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2461
Keithley 2461 Reference Manual
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Section
4
:
Source
-
mea
sure considerati
ons
Model 2461
Intera
ctive Sourc
eMet
er® Instrument
Referen
ce Manual
4-4
2461
-
901
-
01 A/November 2
015
Operati
ng bou
nda
ries
Operating b
oundar
ies def
ine the
current a
nd vo
ltage
lim
its of the instr
um
ent. The
general
operat
ing
boundari
es of the
Model
2461 are s
ho
wn in the
follow
ing figur
e.
Figure
145
: Model 2461
operating boundaries
339
341
Table of Contents
Default Chapter
3
Safety Precautions
3
Table of Contents
5
Introduction
24
Welcome
24
Extended Warranty
24
Contact Information
24
CD-ROM Contents
25
Organization of Manual Sections
25
Capabilities and Features
26
General Ratings
27
General Operation
28
Power the Instrument on or off
29
Front-Panel Overview
30
Turn the Model 2461 Output on or off
33
Rear Panel Overview
34
Touchscreen Display
35
Select Items on the Touchscreen
36
Scroll Bars
36
Enter Information
37
Adjust the Backlight Brightness and Dimmer
38
Event Messages
39
Screen Descriptions
40
Home Screen
40
Menu Overview
48
Source Menu
49
Measure Menu
54
Views Menu
58
Trigger Menu
64
Scripts Menu
66
System Menu
68
Display Features
72
Setting the Number of Displayed Digits
73
Setting the Display Format
73
Customizing a Message for the USER Swipe Screen
74
Creating Messages for Interactive Prompts
76
Saving Screen Captures to a USB Flash Drive
76
Handle and Bumpers
77
Removing the Handle and Bumpers
77
Dimensions
78
Remote Communications Interfaces
82
Supported Remote Interfaces
83
Comparison of the Communications Interfaces
83
GPIB Setup
84
LAN Communications
88
USB Communications
96
Model 2461 Web Interface
100
How to Install the Keithley I/O Layer
106
Modifying, Repairing, or Removing Keithley I/O Layer Software
107
Determining the Command Set You will Use
107
System Information
108
Instrument Sounds
110
Test Connections
111
Basic Connections
111
Using the Interlock
113
Front- or Rear-Panel Test Connections
115
Two-Wire Compared to Four-Wire Measurements
116
Test Fixtures
122
Output-Off State
124
Normal Output-Off State
124
High-Impedance Output-Off State
125
Zero Output-Off State
125
Guard Output-Off State
125
Output-Off States and Inductive Loads
125
Setting the Output-Off State
126
Source-Measure Overview
126
Source and Measure Order
127
Source and Measure through the Front Panel
127
Source and Measure Using SCPI Commands
138
Source and Measure Using TSP Commands
138
Digitize Functions
140
Digitize Measurements
140
Digitizing Aperture and Sample Rate
142
Contact Check
142
Contact Check Measurements
143
Contact Check Measurement Connections
144
Enabling or Disabling Contact Check
144
Contact Check Threshold Resistance
145
Running Contact Check
146
Contact Check Commands
147
Contact Check Programming Example
147
Protection
148
Overvoltage Protection
148
Source Limits
149
Ranges
151
Source Range
151
Measurement Range
153
Automatic Reference Measurements
156
Setting Autozero
156
Source Readback
157
Setting Source Readback
157
Source Delay
157
Setting the Source Delay
158
Graphing
158
Setting up the Graph Tab
159
Using the Graph Tab
161
Binning Data with the Histogram
162
Setting up the Histogram
163
Saving Setups
164
Save a User Setup to Internal Memory
164
Save a User Setup to a USB Flash Drive
