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2470

High Voltage SourceMeter Instrument Reference Manual Section 15:

Frequently asked questions

2470-901-01 Rev. A / May 2019 15-3

How do I check the USB driver for the device?

To check the driver for the USB Test and Measurement Device:

1. Open Device Manager. From the Start menu, you can enter devmgmt.msc in the Run box or t

Windows search box to start Device Manager.

2. Under USB Test and Measurement Devices, look for USB Test and Measurement Device.

If the device is not there, either VISA is not installed or the instrument is not plugged in and

witched on.

Figure 157: Device Manager dialog box showing USB Test and Measurement Device

3. Right-click the device.

4. Select Properties.

5. Select the Driver tab.

6. Click Driver Details.

Default Chapter6
- Table of Contents6
Introduction24
- Welcome24
- Extended Warranty25
- Contact Information25
- Organization of Manual Sections25
- Features26
- General Ratings27
Installation33
- Handle and Bumpers33
  - Removing the Handle and Bumpers33
- Instrument Power35
  - Connect the Power Cord35
  - Power the Instrument on or off36
- Remote Communications Interfaces36
- Instrument Access64
- Determining the Command Set You will Use66
- System Information67
Instrument Description69
- Front-Panel Overview69
- Rear-Panel Overview71
- Turn the 2470 Output on or off72
- Touchscreen Display73
- Screen Descriptions77
  - Home Screen77
- Menu Overview87
- Display Features108
- Instrument Sounds112
- Saving Setups113
- Resets117
  - Reset the Instrument118
- Using the Event Log118
- Saving Front-Panel Settings into a Macro Script121
Sourcing and Measuring124
- Basic Connections124
- Using the Interlock125
- Front- or Rear-Panel Test Connections127
- Two-Wire Compared to Four-Wire Measurements129
- Test Fixtures136
- Output-Off State138
- Source-Measure Overview141
- Protection155
  - Overvoltage Protection156
  - Source Limits157
- Ranges159
  - Source Range159
  - Measurement Range161
- Automatic Reference Measurements164
  - Setting Autozero165
- Source Readback166
- Relative Offset168
  - Establishing a Relative Offset Value169
  - Disabling the Relative Offset171
- Calculations that You Can Apply to Measurements171
- Sweep Operation176
- Limit Testing and Binning188
  - Limit Testing Using the Front-Panel Interface188
  - Set up a Limit Test Using the Remote Interface190
- Configuration Lists205
Source-Measure Considerations227
- Circuit Configurations227
  - Source Current228
  - Source Voltage229
- Operating Boundaries230
  - Current Source Operating Boundaries231
  - Voltage Limit Boundary Examples231
  - Current Limit Boundary Examples233
- Output Transient Recovery234
- Load Regulation234
- Using Nplcs to Adjust Speed and Accuracy235
- Noise Shield237
- Safety Shield237
  - Safety Shielding238
- Noise and Chassis Ground238
- Floating the 2470239
- Guarding241
  - Using Guard with a Test Fixture242
  - Guard Circuit Drawing242
- Sink Operation243
- Battery Charge and Discharge244
- Measurement Settling Time Considerations245
- Overtemperature Protection246
- Current Breakdown Protection246
- Calculating Accuracy247
  - Calculating Source or Measure Accuracy247
  - Calculate Accuracy of a Resistance Measurement Made by Sourcing I and Measuring V248
- Offset-Compensated Ohm Calculations249
- Power Calculations249
