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Discover the Power of PXI. Andrew Lyubenko FSE in Siberia. Instrumentation Timeline. Compact PCI. VXI. PXI. GPIB. 1965. 1987. 1995. 1997. What is PXI?. PXI = P CI e X tensions for I nstrumentation - PowerPoint PPT Presentation

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  • National Instruments ConfidentialDiscover the Power of PXIAndrew LyubenkoFSE in Siberia

    National Instruments Confidential*

    1965198719951997VXIGPIBCompact PCIPXIInstrumentation Timeline

    National Instruments Confidential*

    What is PXI?PXI = PCI eXtensions for InstrumentationOpen specification governed by the PXI Systems Alliance (PXISA) and introduced in 1997PC-based platform optimized for test, measurement, and controlPCI electrical-bus with the rugged, modular, Eurocard mechanical packaging of CompactPCIAdvanced timing and synchronization features

    National Instruments Confidential*

    PXI Systems Alliance (PXISA)Founded in 1998PXISA Goals:Maintain the PXI specificationEnsure interoperabilityPromote the PXI standardCurrently 68+ Members Comprise PXISAPXISA Website (www.pxisa.org)SpecificationsTutorials, Application Notes, and White PapersLocate member companies and products

    National Instruments Confidential*

    Partial PXISA Member List

    National Instruments Confidential*

    PXI SpecificationMechanical High-performance connectors Eurocard mechanical packaging Forced-air cooling by chassis Environmental testing Electromagnetic testingElectrical Industry-standard PC buses System reference clocks Star trigger buses PXI trigger busSoftware Microsoft Windows software frameworks Software components that define HW configuration and capabilities Virtual Instrument Software Architecture (VISA) implementation

    National Instruments Confidential*

    PXI BackplanePCI/PCI Express busSynchronizationPeripheral SlotsChassisPXI Controller Embedded PC, remote PC or remote laptop interface Runs all standard softwarePXI System Overview

    National Instruments Confidential*

    Embedded PXI System Controllers

    Windows-Based Embedded Controllers High-performance Integrated peripherals Entire system in one chassis

    Real-Time Embedded Controllers Determinism and reliability with LabVIEW Real-Time Select high-performance or low-cost/low-power Headless operation

    National Instruments Confidential*

    Remote PXI System Controllers

    PC Control of PXI Use latest high-performance PCs PCI Express with MXI-Express PCI with MXI-4 High-speed, software transparent links Up to 110 MB/s sustained throughput Build multi-chassis PXI systems Copper and fiber-optic cabling options

    Laptop Control of PXI Use latest high-performance laptop computers ExpressCard with ExpressCard MXI PCMCIA CardBus High-speed, software transparent links Up to 110 MB/s sustained throughput PXI controllers for portable applications Use with DC-powered chassis for mobile systems

    National Instruments Confidential*

    PXI ChassisChassis Offering4, 6, 8, 14, and 18-slotPortable, benchtop, and rack-mountAC and DC optionsPXI/SCXI combination chassis with integrated signal conditioning

    National Instruments Confidential*

    Data Acquisition and ControlMultifunction I/OAnalog Input/OutputDigital I/OCounter/TimerFPGA/Reconfigurable I/OMachine VisionMotion ControlSignal ConditioningTemperatureStrain/Pressure/Force/LoadSynchro/ResolverLVDT/RVDTMany More. . .Modular InstrumentationDigital Waveform GeneratorDigital Waveform AnalyzerDigital MultimeterLCR MeterOscilloscope/DigitizerSource/Signal GeneratorSwitchingRF Signal GeneratorRF Signal AnalyzerRF Power MeterFrequency CounterProgrammable Power SupplyMany More. . .Bus InterfacesEthernet, USB, FireWireSATA, ATA/IDE, SCSIGPIBCAN, DeviceNetSerial RS-232, RS-485VXI/VMEBoundary Scan/JTAGMIL-STD-1553, ARINCPCMCIA/CardBusPMCProfibusLINMany More. . .OthersIRIG-B, GPSDirect-to-DiskReflective MemoryDSPOpticalResistance SimulatorFault InsertionPrototyping/BreadboardGraphicsAudioMany More. . .Wide Range of PXI Modules

    National Instruments Confidential*

    Whats New in PXI? PXI ExpressIncreases throughput with 2.0 GB/s per slot dedicated bandwidthIndustrys best synchronization and latency specificationEnsures compatibility with your existing software and all 1000+ PXI modules

    National Instruments Confidential*

    Expanding Our PXI PortfolioGood (PXI)Low CostPCI basedGeneral purpose data acquisition, bus interfaces, motion controlMXI-Express PXI-8184, PXI-8145, PXI-1036Better (PXI) High Performance & PowerPCI basedGeneral purpose automated test, high channel count data acquisitionFiber-Optic MXI, PXI-8196, PXI-8196 RT, PXI-1045Best (PXI Express)High Performance, Power, & BandwidthPCI Express basedHigh frequency or resolution IF/RF, high speed digital interfaces, high speed imagingPXIe MXI-Express, PXIe-8103, PXIe-1062

    National Instruments Confidential*

    Industry Bus PerformanceDecreasing (Improving) LatencyIncreasing (Improving) Bandwidth