165
Copy a User Setup
165
Delete a User Setup
166
Recall a User Setup
166
Define the Setup Used When Power Is Turned on
167
Resets
168
Reset the Instrument
169
Using the Event Log
169
Information Provided for each Event Log Entry
170
Event Log Settings
170
Effects of Errors on Scripts
171
Functions and Features
172
Reading Buffers
173
Getting Started with Buffers
173
Remote Buffer Operation
194
Reading Buffers
197
Saving Front-Panel Settings into a Macro Script
200
Recording a Macro Script
200
Running a Macro Script
201
Front-Panel Macro Recording Limitations
201
Configuration Lists
201
Instrument Configuration
201
What Is a Configuration List
202
What Is a Configuration Index
203
What Settings Are Stored in a Configuration List
203
Creating, Storing, and Performing Operations on Configuration Lists and Indexes
207
Using the Front Panel for Configuration List Operations
207
Using Remote Commands for Configuration List Operations
213
Autocalibration
222
Auto Calibration
222
Running Autocalibration
222
Reviewing Calibration Information
223
Monitoring Internal Temperature
224
Sweep Operation
224
Linear Staircase Sweep
225
Logarithmic Staircase Sweep
226
Setting up a Sweep
226
Aborting a Sweep
231
Sweep Programming Examples
232
Increasing the Speed of Sweeps
235
Pulse Operation
235
Bias Level and Limits
236
Pulse Level and Limits
237
Pulse Width
237
Delay and off Time
238
Pulse Period
238
Pulse Rise and Fall Times
239
Pulse Duty Cycle
239
Pulse Sweep Type
240
Pulse Measurements
244
Setting up a Pulse Sweep
245
Pulse Commands
247
Instrument Access
248
Changing the Instrument Access Mode
248
Changing the Password
249
Switching Control Interfaces
250
Relative Offset
250
Establishing a Relative Offset Value
251
Disabling the Relative Offset
252
Calculations that You Can Apply to Measurements
253
MX+B
253
Percent
254
Reciprocal (1/X)
254
Setting Percent Math Operations
255
Setting MX+B Math Operations
255
Setting Reciprocal Math Operations
256
Switching Math on the SETTINGS Swipe Screen
256
Displayed Measurements
256
Digital I/O
257
Digital I/O Port Configuration
258
Digital I/O Lines
260
Remote Digital I/O Commands
265
Digital I/O Bit Weighting
266
Digital I/O Programming Examples
266
Measurement Methods
269
Continuous Measurement Triggering
269
Trigger Key Triggering
269
Trigger Model Triggering
269
Switching between Measurement Methods
270
Triggering
270
Command Interface Triggering
270
Triggering Using Hardware Lines
271
LAN Triggering Overview
271
Trigger Timers
272
Event Blenders
275
Interactive Triggering
276
Trigger Model
278
Trigger Model Blocks
279
Predefined Trigger Models
296
Assembling Trigger Model Blocks
298
Running the Trigger Model
299
Using Trigger Events to Start Actions in the Trigger Model
302
Limit Testing and Binning
305
Limit Testing Using the Front-Panel Interface
305
Set up a Limit Test Using the Remote Interface
307
TSP-Link System Expansion Interface
321
TSP-Link Connections
321
TSP-Link Nodes
323
Master and Subordinates
324
Initializing the TSP-Link System
324
Sending Commands to TSP-Link Nodes
325
Using the Reset() Command
325
Terminating Scripts on the TSP-Link System
326
Triggering Using TSP-Link Synchronization Lines
326
Running Simultaneous Test Scripts
326
Using Model 2461 TSP-Link Commands with Other TSP-Link Products
332
TSP-Net
333
Using TSP-Net with any Ethernet-Enabled Instrument
