IEC61784-3Edition4.02021-02INTERNATIONALSTANDARDNORMEINTERNATIONALEIndustrialcommunicationnetworks–Profiles–Part3:Functionalsafetyfieldbuses–GeneralrulesandprofiledefinitionsRéseauxdecommunicationindustriels–Profils–Partie3:Busdeterraindesécuritéfonctionnelle–RèglesgénéralesetdéfinitionsdeprofilsIEC61784-3:2021-02(en-fr)®colourinsideTHISPUBLICATIONISCOPYRIGHTPROTECTEDCopyright©2021IEC,Geneva,SwitzerlandAllrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherIECorIEC'smemberNationalCommitteeinthecountryoftherequester.IfyouhaveanyquestionsaboutIECcopyrightorhaveanenquiryaboutobtainingadditionalrightstothispublication,pleasecontacttheaddressbeloworyourlocalIECmemberNationalCommitteeforfurtherinformation.Droitsdereproductionréservés.Saufindicationcontraire,aucunepartiedecettepublicationnepeutêtrereproduiteniutiliséesousquelqueformequecesoitetparaucunprocédé,électroniqueoumécanique,ycomprislaphotocopieetlesmicrofilms,sansl'accordécritdel'IECouduComiténationaldel'IECdupaysdudemandeur.Sivousavezdesquestionssurlecopyrightdel'IECousivousdésirezobtenirdesdroitssupplémentairessurcettepublication,utilisezlescoordonnéesci-aprèsoucontactezleComiténationaldel'IECdevotrepaysderésidence.IECCentralOfficeTel.:+412291902113,ruedeVarembéinfo@iec.chCH-1211Geneva20www.iec.chSwitzerlandAbouttheIECTheInternationalElectrotechnicalCommission(IEC)istheleadingglobalorganizationthatpreparesandpublishesInternationalStandardsforallelectrical,electronicandrelatedtechnologies.AboutIECpublicationsThetechnicalcontentofIECpublicationsiskeptunderconstantreviewbytheIEC.Pleasemakesurethatyouhavethelatestedition,acorrigendumoranamendmentmighthavebeenpublished.IECpublicationssearch-webstore.iec.ch/advsearchformTheadvancedsearchenablestofindIECpublicationsbyavarietyofcriteria(referencenumber,text,technicalcommittee,…).Italsog...
