求大神翻译，谢谢了

Analogoutputscanbeupdatedatupto200kS/sperchannel,makingthemusefulforwaveform
generation.AnalogoutputsareusedintheNIELVISmxFunctionGenerator,Arbitrary
WaveformGenerator,andBodeAnalyzerinstruments.
DigitalInput/Output(DIO)
ThereareeightDIOlinesonNImyDAQ.EachlineisaProgrammableFunctionInterface(PFI),
meaningthatitcanbeconfiguredasageneral-purposesoftware-timeddigitalinputoroutput,or
itcanactasaspecialfunctioninputoroutputforadigitalcounter.RefertoDigitalI/O(DIO)
andCounters/TimerssectionformoreinformationaboutthecounteronNImyDAQ.
NoteThedigitalI/Olinesare3.3VLVTTLandaretolerantto5Vinputs.The
digitaloutputisnotcompatiblewith5VCMOSlogiclevels.
PowerSupplies
TherearethreepowersuppliesavailableforuseonNImyDAQ.+15Vand–15Vcanbeused
topoweranalogcomponentssuchasoperationalamplifiersandlinearregulators.+5Vcanbe
usedtopowerdigitalcomponentssuchaslogicdevices.
Thetotalpoweravailableforthepowersupplies,analogoutputs,anddigitaloutputsislimited
to500mW(typical)/100mW(minimum).Tocalculatethetotalpowerconsumptionofthe
powersupplies,multiplytheoutputvoltagebytheloadcurrentforeachvoltagerailandsum
themtogether.Fordigitaloutputpowerconsumption,multiply3.3Vbytheloadcurrent.For
analogoutputpowerconsumption,multiply15Vbytheloadcurrent.Usingaudiooutput
subtracts100mWfromthetotalpowerbudget.
Forexample,ifyouuse50mAon+5V,2mAon+15V,1mAon–15V,usefourDIOlinesto
driveLEDsat3mAeach,andhavea1mAloadoneachAOchannel,thetotaloutputpower
consumptionis:
5V?50mA=250mW
|+15V|?2mA=30mW
|–15V|?1mA=15mW
3.3V?3mA?4=39.6mW
15V?1mA?2=30mW
Totaloutputpowerconsumption=250mW+30mW+15mW+39.6mW+
30mW=364.6mW
DigitalMultimeter(DMM)
TheNImyDAQDMMprovidesthefunctionsformeasuringvoltage(DCandAC),current(DC
andAC),resistance,anddiodevoltagedrop.
DMMmeasurementsaresoftware-timed,soupdateratesareaffectedbytheloadonthe
computerandUSBactivity.

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