334
Remote Instrument Events
335
TSP-Net Instrument Commands: General Device Control
335
TSP-Net Instrument Commands: TSP-Enabled Device Control
335
Example: Using Tspnet Commands
336
Source-Measure Considerations
337
Circuit Configurations
337
Source Current
337
Source Voltage
339
Operating Boundaries
340
Current Source Operating Boundaries
341
Voltage Limit Boundary Examples
342
Current Limit Boundary Examples
343
Output Transient Recovery
344
Load Regulation
344
Using Nplcs to Adjust Speed and Accuracy
345
Noise Shield
347
Safety Shield
347
Safety Shielding
348
Grounding
348
Noise and Chassis Ground
348
Floating the Model 2461
349
Guarding
351
Using Guard with a Test Fixture
351
Sink Operation
352
Battery Charge and Discharge
352
Timing Information
354
Measurement Settling Time Considerations
354
Overtemperature Protection
354
Calculating Accuracy
354
Calculating Source or Measure Accuracy
355
Calculate Accuracy of a Resistance Measurement Made by Sourcing I and Measuring V
355
Offset-Compensated Ohm Calculations
357
Power Calculations
357
High-Capacitance Operation
358
Enabling the High Capacitance Feature
358
Filtering Measurement Data
359
Repeating Average Filter
359
Moving Average Filter
360
Setting up the Averaging Filter
360
Order of Operations
361
Reset Default Values
361
Filtering Measurement Data
361
Default Values
362
Introduction to SCPI Commands
369
Introduction to SCPI
369
Command Execution Rules
369
Command Messages
369
SCPI Command Programming Notes
371
SCPI Command Formatting
371
Using the SCPI Command Reference
373
Acquiring Readings Using SCPI Commands
377
SCPI Command Reference
378
Fetch
378
Measure
381
Measure:digitize
384
Read
386
Read:digitize
389
Rcl
392
Sav
392
ACAL Subsystem
393
Acal:count
393
Acal:lastrun:temperature:internal
394
Acal:lastrun:temperature:difference
394
Acal:lastrun:time
395
Acal:run
395
Calculate Subsystem
396
Calculate[1]:<Function>:Math:format
396
Calculate[1]:<Function>:Math:mbfactor
397
Calculate[1]:<Function>:Math:mmfactor
399
Calculate[1]:<Function>:Math:percent
400
Calculate[1]:<Function>:Math:state
401
Calculate2:<Function>:Limit<Y>:Audible
402
Calculate2:<Function>:Limit<Y>:Clear:auto
403
Calculate2:<Function>:Limit<Y>:Clear[:Immediate]
405
Calculate2:<Function>:Limit<Y>:Fail
406
Calculate2:<Function>:Limit<Y>:Lower[:Data]
407
Calculate2:<Function>:Limit<Y>:State
409
Calculate2:<Function>:Limit<Y>:Upper[:Data]
410
Digital Subsystem
412
Digital:line<N>:Mode
412
Digital:line<N>:State
413
Digital:read
414
Digital:write <N
415
Display Subsystem
416
Display:clear
416
Display:<Function>:Digits
417
Display:light:state
418
Display:reading:format
419
Display:screen
419
Display:user<N>:Text[:Data]
420
Format Subsystem
421
Format:ascii:precision
421
Format:border
422
Format[:Data]
423
Output Subsystem
424
Output[1]:<Function>:Smode
424
Output[1]:Interlock:tripped
426
Output[1][:State]
426
Route Subsystem
427
Route:terminals
427
Script Subsystem
428
Script:run
428
Sense1 Subsystem
429
[:Sense[1]]:<Function>:Aperture
429
[:Sense[1]]:<Function>:Average:count
430
[:Sense[1]]:<Function>:Average[:State]
432
[:Sense[1]]:<Function>:Average:tcontrol
433
[:Sense[1]]:<Function>:Azero[:State]
434
[:Sense[1]]:<Function>:Delay:user<N
436
[:Sense[1]]:<Function>:Nplcycles
437
Sense[1]]:<Function>:Ocompensated
438
[:Sense[1]]:<Function>:Range:auto
439
