S7-400H硬件冗余解决方案.ppt

,AutomationandDrives,IMATICS7-400H,S,TheFault-tolerantAutomationSystem,Benefits,AvoidanceofcontrolsystemfailuresduetoindividualfaultsThisisattainedprimarilythrougharedundantconfigurationFault-toleranceisrequiredinthefollowingcases:WhenprocessingvaluablematerialsWhendowntimesorproductionfailureswouldbeexpensiveWhenacontrolsystemfailurewouldresultinhighrestartcostsInordertoenableoperationwithoutsupervisoryormaintenancepersonnel,Overview,Industries(1),Powergenerationanddistribution(oil,gas,electricity)PowerplantsPipelinesOffshoreDistrictheatingsystemsChemical,electrochemical,petrochemicalandpharmaceuticalindustriesMiningEnvironmentalengineeringWatertreatmentRefuseincinerationPulpandpaperSteelandmetal,Overview,Industries(2),FoodandbeveragesGlassindustrySemiconductorindustry(utilities)TransportTunnelautomationMarineautomationAirportsRunwaylightingBaggagetransport,Overview,Systemarchitecture,Managementlevel,PCnetwork/terminalbus,Processlevel,Fieldlevel,ET200M,Ethernet,RedundantIM153,Redundantpowersupply,HCPUsHotstand-by,ClientsParallelredundancy,ServerParallelredundancyWitharchive-matching,SWredundancyWarmstand-by,Mediaredundancy,Fault-tolerantcommunication,Overview,RedundantPROFIBUS,Systemintegration,HiddenredundancyTransparentprogramming(programmingsameasfornon-redundantsystems)StandardsystemparameterizationStandardhandlingAllSIMATICprogramminglanguagescanbeusedwithoutrestrictionPlatformforFandFHsystems,Overview,Redundancyprinciple(1),m-of-nFault-tolerantandfailsafe,HWorSWvoting,A,B,C,m-v-n,A,Coldstand-by=manualswitchover,R,A,R,1-v-2,1-v-2,2oo2,2oo2,Fault-tolerant,Failsafe,A,B,A,B,1,2-v-2,1-v-2,2oo2,1oo2,Passiveredundancy,Activeredundancy,Majorityredundancy,Redundancywithidenticalcomponents(homogeneousredundancy),RedundancyprincipleS7-400H,Redundancyfeatures,Hotstand-by=automaticswitchover100msWarmstand-by=automaticswitchoverinsecondsrange,Process,Redundancyprinciple(2),IM,DI,AI,AO,DO,IM,FM,Synchronization,informationandstatusexchange,Redundancyfeatures,Bumplessmaster-stand-byswitchover,SwitchovertimeSwitchovertime100msOutputsareretainedduringswitchoverNoinformationoralarm/interruptislostSwitchovercriteriaMasterfailurePowersupplyRackSyncmoduleSynccableCPUFailureofaDPstringorDPslaveinterfacemoduledoesnotforceaswitchover,Redundancyfeatures,Switchover,Automaticeventsynchronization,Synchronizationprocedure,SubcontrollerA,SubcontrollerB,Cyclesynchronization,SubcontrollerA,SubcontrollerB,Timesynchronization,Commandsynchronization,SubcontrollerA,SubcontrollerB,SubcontrollerA,SubcontrollerB,Nosynchronization,Redundancyfeatures,Synchronization,Eventsynchronization,Synchronization,Informationandstatusexchange,Automaticeventsynchronization,Principle,A,I10.0,+,F,L,DW10,L,PW100,:,:,:,S,O8.0,A,I10.0,+,F,L,DW10,L,PW100,:,:,:,S,O8.0,T,PW130,:,Ackn.,Value,Switchover,Synchronization,Synchronization,Redundancyfeatures,Synchronization,Automaticeventsynchronization,Cycle,Self-test,PIO,PIO,Match-up,PII,PIIexchange,Synchronization,Userprogram,Userprogram,Self-test,PII,Redundancyfeatures,Synchronization,Automaticeventsynchronization,CustomerbenefitsTransparentprogrammingAllstandardSIMATIC-S7programminglanguagesNocommandrestrictionsEasyportingoftheuserprogramfromstandardCPUtofault-tolerantCPUBumplessswitchoverNolossofinformationNolossofalarms/interruptsBecauseallredundancy-specificfunctionsarehandledbytheoperatingsystem,theusercanfeelassuredthathe/shehasdoneeverythingrightasfarasredundancyisconcerned,Redundancyfeatures,Synchronization,Comprehensiveself-testfunctions,Self-testScope:CPUMemorySynchronizationlinkOrganization:Startupself-testCompletetestSelf-testincyclicmodeExecutespermanentlyasbackgroundtaskExecutesinitsentiretywithinaspecifiableamountoftime(default:90minutes),Redundancyfeatures,Self-test,Onlineprogramming,OnlinemodificationssameasforstandardsystemAllmodificationsareautomaticallycopiedtobothCPUsConnectingaPGAtMPIinterfaceViabus,MPI/DP,PROFIBUS/Ethernet,Redundancyfeatures,Programming,Onlineprogramming,Programming/parameterassignmentSIMATICManagerH-stationview,Redundancyfeatures,Programming,OnlineProgramming,ProgrammingHardwareconfiguration,Redundancyfeatures,Programming,ConfigurationinRUN(CIR),CPUmemoryconfigurationAddingorremoving:CentralI/OorCPDPslavesPAinterfaceandPAslavesY-linkandslavesModulesinmodularDPslavesCPUparameter,Redundancyfeatures,CIR,AutomaticCPUre-incorporationfollowingrepair,Connectandupdatestand-byCPU(1),Stand-byrequestslink-up,Mastercopiesalldatatostand-by,MASTER,STAND-BY,RUNsolo,STOP,Executestartroutineandself-test,CPU1requestsupdate,Mastercopiesdynamicdata,DisableDelete,CopyandGenerateBlocksfunctions,Terminatecommunicationviaconfiguredlinks.Disablelow-priorityalarms,Userprogram,OS,Redundancyfeatures,Onlinerepair,AutomaticCPUre-incorporationfollowingrepair,Connectandupdatestand-byCPU(2),Dynamicdatawhichhavechangedsincethelastupdate,MASTER,STAND-BY(link-up),Inputs,outputs,timers,counters,memorybits,Redundant,synchronousoperation,Enablealarms/interruptsandcommunication,Disableallalarms/interrupts,Redundancyfeatures,Onlinerepair,ReplacingmodulesinRUNmode,ModuleswhichcanberemovedandinsertedinRunmodeI/OandCPSyncmoduleRedundantIM153-2RedundantpowersuppliesRedundantcomponentswhichcanbereplacedwiththepoweroff:StandardpowersuppliesCentralIMCPUCPUisautomaticallyupdatedfollowingreplacement(programanddata),Redundancyfeatures,Onlinerepair,ConfigurationHighlightsnewCPUs,PerformanceIncreaseAverageIncrease417-4Happr.x2,5-3414-4Happr.x1,2-2,2MoreMemeory417-4Hfrom4MBto20MB414-4Hfrom768KBto1,4MBHigherReliabilityMemorywithautomaticEwrrorDetectionandCorrection(EDC)NewFeatureDistancebetweentheControllerupto10km(before500m),Konfiguration,ConfigurationTechnicalspecificationsfortheCPUs,Configuration,TwoCPUtypesavailableCPU417-4Hwith20MBonboardCPU414-4Hwith1,4MBonboardGeneraltechnicalspecifications,e.g.CPU417-4orCPU414-34integratedinterfacesTwofortheSyncmodulesOneDPinterfaceOneMPI/DPinterface,ConfigurationRedundantlink,Fiber-optics(FO),Fiber-optics(FO),ReplaceableSyncmodules,Configuration,CentralControllerConfiguration,DistancebetweentheControllerupto10mUseoftheSync-ModulesforPatchCablesupto10mMLFBModule:6ES7960-1AA04-0XA0MLFBFO-Cable1m:6ES7960-1AA04-5AA0MLFBFO-Cable2m:6ES7960-1AA04-5BA0MLFBFO-Cable10m:6ES7960-1AA04-5KA0DistancebetweentheControllerupto10kmUseoftheSync-ModulesforCablesupto10kmMLFBModule:6ES7960-1AB04-0XA0MonomodeFO-CableLC/LCDuplexcrossed9/125,Konfiguration,Centralcontrollerconfigurations,Withtwostandardsubracks,Redundantpowersupply(PS)optional,PS,PS,CPU,PS,PS,CPU,PS,PS,CPU,PS,PS,CPU,Max.cablelength10km,WithHsubrack(withsplitbackplanebus),Configuration,I/OconfigurationSwitchedI/O,IM,IM,Specialbusmodule(BM),Activebackplanebus,PROFIBUSDP,ET200Mwithactivebackplanebus,L+,L+,RedundantIM153-2,Configuration,I/OconfigurationSwitchedI/O:modeofoperation,BothDPmastersareactiveandfunctioningproperlyReadinginputs:Theinputsarereadonlyfromthepreferredchannelside(activeIM)Writingoutputs:Thedataareacceptedbybothchannels.Onlythedatainthepreferredchannelareforwardedtotheoutputs.,Configuration,I/OconfigurationConnectingPROFIBUSPAviaPAlink,PROFIBUSDP,2xIM157,DP-PAlink,Configuration,I/OconfigurationY-Link,TheY-linkbuscouplercreatesanetworkportalfromtheredundantDPmastersystemtoaone-channelDPmastersystem,IM153-2withET200M,IM157withPAbus,Y-LinkwithDPbus,Configuration,Rack0,Rack1,I/OconfigurationY-Linkhardwareconfiguration,IM157:6ES7157-0AA82-0XA0Y-Link:6ES7197-1LB00-0XA0BusmoduleBMIM1576ES7195-7HD80-0XA0BusmoduleBMY-Link6ES7654-7HY00-0XA0CollectiveOrderNo.6ES7197-1LA02-0XA0,Configuration,Y-Link,IM157,I/OconfigurationY-Linkconfiguration,Configuration,RedundantcommunicationPrinciple,Redundantcommunicationisattainedthroughredundantconnections,whicharethenusedwhenaproblemoccurs.RedundantconnectionscanbecreatedfromHstationstoOtherHstations(one-ortwo-channel)HMIPCs(softwareRedconnectrequired),Activeconnection,Stand-byconnection,Communication,RedundantcommunicationConfigurationwithredundantbus(1),Ethernet,H-CPUinsinglemode,PS,PS,Bus,Bus,CP,CP,CP,CP,PS,PS,CPU,CPU,CPU,CPU,Equivalentcircuitdiagram:,Communication,RedundantcommunicationConfigurationwithredundantbus(2),H-CPUinsinglemode,PS,PS,CPU,CPU,Bus,Bus,CP,CP,CPU,CPU,PS,PS,CP,CP,CP,CP,CP,CP,Communication,Ethernet,Equivalentcircuitdiagram:,RedundantcommunicationConfigurationwithsinglebus,H-CPUinsinglemode,PS,PS,CPU,CPU,Bus,CP,CP,CP,CP,CPU,CPU,PS,PS,Communication,Ethernet,Equivalentcircuitdiagram:,RedundantcommunicationConfigurationwithringbus,Ringbus,S7-400H,S7-400H,PS,PS,CPU,CPU,CP,CP,CP,CP,CPU,CPU,PS,PS,Bus,Bus,H-CPUinsinglemode,Communication,Equivalentcircuitdiagram:,RedundantI/O,RedundantI/O,New:RedundantIO,Sensor/controlelement,PROFIBUSDP,RedundantCommunication,RedundantController,RedundantIM,RedundantProfibus,RedundantI/OPossibleredundancystructures(1),CentralI/Omodules,DistributedI/Omodules,RedundantI/O,RedundantI/OPossibleredundancystructures(2),DistributedswitchedI/Omodules,H-CPUinsinglemode,RedundantI/O,RedundantI/ORedundantqualitystages,HighestqualitylevelUseofF-IObyexploitingthehigh-qualitydiagnosticfunctionsrequiredforfailsafeoperationE.g.whenitisnecessarytocontrolduration-1faultsassociatedwithoutputsignalsMediumqualitylevelUseofmoduleswithdiagnosticfunctionsLow-costqualitylevelUseofmoduleswithoutdiagnosticfunctions,RedundantI/O,RedundantI/OHardwareconfiguration,SlotDPaddressRedundantDITimediscrepancyinmsResponsetimefollowingdiscrepancyPossibleoptions:ANDgateORgateUselastvalidvalue,RedundantI/O,RedundancytabAppearsonlyforredundancy-capablemodules.Typeofredundancy(noneor2)Station2,PROFIBUSaddress3,slot4containsacompatiblemodule.ThismoduleisselectedasredundantDI,RedundantI/OHardwareconfiguration,RedundantI/O,RedundantI/OWiringdigitalinputs,Withtwosensors,Withonesensor,Sincethefunctionisnotsuitableforallmoduletypes,themanualorInternetshouldbeconsultedtofindoutwhichmodulescancurrentlybeused.,RedundantI/O,RedundantProfibus,BothInputsarereadinparallel.Thecorrectvalueisselectedandprocessedautomatically,DI,DI,MasterI/O,RedundantI/O,RedundantI/OWiringanaloginputs,Withvoltagesensor,Withcurrentsensor,With2sensors,4-wiretransducersonly,I,R,AI-I,AI-I,I,Withcurrentsensor,Sincethefunctionisnotsuitableforeverymoduletype,themanualorInternetshouldbeconsultedtofindoutwhichmodulescancurrentlybeused.,RedundantI/O,TheCPUreadsbothinputs.Thecorrectvalueisselectedandprocessedautomatically,AI,AI,MasterI/O,RedundantI/O,RedundantProfib