PXI总线技术OverviewPXI/CompactPCIArchitectureMechanicalElectricalSoftware3rdPartySupportPICMGPXISystemsAllianceConfiguringaPXISystemProductsandtechnologyApplicationsPricePerformanceDesktopPCVXIModularInstrumentationforMainstreamUsersControlPanelFlowPressureAlarmConditionsSTOPTemperatureFillingtheGapCompactPCIputsPCtechnologyinasmall,ruggedpackagebycombiningthreestandards:PCIbusEurocardpackagingBetterIECConnectorsCompactPCIPXIStartswithCompactPCI•WideIndustrySupport•PlugandPlaycapability•Thousandsofsoftwareproducts•32-bitdatatransfersat33MHz(132Mbytes/sec)•PCIisadefactostandardWhyusethePCIbus?HigherPinCountRuggedandReliableIntegratedShieldImpedanceMatchedMostImportantly:MORESLOTS!J1J2WhyuseDifferentConnectors?WhyuseEurocardPackaging?•Provenoverdecadesofuseinindustrialapplications(VME,VXI,etc.)•DefinedbyIEEE1101Standard•Readilyavailablemechanicalcomponents•Excellentthermalproperties•Modular,rugged,andcompactPCMotherboard=Controller+Backplane123456781234PCMotherboardwith4PCIslotsCompactPCIEmbeddedControllerCompactPCI8-slotBackplanePeripheralSizesinPCIandCompactPCIPCIPXI/CompactPCIHalfSize3UFullSize6UPCIboardscanberedesignedtofitinPXI/CompactPCIwithlittleornoelectricalchanges.PXICombinesStandardTechnologiesbusCompactPCIPCISoftwareElectricalMechanicalThePXIsystemspecificationextendsCompactPCIforInstrumentation.SSpecificationRevision1.0August20,1997TheOpenPXISystemSpecificationMechanicalExtensionsPXIimprovesreliabilityandinteroperabilitywith:•MandatoryActiveCooling•TemperatureTestingandRatings•System-levelenvironmentalspecificationsforEMC,shock,vibration,andhumidity•DefinedembeddedcontrollerlocationPXI/CompactPCIFormFactorsAll3Ucardsworkin6Usystems64-bitPCIandPXIFeatures3UPXI/CPCIJ1J232-bitPCI6UPXI/CPCIJ5J4J3J2J164-bitPCIandPXIFeatures32-bitPCIPXIReservedPXIReservedPXIReserved6UAdapterPanelSoftwareExtensionsPXIspeedsapplicationdevelopmentbecause:PXIControllersMUSTsupportastandardsoftwareframeworkbyincludingapre-loadedOS:WindowsNTWindows9xPeripheralsmodulesMUSTbesuppliedwithaWIN32DeviceDriverPXIandPCSoftwareisIdenticalOperatingsystemsandapplicationsoftwarerununchangedonPXIsystemsConfigurationtoolsrecognizePXImodulesasPCIdevicesTriggerBusSystemControllerStarTriggerControllerPeripheralPeripheralPeripheral10MHzCLK132Mb/s,33MHz,32-bitComputerBusStarTriggerLocalBusElectricalExtensionsPXItimingandtriggeringimprovesperformance:LocalBusTriggersClockStarBusVXI12lines8TTL,2ECL10MHzECLD-sizeonlyPXI13lines8TTL10MHzTTL1perslotPXILeveragesVXIFeaturesTimingandTriggeringExtensionsinPXIandVXIPXI-6070ENI5102PXI-6533StartScanRTSIOscillatorMultifunctionI/OOscilloscopeDigitalI/OTriggerBusSynchronizesModulesElectricalMechanicalSoftwareInstrumentationExtensionsCompactPCIPCIbusEuroCardHighPerformanceConnectorsComponentsSystemsPXIArchitectureSummaryPXIBuildsonCompactPCItodefinecompleteMeasurementandAutomationSystemsPCIIndustrialComputerManufacturersGroupGovernsthecoreCompactPCIspecificationFocusisontelecommunicationsinfrastructureOnlineproductdirectorycontains100sofproductsOver500companymembersTheCompactPCISpecificationBodyCharterofthisgroupisto:-PromotePXI-EnsureInteroperability-ControlthePXISpecificationFocusisonend-usersuccessinmeasurementandautomationOver50companymembersSystemsAllianceThePXISpecificationBodyConfiguringYourPXISystem1.ChooseyourOSandapplicationdevelopmentsoftware2.SelectyourPXIchassis3.Selectaremoteorembeddedcontroller4.SelectyourPXImodules5.SelectyouraccessoriesStep1.ChooseYourSoftwareSelectastandardoperatingsystemWindowsNTWindows9xSelectastandardapplicationprogramminginterfaceGraphicalProgramming:LabVIEWText-basedProgramming:MeasurementStudioReal-timeprogramdevelopment:LabVIEWRTStep2.SelectyourchassisChooseenoughslotstoallowroomtogrow4or8slotchassisUseMXI-3formultichassisconfigurationsConsiderapplicationrequirementsPortableorEmbeddedBenchtoporRackmountIntegratedSignalConditioning(SCXI)CombinationchassiswithPXI+SCXIFlexibleInstallationOptionsForapplicationsin:•TestandMeasurement•DataAcquisition•IndustrialAutomationStep3.SelectYourControlSchemeEmbeddedcontrollersMostcompactsolutionModular=easymaintenancePentiumandPentiumIIIClassRemoteMXI-3controllersShortorlongdistanceFullytransparentLowcostMultisystemExtensionInterfaceMXI-3ArchitectureMXI-3SerialI/FMXI-3HighSpeedSerialLink1.5GHzPrimarySecondaryPCI-to-PCIBridgeStillSoftwareTransparent!SerialI/FPCICompactPCIPCI1PCI0MXI-3ConfigurationsPCItoPXI/CompactPCIPXI/CompactPCItoPXI/CompactPCICabling:-Copper(upto10m)-FiberOptic(upto200m)ControlPanelFlowPressureAlarmConditionsSTOPTemperatureMXI-3DemonstrationDeviceManager&MAXseePXII/Omodulesw/oextrasoftwareConfigurationtoolsworkasifmodulesarepluggedintothePCWitha640x480Window,MXI-3transfersimagedataatthemaximumcameraspeedof30fpsThe1.5Gbit/sMXI-3linkcansustaindatatransfersatover80Mbytes/s-PXIChassis-PXIMXI-3Interface-PXIIMAQModule-VideoCamera-OtherI/OModules-StandardPC-PCIMXI-3ModuleControlPanelFlowPressureAlarmConditionsSTOPTemperatureMXI-3Benefits•MoreslotsforPCsandPXI/CompactPCI•Veryhighperformanceseriallink•Easytointegrate—softwaret