[:Sense[1]]:<Function>:Range:auto:llimit
440
[:Sense[1]]:<Function>:Range:auto:ulimit
441
[:Sense[1]]:<Function>:Range[:Upper]
442
[:Sense[1]]:<Function>:Relative
444
[:Sense[1]]:<Function>:Relative:acquire
445
[:Sense[1]]:<Function>:Relative:state
446
[:Sense[1]]:<Function>:Rsense
447
[:Sense[1]]:<Function>:Srate
448
[:Sense[1]]:<Function>:Unit
449
[:Sense[1]]:Azero:once
449
[:Sense[1]]:Configuration:list:catalog
450
[:Sense[1]]:Configuration:list:create
451
[:Sense[1]]:Configuration:list:delete
451
[:Sense[1]]:Configuration:list:query
452
[:Sense[1]]:Configuration:list:recall
453
[:Sense[1]]:Configuration:list:size
454
[:Sense[1]]:Configuration:list:store
455
[:Sense[1]]:Count
456
[:Sense[1]]:Digitize:count
457
[:Sense[1]]:Digitize:function[:On]
458
[:Sense[1]]:Function[:On]
458
Source Subsystem
460
Source[1]:Configuration:list:catalog
460
Source[1]:Configuration:list:create
460
Source[1]:Configuration:list:delete
461
Source[1]:Configuration:list:query
462
Source[1]:Configuration:list:recall
463
Source[1]:Configuration:list:size
464
Source[1]:Configuration:list:store
465
Source[1]:<Function>:Delay
466
Source[1]:<Function>:Delay:auto
467
Source[1]:<Function>:Delay:user<N
468
Source[1]:<Function>:High:capacitance
469
Source[1]:<Function>[:Level][:Immediate][:Amplitude]
470
Source[1]:<Function>:<X>Limit[:Level]
471
Source[1]:<Function>:<X>Limit[:Level]:Tripped
472
Source[1]:Function[:Mode]
472
Source[1]:<Function>:Protection[:Level]
473
Source[1]:<Function>:Protection[:Level]:Tripped
474
Source[1]:<Function>:Range
474
Source[1]:<Function>:Range:auto
475
Source[1]:<Function>:Read:back
476
Source[1]:List:<Function
478
Source[1]:List:<Function>:Append
479
Source[1]:List:<Function>:Points
480
Source[1]:Pulse:<Function>:<X>Limit[:Level]
481
Source[1]:Pulse:<Function>[:Level][:Immediate][:Amplitude]
482
Source[1]:Pulse:list:<Function
484
Source[1]:Pulse:list:<Function>:Append
485
Source[1]:Pulse:list:<Function>:Points
486
Source[1]:Pulse:sweep:<Function>:Linear
487
Source[1]:Pulse:sweep:<Function>:Linear:step
490
Source[1]:Pulse:sweep:<Function>:List
493
Source[1]:Pulse:sweep:<Function>:Log
495
Source[1]:Pulse:train:<Function
498
Source[1]:Sweep:<Function>:Linear
501
Source[1]:Sweep:<Function>:Linear:step
503
Source[1]:Sweep:<Function>:List
505
Source[1]:Sweep:<Function>:Log
507
Status Subsystem
510
Status:clear
510
Status:operation:condition
510
Status:operation:enable
511
Status:operation[:Event]
511
Status:operation:map
512
Status:preset
513
Status:questionable:condition
513
Status:questionable:enable
514
Status:questionable[:Event]
515
Status:questionable:map
516
System Subsystem
517
System:access
517
System:beeper[:Immediate]
518
System:ccheck
519
System:ccheck:all
519
System:ccheck:state
520
System:ccheck:threshold
521
System:clear
522
System:communication:lan:configure
522
System:communication:lan:macaddress
523
System:error[:Next]
524
System:error:code[:Next]
525
System:error:count
525
System:eventlog:count
526
System:eventlog:next
527
System:eventlog:post
528
System:eventlog:save
529
System:gpib:address
529
System:lfrequency
530
System:password:new
531
System:posetup
531
System:time
532
System:version
533
Trace Subsystem
533
Trace:actual
533
Trace:actual:end
534
Trace:actual:start
535
Trace:clear
536
Trace:data
537
Trace:delete
540
Trace:fill:mode
540
Trace:log:state
541
Trace:make
542
Trace:points
544
Trace:save
545
