IEC61158-5-21Edition1.02010-08INTERNATIONALSTANDARDNORMEINTERNATIONALEIndustrialcommunicationnetworks–Fieldbusspecifications–Part5-21:Applicationlayerservicedefinition–Type21elementsRéseauxdecommunicationindustriels–Spécificationsdesbusdeterrain–Partie5-21:Définitiondesservicesdelacoucheapplication–ElémentsdeType21IEC61158-5-21:2010®CopyrightedmateriallicensedtoBRDemobyThomsonReuters(Scientific),Inc.,subscriptions.techstreet.com,downloadedonNov-28-2014byJamesMadison.Nofurtherreproductionordistributionispermitted.UncontrolledwhenprinteTHISPUBLICATIONISCOPYRIGHTPROTECTEDCopyright©2010IEC,Geneva,SwitzerlandAllrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherIECorIEC'smemberNationalCommitteeinthecountryoftherequester.IfyouhaveanyquestionsaboutIECcopyrightorhaveanenquiryaboutobtainingadditionalrightstothispublication,pleasecontacttheaddressbeloworyourlocalIECmemberNationalCommitteeforfurtherinformation.Droitsdereproductionréservés.Saufindicationcontraire,aucunepartiedecettepublicationnepeutêtrereproduiteniutiliséesousquelqueformequecesoitetparaucunprocédé,électroniqueoumécanique,ycomprislaphotocopieetlesmicrofilms,sansl'accordécritdelaCEIouduComiténationaldelaCEIdupaysdudemandeur.SivousavezdesquestionssurlecopyrightdelaCEIousivousdésirezobtenirdesdroitssupplémentairessurcettepublication,utilisezlescoordonnéesci-aprèsoucontactezleComiténationaldelaCEIdevotrepaysderésidence.IECCentralOfficeTel.:+412291902113,ruedeVarembéFax:+41229190300CH-1211Geneva20info@iec.chSwitzerlandwww.iec.chAbouttheIECTheInternationalElectrotechnicalCommission(IEC)istheleadingglobalorganizationthatpreparesandpublishesInternationalStandardsforallelectrical,electronicandrelatedtechnologies.AboutIECpublicationsThetechnicalcontentofIECpublicationsiskeptunderconstantreviewbytheIEC.Pleasemakesurethatyouhavethelatesteditio...