- High-Capacitance Operation250
  - Enabling the High Capacitance Feature250
- Filtering Measurement Data251
  - Repeating Average Filter251
  - Moving Average Filter252
  - Setting up the Averaging Filter252
- Order of Operations253
- Reset Default Values254
  - Default Values254
Reading Buffers261
- Introduction to Reading Buffers261
- Getting Started with Buffers262
- Creating Buffers265
- Setting Reading Buffer Options269
  - Setting Reading Buffer Capacity270
  - Setting the Fill Mode272
- Selecting a Buffer274
- Using the Front Panel to Store Readings in the Selected Buffer277
- Viewing and Saving Buffer Content278
- Clearing Buffers284
- Deleting Buffers285
- Remote Buffer Operation285
Graphing293
- Setting up the Graph Tab293
- Using the Graph Tab296
- Binning Data with the Histogram297
  - Setting up the Histogram298
Triggering299
- Measurement Methods299
- Triggering301
- Digital I/O310
- Trigger Model325
TSP-Link and TSP-Net355
- TSP-Link System Expansion Interface355
- TSP-Net367
Maintenance372
- Introduction372
- Line Fuse Replacement372
- Front-Panel Display373
- Upgrading the Firmware374
Introduction to SCPI Commands379
- Introduction to SCPI379
  - Command Execution Rules379
  - Command Messages379
- SCPI Command Programming Notes381
  - SCPI Command Formatting381
  - Using the SCPI Command Reference383
- Acquiring Readings Using SCPI Commands387
SCPI Command Reference388
- Fetch388
- Measure391
- Read393
- Rcl396
- Sav396
- Calculate Subsystem397
- Digital Subsystem411
- Display Subsystem415
- Format Subsystem421
- Output Subsystem424
- Route Subsystem427
  - Route:terminals427
- Script Subsystem428
- Sense1 Subsystem429
- Source Subsystem455
- Status Subsystem483
- System Subsystem490
- Trace Subsystem504
- Trigger Subsystem529
Introduction to TSP Commands587
- Controlling the Instrument by Sending Individual Command Messages587
- Queries589
- USB Flash Drive Path589
- Information on Scripting and Programming590
- Fundamentals of Scripting for TSP590
- Fundamentals of Programming for TSP598
- Test Script Builder (TSB)617
- Suggestions for Increasing the Available Memory627
- About TSP Commands627
TSP Command Reference641
- TSP Syntax Rules641
- Time and Date Values642
- Local and Remote Control642
- Using the TSP Command Reference644
  - Command Name, Brief Description, and Summary Table645
  - Command Usage646
  - Command Details647
  - Example Section647
  - Related Commands and Information647
- TSP Commands648
  - Beeper.beep()648
  - Buffer.clearstats()648
  - Buffer.delete()649
  - Buffer.getstats()650
  - Buffer.make()652
  - Buffer.save()654
  - Buffer.saveappend()655
  - Buffervar.capacity657
  - Buffervar.clear()658
  - Buffervar.dates660
  - Buffervar.endindex661
  - Buffervar.extravalues662
  - Buffervar.fillmode663
  - Buffervar.formattedreadings664
  - Buffervar.fractionalseconds665
  - Buffervar.logstate666
  - Buffervar.n666
  - Buffervar.readings668
  - Buffervar.relativetimestamps669
  - Buffervar.seconds670
  - Buffervar.sourceformattedvalues671
  - Buffervar.sourcestatuses672
  - Buffervar.sourceunits673
  - Buffervar.sourcevalues675
  - Buffervar.startindex676
  - Buffervar.statuses677
  - Buffervar.times678
  - Buffervar.timestamps679
  - Buffervar.units681
  - Buffer.write.format683
  - Buffer.write.reading()684
- Createconfigscript()686
- Dataqueue.add()687