    National Instruments Confidential*

    Dedicated Bandwidth per Device

    National Instruments Confidential*

    Whats New in PXI? PXI ExpressIncreases throughput with 2.0 GB/s per slot dedicated bandwidthIndustrys best synchronization and latency specificationEnsures compatibility with your existing software and all 1000+ PXI modules

    National Instruments Confidential*

    Increased BW Enables New ApplicationsPXI applications requiring PCI bandwidthGeneral purpose automated test (DMMs, switching, baseband instruments, etc)General purpose data acquisition (AI, AO, DIO, etc)Bus interfaces (CAN, 1553, ARINC, etc)Motion controlPXI applications requiring PCI Express bandwidthHigh frequency, resolution IF / RF systemsHigh speed digital interfacesHigh channel count data acquisitionHigh speed imaging

    National Instruments Confidential*

    PXI Trigger Bus (8 TTL Triggers)PXI Express SystemControllerStar TriggerPXIPXI Express10 MHzCLKPXI Express SystemTiming SlotPXI Peripheral

    National Instruments Confidential*

    PXI Trigger Bus (8 TTL Triggers)PXI Express SystemControllerStar TriggerPXIPXI Express10 MHzCLKPXI Express SystemTiming SlotPXIPeripheral

    National Instruments Confidential*

    Benefits of PXI Express Timing and Synch. FeaturesHigher performance100 MHz differential system reference clockLVPECL lower jitter clock distributionClock 10 < 1 ns skewClock 100 < 200 ps skewTighter synchronization specificationsMultichassis synchronization with PXIe_SYNC100Differential star triggersAvailable to all slotsLVPECL low jitter clock, LVDS clocks/triggers for compatibility

    National Instruments Confidential*

    PXI and Hybrid Slots Ensure Compatibility

    National Instruments Confidential*

    Key PXI FeaturesEases system integrationCurrent product offering >1000 PXI modulesIntegrate with existing GPIB, Serial, VXI systemsFuture expandabilityModularity Buy only what you needPC-feelAdvanced Timing and SynchronizationUses Standard TechnologyUser Defined Systems

  • Real Time Architectures on PXINon-DeterministicDeterministic

    National Instruments Confidential*

    HW-Timed I/OSoftware Task 1ClockI/O ElementControllerData BusNon-DeterministicDeterministicDACFIFONon-RT OSWindows, Linux, etc.

    National Instruments Confidential*

    Clocked I/OSoftware Task 1ControllerNon-DeterministicDeterministicI/O ElementDACNon-RT OSWindows, Linux, etc.PXI Timing BackplaneDACADCPXI System

    National Instruments Confidential*

    PXI SystemRTOSSoftware Task 1ControllerNon-DeterministicDeterministicI/O ElementRTOSLVRT, RT LinuxPXI Timing BackplaneDACADC

    National Instruments Confidential*

    Software Task 1Non-RT OSWindows, Linux, etc.On-Board ProcessingControllerNon-DeterministicDeterministicI/O ElementDACPXI Timing BackplaneADCFPGA

    Task2ADCSmart I/O Element RIOPXI System

    National Instruments Confidential*

    PXI Products Serves Many ApplicationsBenchtopRack-MountPortable / EmbeddedManufacturing TestDesign ValidationData Acquisition SystemsHardware-in-the-LoopManufacturing TestData Acquisition SystemsMachine Monitoring and ControlIn-Vehicle SystemsDesign ValidationRapid Control Prototyping

    National Instruments Confidential*

    Additional Information:www.pxisa.orgwww.ni.com/pxi

    *To understand the history of instrumentation architectures let us examine a timeline depicting the introduction of several popular instrument architectures. In 1965, the General Purpose Interface Bus (or GPIB) was developed to interface with popular bench-top instruments. In 1987, VXI (which stands for VME eXtensions for Instrumentation) was introduced, ushering in the era of modular-based instruments. In the early 90s, PC plug-in instruments were developed to take advantage of the popular PCI bus found on standard desktop PCs. Then, in 1995, CompactPCI built on PC technology by introducing a rugged, modular architecture, thus paving the way for the introduction of PXI in 1997. *Introduction The PCI eXtensions for Instrumentation (PXI) specification defines a rugged PC-based platform for measurement and automation systems. PXI uses the high-speed Peripheral Component Interconnect (PCI) bus, which is the de facto standard driving todays desktop computer software and hardware designs. PXI combines the PCI electrical bus with the rugged modular Eurocard mechanical packaging of CompactPCI. PXI then adds mechanical, electrical, and software features that define complete systems for test and measurement, data acquisition, and manufacturing applications. National Instruments developed and announced the PXI specification in 1997 as an open industry specification. Today, the PXI specification is managed by the PXI Systems Alliance -- a group of more than 68 company members. Because PXI is an open specification, any vendor can build PXI products. CompactPCI, and PXI modules can reside in the same system without any conflict because interoperability between CompactPCI and PXI is a key feature of the PXI specification. To download a free copy of the full PXI specification, see pxisa.org. **Some members include LeCroy, Teradyne, Pickering, Geotest, and National Instruments.

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