XITRON XT2640 - Cycle View Specifications; Scope Specifications; Historical Data Collection Specifications; Data Logging Specifications

XT2640OperatingManual 13July2016 Page182of187
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30.4 CYCLEVIEWSPECIFICATIONS
SignalRange AsspecificationsforVoltageandCurrent
CyclePeriod From2.3us(Wtypechannels),8.7us(otherwise)upto100seconds
TimeResolution 1/512
th
ofacycle
Method Meancycleformedbyasynchronouslysamplingallcycleswithinmeasurementperiod
MaximumError AsVoltageandCurrentSpecificationsforPKdata(Watts=multiplicationofVandAwaveforms)
30.5 SCOPESPECIFICATIONS
SignalRange AsspecificationsforVoltageandCurrent
Timebase 1/2/5settingsfrom5us/divto20s/div
CaptureDepth Upto32kpointspersignal
CaptureResolution <0.00005%ofspecifiedmaximummeasurablepeakVoltageorCurrent
SamplingPeriod(nominal) Greaterof‐
1.1µs(Wtypechannels)or4.1µs(otherwise)
0.03%oftimebasesetting
MaximumError AsVoltageandCurrentSpecificationsforPKdata(Watts=multiplicationofVandAwaveforms)
30.6 HISTORICALDATACOLLECTIONSPECIFICATIONS
CollectionTime Automaticallycontinuouslyvariablebetween1measurementperiodand584.5millionyears(collection
isautomaticallystoppedafterthistimehaselapsedbutthisisuntestedatthetimeofwriting)
TimeResolution Note:thisistheresolutionbywhichyoucandeterminewhenaneventoccurred,notthatoftheXT2640
detectingevents.Alleventsarecaptured.
Thegreaterof‐
a)1pixelofdisplayeddata(frontpanel)or1incrementoftherequestedtimeinterval(interface)
b)1measurementperiodofthedatabeingrecorded
c)Amaximumof1/4096
th
oftheelapsedhistoricaldatacollectiontime(typically1/8192
th
).
DataCapture Everymeasurementisincludedinthemaximum,averageandminimumdataforeachincrementofthe
timeresolutionintervalregardlessofthetimeresolution.
30.7 DATALOGGINGSPECIFICATIONS
LoggedMeasurements Upto16measurementdataperrecord(eachofwhichcanbe1measurementorupto500harmonic
measurements)
DataperRecord Upto8003dataperrecord
InternalFIFOBuffer 32Mbyte(alwaysinbinaryformat,4bytesperdata)
InternalMemory ≥2Gbyte(alwaysinbinaryformat,4bytesperdata)non‐volatile
Typically5Mbytes/secmaximumsustainedmeanwriterate
ExternalDataFileFormat ASCII(CSV,scientificformat)orBinary
Timestamp Recordnumber+optionaldateandtime(1secondresolution)
MaximumFileSize 4Gbyte
MaximumRecords Onlylimitedbymaximumfilesize
StartDelayTime Zeroto99days,99hours,99minutes,99seconds(1secondresolution)
0.01%+8msmaximumerror
RunTime Manual(unrestrictedperiodoftime),or1secondto99days,99hours,99minutes,99seconds(1
secondresolution)
0.01%+8msmaximumerror
LogInterval 0.002second,or0.01secondto99hours,99minutes,99.99seconds(0.01secondresolution)
0.01%maximumerror±2msnon‐accumulatingerror
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