- Dataqueue.capacity688
- Dataqueue.clear()688
- Dataqueue.count689
- Dataqueue.next()689
- Delay()691
- Digio.line[N].Mode692
- Digio.line[N].Reset()693
- Digio.line[N].State695
- Digio.readport()695
- Digio.writeport()696
- Display.changescreen()697
- Display.clear()698
- Display.delete()698
- Display.input.number()699
- Display.input.option()701
- Display.input.prompt()703
- Display.input.string()704
- Display.lightstate706
- Display.prompt()707
- Display.readingformat708
- Display.settext()709
- Display.waitevent()710
- Eventlog.clear()711
- Eventlog.getcount()711
- Eventlog.next()712
- Eventlog.post()714
- Eventlog.save()715
- Exit()716
- File.close()716
- File.flush()717
- File.mkdir()718
- File.open()719
- File.read()720
- File.usbdriveexists()721
- File.write()721
- Format.asciiprecision722
- Format.byteorder723
- Format.data724
- Gpib.address725
- Lan.ipconfig()726
- Lan.lxidomain727
- Lan.macaddress727
- Localnode.access728
- Localnode.gettime()729
- Localnode.linefreq729
- Localnode.model730
- Localnode.password730
- Localnode.prompts731
- Localnode.prompts4882732
- Localnode.serialno732
- Localnode.settime()733
- Localnode.showevents734
- Localnode.version735
- Node[N].Execute()736
- Node[N].Getglobal()737
- Node[N].Setglobal()737
- Opc()738
- Print()739
- Printbuffer()740
- Printnumber()743
- Reset()744
- Script.delete()744
- Script.load()745
- Scriptvar.run()745
- Scriptvar.save()746
- Scriptvar.source747
- Smu.breakdownprotection747
- Smu.interlock.tripped749
- Smu.measure.autorange750
- Smu.measure.autorangehigh751
- Smu.measure.autorangelow752
- Smu.measure.autozero.enable753
- Smu.measure.autozero.once()754
- Smu.measure.configlist.catalog()754
- Smu.measure.configlist.create()755
- Smu.measure.configlist.delete()756
- Smu.measure.configlist.query()757
- Smu.measure.configlist.recall()758
- Smu.measure.configlist.size()759
- Smu.measure.configlist.store()760
- Smu.measure.count761
- Smu.measure.displaydigits763
- Smu.measure.filter.count764
- Smu.measure.filter.enable765
- Smu.measure.filter.type766
- Smu.measure.func767
- Smu.measure.limit[Y].Audible768
- Smu.measure.limit[Y].Autoclear769
- Smu.measure.limit[Y].Clear()769
- Smu.measure.limit[Y].Enable770
- Smu.measure.limit[Y].Fail771
- Smu.measure.limit[Y].High.value773
- Smu.measure.limit[Y].Low.value773
- Smu.measure.math.enable774
- Smu.measure.math.format775
- Smu.measure.math.mxb.bfactor776
- Smu.measure.math.mxb.mfactor777
- Smu.measure.math.percent778
- Smu.measure.nplc779
- Smu.measure.offsetcompensation780
- Smu.measure.range781
- Smu.measure.read()782
- Smu.measure.readwithtime()783
- Smu.measure.rel.acquire()784
- Smu.measure.rel.enable785
- Smu.measure.rel.level786
- Smu.measure.sense787
- Smu.measure.unit788
- Smu.measure.userdelay[N]789
- Smu.reset()790
- Smu.source.autorange791
- Smu.source.autodelay792
- Smu.source.configlist.catalog()792
- Smu.source.configlist.create()793
- Smu.source.configlist.delete()794
- Smu.source.configlist.query()795
- Smu.source.configlist.recall()796
- Smu.source.configlist.size()797
- Smu.source.configlist.store()798
- Smu.source.delay799
- Smu.source.func800
- Smu.source.highc800
- Smu.source.level801
- Smu.source.offmode802
- Smu.source.output804
- Smu.source.protect.level804
- Smu.source.protect.tripped805
- Smu.source.range806
- Smu.source.readback807
- Smu.source.sweeplinear()808
- Smu.source.sweeplinearstep()810