Trace:save:append
547
Trace:statistics:average
548
Trace:statistics:clear
549
Trace:statistics:maximum
550
Trace:statistics:minimum
551
Trace:statistics:pk2Pk
552
Trace:statistics:stddev
552
Trace:trigger
553
Trace:trigger:digitize
554
Trace:write:format
555
Trace:write:reading
557
Trigger Subsystem
559
Abort
559
Initiate[:Immediate]
559
Trigger:blender<N>:Clear
559
Trigger:blender<N>:Mode
560
Trigger:blender<N>:Overrun
561
Trigger:blender<N>:Stimulus<M
561
Trigger:block:branch:always
563
Trigger:block:branch:counter
563
Trigger:block:branch:counter:count
564
Trigger:block:branch:counter:reset
565
Trigger:block:branch:delta
566
Trigger:block:branch:event
567
Trigger:block:branch:limit:constant
568
Trigger:block:branch:limit:dynamic
569
Trigger:block:branch:once
570
Trigger:block:branch:once:excluded
571
Trigger:block:buffer:clear
572
Trigger:block:config:next
573
Trigger:block:config:previous
574
Trigger:block:config:recall
575
Trigger:block:delay:constant
576
Trigger:block:delay:dynamic
577
Trigger:block:digital:io
578
Trigger:block:digitize
579
Trigger:block:list
580
Trigger:block:log:event
580
Trigger:block:measure
581
Trigger:block:nop
582
Trigger:block:notify
583
Trigger:block:source:pulse:state
584
Trigger:block:source:state
585
Trigger:block:wait
586
Trigger:digital<N>:In:clear
588
Trigger:digital<N>:In:edge
588
Trigger:digital<N>:In:overrun
589
Trigger:digital<N>:Out:logic
590
Trigger:digital<N>:Out:pulsewidth
591
Trigger:digital<N>:Out:stimulus
591
Trigger:lan<N>:In:clear
593
Trigger:lan<N>:In:edge
593
Trigger:lan<N>:In:overrun
594
Trigger:lan<N>:Out:connect:state
595
Trigger:lan<N>:Out:ip:address
595
Trigger:lan<N>:Out:logic
596
Trigger:lan<N>:Out:protocol
597
Trigger:lan<N>:Out:stimulus
597
Trigger:load "Configlist
599
Trigger:load "Durationloop
601
Trigger:load "Empty"
602
Trigger:load "Gradebinning
603
Trigger:load "Logictrigger
605
Trigger:load "Loopuntilevent
606
Trigger:load "Simpleloop
608
Trigger:load "Sortbinning
610
Trigger:state
611
Trigger:timer<N>:Clear
612
Trigger:timer<N>:Count
613
Trigger:timer<N>:Delay
615
Trigger:timer<N>:Start:fractional
615
Trigger:timer<N>:Start:generate
616
Trigger:timer<N>:Start:overrun
617
Trigger:timer<N>:Start:seconds
617
Trigger:timer<N>:Start:stimulus
618
Trigger:timer<N>:State
619
Introduction to TSP Operation
621
Controlling the Instrument by Sending Individual Command Messages
621
Queries
623
USB Flash Drive Path
623
Information on Scripting and Programming
623
Fundamentals of Scripting for TSP
624
What Is a Script
624
Run-Time and Nonvolatile Memory Storage of Scripts
625
What Can be Included in Scripts
625
Working with Scripts
625
Fundamentals of Programming for TSP
631
What Is Lua
631
Lua Basics
632
Standard Libraries
645
Suggestions for Increasing the Available Memory
649
Test Script Builder (TSB)
649
Installing the TSB Software
649
Installing the TSB Add-In
650
Using Test Script Builder (TSB)
650
Project Navigator
651
Script Editor
652
Outline View
652
Programming Interaction
652
Connecting an Instrument in TSB
653
Creating a New TSP Project
654
Adding a New TSP File to a Project
655
Running a Script
655
Creating a Run Configuration
656
Memory Considerations for the Run-Time Environment
660
About TSP Commands
660
Beeper Control
661
Digital I/O
661
Configuration List
661
Display
662
Event Log
662
File
662
Instrument Identification
663
Miscellaneous
