NI-USB-621X-数据手册

Bus-PoweredMSeriesMultifunctionDAQforUSB—16-Bit,upto400kS/s,upto32AnalogInputs,IsolationOverviewandApplicationsWithrecentbandwidthimprovementsandnewinnovationsfromNationalInstruments,USBhasevolvedintoacorebusofchoiceformeasurementandautomationapplications.NIMSeriesdevicesforUSBdeliverhigh-performancedataacquisitioninaneasy-to-useandportableformfactorthroughUSBportsonlaptopcomputersandotherportablecomputingplatforms.NIdesignedanewandinnovativepatent-pendingNIsignalstreamingtechnologythatenablessustainedbidirectionalhigh-speeddatastreamsonUSB.Thenewtechnology,combinedwithadvancedexternalsynchronizationandisolation,helpsengineersandscientistsachievehigh-performanceapplicationsonUSB.NIMSeriesbus-poweredmultifunctiondataacquisition(DAQ)devicesforUSBareoptimizedforsuperioraccuracyinasmallformfactor.TheyprovideanonboardNI-PGIA2amplifierdesignedforfastsettlingtimesathighscanningrates,ensuring16-bitaccuracyevenwhenmeasuringallavailablechannelsatmaximumspeed.Allbus-powereddeviceshaveaminimumof16analoginputs,digitaltriggering,andtwocounter/timers.USBMSeriesdevicesareidealfortest,control,anddesignapplicationsincluding:•Portabledatalogging–logenvironmentalorvoltagedataquicklyandeasily•Field-monitoringapplications•EmbeddedOEMapplications•In-vehicledataacquisition•Academiclabuse–academicdiscountsavailableNISignalStreamingTooptimizetheuseoftheUniversalSerialBus(USB)anddeliverhigh-performancedataacquisition,NationalInstrumentscreatedseveralkeytechnologiestopushthelimitsofUSBthroughputandlatency.NIsignalstreamingcombinesthreeinnovativehardware-andsoftware-leveldesignelementstoenablesustainedhigh-speedandbidirectionaldatastreamsoverUSB.Formoreinformation,visitni.com/usb.•Upto32analoginputsat16bits,upto400kS/s(250kS/sscanning)•Upto2analogoutputsat16bits•Upto32TTL/CMOSdigitalI/Olines•Two32-bit,80MHzcounter/timers•Digitaltriggering•NI-PGIA2andNI-MCalcalibrationtechnologyforimprovedmeasurementaccuracy•NIsignalstreamingfor4high-speeddatastreamsonUSB•Bus-powered•AvailablewithCATIisolation•1-yearwarranty•AdditionalwarrantyandcalibrationservicesavailableOperatingSystems•WindowsVista(32-and64-bit)/XP/2000•MacOSX1•Linux®1RecommendedSoftware•LabVIEW•LabVIEWSignalExpress•LabWindows™/CVI•MeasurementStudioOtherCompatibleSoftware•C#,VisualBasic.NET•ANSIC/C++MeasurementServicesSoftware(included)•NI-DAQmxorNI-DAQmxBasedriversoftware•Measurement&AutomationExplorerconfigurationutility2•LabVIEWSignalExpressLE2NIUSB-6210,NIUSB-6211,NIUSB-6212,NIUSB-6215,NIUSB-6216,NIUSB-6218FamilyBusConnectorAnalogInputsResolution(bits)MaxRate(S/s)AnalogOutputsAnalogInputResolution(bits)MaxRate(S/s)Range(V)DigitalI/O32-BitCounterIsolationUSB-6210USBScrew1616250kS/s016250k±104DI/4DO2–USB-6211USBScrew1616250kS/s216250k±104DI/4DO2–USB-6212USBScrew/68-pinSCSI1616400kS/s216250k±1032DIO12–USB-6215USBScrew1616250kS/s216250k±104DI/4DO260VCATIUSB-6216USBScrew/68-pinSCSI1616400kS/s216250k±1032DIO1260VCATIUSB-6218USBScrew3216250kS/s216250k±108DI/8DO260VCATI124digitalI/Ofor68-pinSCSImassterminalversions.Table1.NIUSB-621xSelectionGuide1MacOSXandLinuxkitsarenotavailableforUSB-6212andUSB-62162WindowskitsonlyMSeriesforTestUSBMSeriesmultifunctionDAQdevicescomplementexistingtestsystemsthatneedadditionalmeasurementchannels.Forhigher-channel-countsignalconditioningonUSB,considertheNICompactDAQorSCXIplatforms.USBMSeriesforDesignFordesignapplications,youcanuseawiderangeofI/O–from16differentialanaloginputsto32digitallines–tomeasureandverifyprototypedesigns.USBMSeriesdevicesandNILabVIEWSignalExpressinteractivemeasurementsoftwaredeliverbenchtopmeasurementstothePC.WithLabVIEWSignalExpress,youcanquicklycreatedesignverificationtests.YoucanconvertyourtestedandverifiedLabVIEWSignalExpressprojectstoLabVIEWapplicationsforimmediateMSeriesDAQuse,andbridgethegapbetweentest,control,anddesignapplications.USBMSeriesforOEMsShortenyourtimetomarketbyintegratingworld-classNationalInstrumentsOEMmeasurementproductsinyourdesign.Board-onlyversionsofUSBMSeriesDAQdevicesareavailableforOEMapplications,withcompetitivequantitypricingandavailablesoftwarecustomization.TheNIOEMEliteProgramoffersfree30-daytrialkitsforqualifiedcustomers.Visitni.com/oemformoreinformation.RecommendedTrainingandServicesAllMSeriesdevicesareavailablewithadditionalwarrantyandcalibrationservices.Fornewdataacquisitionprogrammers,NIrecommendsthe“DataAcquisition:7StepstoSuccess”tutorialkit.ThistutorialkithelpsshortendevelopmenttimefordataacquisitionapplicationsbydescribingthevariousstagesofgettingstartedwithDAQincludingsystemdefinition,setup,test,andapplicationprogramming.RecommendedSoftwareNationalInstrumentsmeasurementservicessoftware,builtaroundNI-DAQmxdriversoftware,includesintuitiveapplicationprogramminginterfaces,configurationtools,I/Oassistants,andothertoolsdesignedtoreducesystemsetup,configuration,anddevelopmenttime.NationalInstrumentsrecommendsusingthelatestversionofNI-DAQmxdriversoftwareforapplicationdevelopmentinNILabVIEW,LabVIEWSignalExpress,LabWindows/CVI,andMeasurementStudiosoftware.ToobtainthelatestversionofNI-DAQmx,visitni.com/s