- Smu.source.sweeplist()812
- Smu.source.sweeplog()814
- Smu.source.userdelay[N]816
- Smu.source.xlimit.level817
- Smu.source.xlimit.tripped818
- Smu.terminals818
- Status.condition819
- Status.clear()819
- Status.operation.condition821
- Status.operation.enable821
- Status.operation.event822
- Status.operation.getmap()823
- Status.operation.setmap()823
- Status.preset()824
- Status.questionable.condition825
- Status.questionable.enable825
- Status.questionable.event826
- Status.questionable.getmap()827
- Status.questionable.setmap()827
- Status.request_Enable828
- Status.standard.enable829
- Status.standard.event831
- Timer.cleartime()832
- Timer.gettime()832
- Trigger.blender[N].Clear()833
- Trigger.blender[N].Orenable833
- Trigger.blender[N].Overrun834
- Trigger.blender[N].Reset()834
- Trigger.blender[N].Stimulus[M]835
- Trigger.blender[N].Wait()837
- Trigger.digin[N].Clear()838
- Trigger.digin[N].Edge839
- Trigger.digin[N].Overrun840
- Trigger.digin[N].Wait()840
- Trigger.digout[N].Assert()841
- Trigger.digout[N].Logic842
- Trigger.digout[N].Pulsewidth843
- Trigger.digout[N].Release()844
- Trigger.digout[N].Stimulus844
- Trigger.lanin[N].Clear()846
- Trigger.lanin[N].Edge846
- Trigger.lanin[N].Overrun847
- Trigger.lanin[N].Wait()848
- Trigger.lanout[N].Assert()848
- Trigger.lanout[N].Connect()849
- Trigger.lanout[N].Connected850
- Trigger.lanout[N].Disconnect()851
- Trigger.lanout[N].Ipaddress851
- Trigger.lanout[N].Logic852
- Trigger.lanout[N].Protocol852
- Trigger.lanout[N].Stimulus853
- Trigger.model.abort()854
- Trigger.model.getblocklist()855
- Trigger.model.getbranchcount()855
- Trigger.model.initiate()856
- Trigger.model.load() - Configlist857
- Trigger.model.load() - Durationloop858
- Trigger.model.load() - Empty859
- Trigger.model.load() - Gradebinning859
- Trigger.model.load() - Logictrigger861
- Trigger.model.load() - Loopuntilevent862
- Trigger.model.load() - Simpleloop864
- Trigger.model.load() - Sortbinning865
- Trigger.model.setblock() - Trigger.block_Branch_Always867
- Trigger.model.setblock() - Trigger.block_Branch_Counter867
- Trigger.model.setblock() - Trigger.block_Branch_Delta868
- Trigger.model.setblock() - Trigger.block_Branch_Limit_Constant869
- Trigger.model.setblock() - Trigger.block_Branch_Limit_Dynamic871
- Trigger.model.setblock() - Trigger.block_Branch_On_Event872
- Trigger.model.setblock() - Trigger.block_Branch_Once873
- Trigger.model.setblock() - Trigger.block_Branch_Once_Excluded874
- Trigger.model.setblock() - Trigger.block_Buffer_Clear875
- Trigger.model.setblock() - Trigger.block_Config_Next875
- Trigger.model.setblock() - Trigger.block_Config_Prev877
- Trigger.model.setblock() - Trigger.block_Config_Recall879
- Trigger.model.setblock() - Trigger.block_Delay_Constant880
- Trigger.model.setblock() - Trigger.block_Delay_Dynamic881
- Trigger.model.setblock() - Trigger.block_Digital_Io882
- Trigger.model.setblock() - Trigger.block_Log_Event883
- Trigger.model.setblock() - Trigger.block_Measure884
- Trigger.model.setblock() - Trigger.block_Nop885
- Trigger.model.setblock() - Trigger.block_Notify886
- Trigger.model.setblock() - Trigger.block_Reset_Branch_Count886
- Trigger.model.setblock() - Trigger.block_Source_Output887
- Trigger.model.setblock() - Trigger.block_Wait888
- Trigger.model.state()890
- Trigger.timer[N].Clear()891
- Trigger.timer[N].Count892
