Technical-Product-Guide-for-Tricon-v11-Systems-(Ju

Introduction..........................................................................1TheoryofOperation.............................................................3SystemConfiguration........................................................11ProductSpecifications.......................................................17FieldTerminationOptions..................................................47CommunicationCapabilities..............................................59TriStation1131Developer’sWorkbench...........................63CEMProgrammingLanguageEditor.................................67SequenceofEvents(SOE)Capability...............................69SafetyViewABM...............................................................71PartNumberCross-Reference..........................................75Glossary.............................................................................79TechnicalProductGuideTricon™v11SystemsPartNo.9791007-026,Rev0June2014Informationinthisdocumentissubjecttochangewithoutnotice.Companies,namesanddatausedinexampleshereinarefictitiousunlessotherwisenoted.Nopartofthisdocumentmaybereproducedortransmittedinanyformorbyanymeans,electronicormechanical,foranypurpose,withouttheexpresswrittenpermissionofInvensysSystems,Inc,nowpartofSchneiderElectric.©2006–2014InvensysSystems,Inc.Allrightsreserved.Invensys,Foxboro,FoxboroEvo,ArchestrA,InTouch,Triconex,Tricon,Trident,TriStation,andWondewarearetrademarksofInvensysLimited.Allotherbrandsmaybetrademarksoftheirrespectiveowners.DISCLAIMERBecauseofthevarietyofusesforthisequipmentandbecauseofthedifferencesbetweenthisfault-tolerantequipmentandtraditionalprogrammablelogicandprocesscontrollers,theuserof,andthoseresponsibleforapplying,thisequipmentmustsatisfythemselvesastotheacceptabilityofeachapplicationandtheuseoftheequipment.Theillustrations,chartsandlayoutexamplesshowninthismanualareintendedsolelytoillustratethetextofthismanual.Becauseofthemanyvariablesandrequirementsassociatedwithanyparticularinstallation,InvensysSystems,Inc.cannotassumeresponsibilityorliabilityforactualusebasedupontheillustrativeusesandapplications.InnoeventwillInvensysSystems,Inc.beresponsibleorliableforindirectorconsequentialdamagesresultingfromtheuseorapplicationofthisequipment.INVENSYSSYSTEMS,INC.DISCLAIMSANYIMPLIEDWARRANTYOFFITNESSFORAPARTICULARPURPOSE.InvensysSystems,Inc.reservestherighttomakechangesatanytimeinordertoimprovedesignandtosupplythemostreliableproduct.NopatentorcopyrightliabilityisassumedbyInvensysSystems,Inc.withrespecttouseofinformation,circuits,equipmentorsoftwaredescribedinthistext.TECHNICALSUPPORTCustomersintheU.S.andCanadacanobtaintechnicalsupportfromtheGlobalCustomerSupport(GCS)centeratthenumbersbelow.Internationalcustomersshouldcontacttheirregionalsupportcenter.Telephone:Toll-freenumber866-746-6477,orTollnumber508-549-2424(outsideU.S.)Fax:Tollnumber508-549-4999Preface1TheTriconfault-tolerantcontrollerisbasedonaTriple-ModularRedundant(TMR)architecture.IntroductionWhatIsFault-TolerantControl?Afault-tolerantcontrolsystemidenti-fiesandcompensatesforfailedcontrolsystemelementsandallowsrepairwhilecontinuinganassignedtaskwithoutprocessinterruption.Ahigh-integritycontrolsystemsuchastheTricon™controllerisusedincriticalprocessapplicationsthatrequireasignificantdegreeofsafetyandavail-ability.WhatIstheTriconController?TheTriconcontrollerisastate-of-theartcontrollerthatprovidesfaulttoler-ancebymeansofTriple-ModularRedundant(TMR)architecture.TMRintegratesthreeisolated,parallelcontrolsystemsandextensivediagnos-ticsinonecontrolsystem.Thesystemusestwo-out-of-threevotingtoprovidehigh-integrity,error-free,uninterruptedprocessoperation.TheTriconcontrollerusesthreeiden-ticalchannels.Eachchannelindepen-dentlyexecutesthecontrolprograminparallelwiththeothertwochannels.Specializedhardware/softwarevotingmechanismsqualifyandverifyalldigitalinputsandoutputsfromthefield,whileanaloginputsaresubjecttoamid-valueselectionprocess.Becauseeachchannelisisolatedfromtheothers,nosingle-pointfailureinanychannelcanpasstoanother.Ifahard-warefailureoccursononechannel,theotherchannelsoverrideit.Meanwhile,thefaultingmodulecaneasilyberemovedandreplaced,whilethecontrollerisonline,withoutinter-ruptingtheprocess.Settingupcontrolprogramsissimpli-fiedwiththetriplicatedTriconsystem,becauseitoperatesasasinglecontrolsystemfromtheuser’spointofview.Theuserterminatessensorsandactua-torsatasinglewiringterminalandprogramstheTriconcontrollerwithonesetofcontrolprogramlogic.TheTriconcontrollermanagestherest!Extensivediagnosticsoneachchannel,module,andfunctionalcircuitimmedi-atelydetectandreportoperationalfaultsbymeansofindicatorsoralarms.Alldiagnosticfaultinformationisaccessiblebythecontrolprogramandtheoperator.Theprogramortheoper-atorcanusediagnosticdatatomodifyTheTriconFault-TolerantController2Introductioncontrolactionsordirectmaintenanceprocedures.OtherkeyfeaturesoftheTriconcontrollerthatensurethehighestpossiblesystemintegrityare:•Abilitytooperatewiththree,two,oroneMainProcessorsbeforeshutdown•Fullyimplementedandtrans