietyofcriteriaincludingtextsearches,technicalcommitteesanddateofpublication.On-lineinformationisalsoavailableonrecentlyissuedpublications,withdrawnandreplacedpublications,aswellascorrigenda.•IECJustPublishedThissummaryofrecentlyissuedpublications(www.iec.ch/online_news/justpub)isalsoavailablebyemail.PleasecontacttheCustomerServiceCentre(seebelow)forfurtherinformation.•CustomerServiceCentreIfyouhaveanyquestionsregardingthispublicationorneedfurtherassistance,pleasecontacttheCustomerServiceCentre:Em...