- Trigger.timer[N].Delay893
- Trigger.timer[N].Delaylist894
- Trigger.timer[N].Enable895
- Trigger.timer[N].Reset()896
- Trigger.timer[N].Start.fractionalseconds897
- Trigger.timer[N].Start.generate897
- Trigger.timer[N].Start.overrun898
- Trigger.timer[N].Start.seconds899
- Trigger.timer[N].Start.stimulus899
- Trigger.timer[N].Wait()901
- Trigger.tsplinkin[N].Clear()901
- Trigger.tsplinkin[N].Edge902
- Trigger.tsplinkin[N].Overrun903
- Trigger.tsplinkin[N].Wait()904
- Trigger.tsplinkout[N].Assert()904
- Trigger.tsplinkout[N].Logic905
- Trigger.tsplinkout[N].Pulsewidth906
- Trigger.tsplinkout[N].Release()906
- Trigger.tsplinkout[N].Stimulus907
- Trigger.wait()908
- Tsplink.group909
- Tsplink.initialize()910
  - Tsplink.line[N].Mode911
  - Tsplink.line[N].Reset()912
  - Tsplink.line[N].State913
  - Tsplink.master913
  - Tsplink.node914
  - Tsplink.readport()914
  - Tsplink.state915
  - Tsplink.writeport()916
  - Tspnet.clear()916
  - Tspnet.connect()917
  - Tspnet.disconnect()918
  - Tspnet.execute()919
  - Tspnet.idn()920
  - Tspnet.read()921
  - Tspnet.readavailable()922
  - Tspnet.reset()923
  - Tspnet.termination()923
  - Tspnet.timeout924
  - Tspnet.tsp.abort()925
  - Tspnet.tsp.abortonconnect925
  - Tspnet.tsp.rbtablecopy()926
  - Tspnet.tsp.runscript()927
  - Tspnet.write()927
  - Upgrade.previous()928
  - Upgrade.unit()929
  - Userstring.add()929
  - Userstring.catalog()930
  - Userstring.delete()931
  - Userstring.get()931
  - Waitcomplete()932
Frequently Asked Questions934
- I See a Command that Is Not in the Manual. What Is It934
- How Do I Display the Instrument's Serial Number935
- What VISA Resource Name Is Required935
- Can I Use Keysight GPIB Cards with Keithley Drivers935
- How Do I Check the USB Driver for the Device936
- Which Microsoft Windows Operating Systems Are Supported937
- What to Do if the GPIB Controller Is Not Recognized938
- I'M Receiving GPIB Timeout Errors. What Should I Do938
- How Do I Change the Command Set938
- How Do I Upgrade the Firmware939
- Where Can I Find Updated Drivers940
- Why Can't the 2470 Read My USB Flash Drive941
- How Do I Download Measurements Onto the USB Flash Drive941
- How Do I Save the Present State of the Instrument942
- Why DID My Settings Change943
- What Is NPLC943
- What Are the Quick Setup Options944
- What Is the Output-Off State944
- Why Is OVP Displayed946
- How Do I Store Readings into the Buffer947
- What Should I Do if I Get an 5074 Interlock Error948
- How Do I Trigger a Sweep948
- What Are Source Limits948
- What Is Offset Compensation949
- What Is a Configuration List949
- What Does -113 "Undefined Header" Error Mean950
- Why Do I See the "Incompatible Settings" Message950
- What Does -410 "Query Interrupted" Error Mean950
- What Does -420 "Query Unterminated" Error Mean951
- How Do I Use the Digital I/O Port951
- How Do I Trigger Other Instruments951
Next Steps952
- Additional 2470 Information952
Common Commands953
- Introduction953
Status Model963
- Overview963
- Serial Polling and SRQ975
- Programming Enable Registers976
- Reading the Registers976
- Understanding Bit Settings977
- Clearing Registers978
- Status Model Programming Examples979
Index988

Brand	Tektronix
Model	Keithley SourceMeter 2470
Category	Measuring Instruments
Language	English

Tektronix Keithley SourceMeter 2470 Reference Manual

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