NI PXIe-8830mc用户使用手册.pdf
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1、USER MANUALNl PXImc DevicesNl PXIe-8830mc PXImc Processor ModuleThis document provides reference information fbr PXI Express and the Nl PXIe-8830mc PXImc processor module.ContentsElectromagnetic Compatibility Guidelines.1Related Documentation.2PXI Express Features.2Benefits of PXI Express.2Nl PXIe-8
2、830mc Overview.3Functional Overview.3Functional Description.4National Instruments Software.5Configuration.7System CMOS.7Upgrading System Memory.8Specifications.9Physical.10Power Requirements.11Environment.11Cleaning.12Safety.12Appendix A:Front Panel Connector Pinouts.13Ethernet.13Universal Serial Bu
3、s.15Worldwide Support and Services.16Electromagnetic CompatibiHty GuidelinesThis product was tested and complies with the regulatory requirements and limits fbr electromagnetic compatibility(EMC)stated in the product specifications.These requirements and limits provide reasonable protection against
4、harmful interference when the product is operated in the intended operational electromagnetic environment.This product is intended fbr use in industrial locations.However,harmful interference may occur in some installations,when the product is connected to a peripheral device or test object,or if th
5、e product is used in residential or commercial areas.To minimize interference with4rNATI0NALINSTRUMENTSradio and television reception and prevent unacceptable performance degradation,install and use this product in strict accordance with the instructions in the product documentation.Furthermore,any
6、modifications to the product not expressly approved by National Instruments could void your authority to operate it under your local regulatory rules./X Caution To ensure the specified EMC performance,operate this product only with/shielded cables and accessories.Caution To ensure the specified EMC
7、performance,USB cables must be no longer/than 30 m(100 ft).Ethernet cable can be longer than 30 m(100 ft).Related DocumentationThe following documents contain information that you might find helpful as you read this manual:Your chassis documentation Nl-PXImc Help file included with Nl-PXImc driver P
8、XI Express Hardware Specification.Revision 2.0 PXI-6 PXI Express Software Specification PIC MG CompactPCI Express EXP.0 R1.0 Specification PCI Express Base Specification,Revision 2.1,PCI Special Interest Group PXI MultiComputing Hardware Specification,Revision 1.0 PXI Multi Computing Software Specif
9、ication.Revision 1.0PXI Express FeaturesBenefits of PXI ExpressThe PXI(PCI extensions fbr Instrumentation)industry standard,an open specification governed by the PXI Systems Alliance(PXISA),has quickly gained adoption and grown in prevalence in test,measurement,and control systems since its release
10、in 1998.One of the key elements driving the rapid adoption of PXI is its use of PCI in the communication backplane.As the commercial PC industry has improved the available bus bandwidth by evolving PCI to PCI Express,PXI is now able to meet even more application needs by integrating PCI Express into
11、 the PXI standard.By taking advantage of PCI Express technology in the backplane,PXI Express increases the available PXI bandwidth from up to 132 MB/s to up to 8 GB/s for a more than 60 x improvement in bandwidth.PXI Express maximizes both hardware and software compatibility with PXI modules.PXI Exp
12、ress hybrid slots deliver both PCI and PCI Express signaling to accept devices that use PXI communication and triggering or the newer PXI Express standard.Software compatibility is maintained because PCI Express uses the same OS and driver model as PCI,resulting in complete software compatibility am
13、ong PCI-based systems,fbr example PXI,and PCI Express-based systems such as PXI Express.2|Nl PXImc Devices User ManualPXI Express,like PXI,leverages from the CompactPCI specification to define a rugged,modular form factor that offers superior mechanical integrity and easy installation and removal of
14、 hardware components.PXI Express products offer higher and more carefully defined levels of environmental performance required by the shock,vibration,temperature,and humidity extremes of industrial environments.Mandatory environmental testing and active cooling is added to the CompactPCI mechanical
15、specification to ease system integration and ensure multivendor interoperability.The demanding timing and synchronization requirements of instrumentation systems are met by the integrated features of PXI Express.Not only are the trigger bus,10 MHz system reference clock,and star trigger bus availabl
16、e in PXI retained by PXI Express,but new timing and synchronization features that include a 100 MHz differential system reference clock for the synchronization of multiple modules and three differential star trigger buses for the distribution of precise clock and trigger signals have been added.Diff
17、erential timing and synchronization signals provide PXI Express systems with increased noise immunity and the ability to transmit clock signals at higher frequencies.Nl PXIe-8830mc OverviewFunctional OverviewThe NI PXIe-8830mc is a PXImc device1 module that allows the attachment of subsystems such a
18、s standalone instruments,PCs,or other PXI Express systems to an existing PXI Express system via a high-bandwidth,low-latency PXI Express backplane Gen2 x8 link.The NI PXIe-8830mc contains a PXImc logic block that makes it possible to join systems together nontransparently.1 Refer to the PXI-7 PXI Mu
19、lti Computing Hardware Specification Revision 1.0,available on the pxisa.org website,fbr relevant terminology and concepts used in this guide.The following figure illustrates where the PXImc logic block is applied to join the root complexes of two systems.NI PXImc Devices User Manual|National Instru
20、ments|3Figure2-PXImc System DiagramIn this example,the system on the right is designated as a PXImc device because it contains the PXImc logic block(that is,the NI PXIe-8830mc).The system on the left is designated the primary system host,which serves as the central connection hub for all other PXImc
21、 devices.Refer to the Nl-PXImc Help and readme.html files included with the Nl-PXImc driver for feature updates.Functional DescriptionThe NI PXIe-8830mc is a modular PC in a PXI Express 3U-size form factor.The following figure is a functional block diagram of the NI PXIe-8830mc.Following the diagram
22、 is a description of each logic block shown.4|NI PXImc Devices User ManualFigure 2.Nl PXIe-8830mc Block DiagramThe NI PXIe-8830mc consists of the following logic blocks on one circuit card assembly(CCA):The processor is an Intel Core i7 4700EQ processor(6 MB Cache,2.3 GHz).The processor connects to
23、the SO-DIMM block through the DDR3L interface supporting up to 1600 MHz SO-DIMMs,the PCH through a x4 DMI2(Direct Media Interface)interface supporting up to 5 GT/s per lane.The SO-DIMM block consists of one 64-bit DDR3L SDRAM socket that can hold up to 8 GB of memory.The Platform Controller Huh(PCH)
24、provides the USB,PCI Express xl,and LPCinterfaces that connect to the peripherals on the NI PXIe-8830mc.The USB block consists of two Hi-Speed USB 2.0 connectors.The Ethernet Port block consists of an Intel 1217-LM Gigabit Ethernet Connection.The Watchdog block consists of a watchdog timer that can
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