663
Lan
663
Gpib
664
Reading Buffer
664
Reset
664
Queries and Response Messages
665
Scripting
665
Smu
666
Status Model
668
Time
669
Triggering
669
Trigger Model
671
TSP-Link
672
TSP-Net
672
User Strings
673
TSP Command Reference
674
TSP Command Programming Notes
674
TSP Syntax Rules
674
Time and Date Values
675
Local and Remote Control
675
Using the TSP Command Reference
676
Command Name, Brief Description, and Summary Table
677
Command Usage
678
Command Details
679
Example Section
679
Related Commands and Information
679
TSP Commands
680
Acal.count
680
Acal.lastrun.internaltemp
680
Acal.lastrun.tempdiff
681
Acal.lastrun.time
682
Acal.run()
682
Beeper.beep()
683
Buffer.clearstats()
683
Buffer.delete()
684
Buffer.getstats()
685
Buffer.make()
687
Buffer.save()
688
Buffer.saveappend()
689
Buffervar.capacity
691
Buffervar.clear()
692
Buffervar.dates
693
Buffervar.endindex
694
Buffervar.fillmode
695
Buffervar.formattedreadings
696
Buffervar.fractionalseconds
697
Buffervar.logstate
698
Buffervar.n
699
Buffervar.readings
700
Buffervar.relativetimestamps
701
Buffervar.seconds
702
Buffervar.sourceformattedvalues
703
Buffervar.sourcestatuses
704
Buffervar.sourceunits
705
Buffervar.sourcevalues
706
Buffervar.startindex
708
Buffervar.statuses
709
Buffervar.times
710
Buffervar.timestamps
711
Buffervar.units
713
Buffer.write.format()
714
Buffer.write.reading()
716
Createconfigscript()
718
Dataqueue.add()
718
Dataqueue.capacity
719
Dataqueue.clear()
720
Dataqueue.count
721
Dataqueue.next()
721
Delay()
722
Digio.line[N].Mode
723
Digio.line[N].Reset()
725
Digio.line[N].State
726
Digio.readport()
726
Digio.writeport()
727
Display.changescreen()
728
Display.clear()
729
Display.delete()
729
Display.input.number()
730
Display.input.option()
732
Display.input.prompt()
734
Display.input.string()
735
Display.lightstate
736
Display.prompt()
737
Display.readingformat
738
Display.settext()
739
Display.waitevent()
740
Eventlog.clear()
741
Eventlog.getcount()
741
Eventlog.next()
742
Eventlog.post()
743
Eventlog.save()
744
Exit()
745
File.close()
745
File.flush()
746
File.mkdir()
747
File.open()
747
File.read()
748
File.usbdriveexists()
749
File.write()
749
Format.asciiprecision
750
Format.byteorder
751
Format.data
752
Gpib.address
753
Lan.ipconfig()
754
Lan.lxidomain
755
Lan.macaddress
755
Localnode.access
756
Localnode.gettime()
757
Localnode.linefreq
757
Localnode.model
758
Localnode.password
758
Localnode.prompts
759
Localnode.serialno
760
Localnode.settime()
760
Localnode.showevents
761
Localnode.version
762
Node[N].Execute()
763
Node[N].Getglobal()
763
Node[N].Setglobal()
764
Opc()
765
Print()
765
Printbuffer
768
Printnumber()
769
Reset()
770
Localnode.prompts4882
770
Script.catalog()
771
Script.delete()
772
Script.load()
772
Scriptvar.run()
773
Scriptvar.save()
773
Scriptvar.source
774
Smu.contact.check()
775
Smu.contact.checkall()
776
Smu.contact.enable
777
Smu.contact.threshold
778
Smu.digitize.aperture
779
Smu.digitize.count
780
Smu.digitize.displaydigits
780
Smu.digitize.func
781
Smu.digitize.limit[Y].Audible
782
Smu.digitize.limit[Y].Autoclear
783
Smu.digitize.limit[Y].Clear()
783
Smu.digitize.limit[Y].Enable
784
Smu.digitize.limit[Y].Fail
786
Smu.digitize.limit[Y].High.value
788
Smu.digitize.limit[Y].Low.value
789
Smu.digitize.range
791
Smu.digitize.math.enable
792
Smu.digitize.math.format
793
Smu.digitize.math.mxb.bfactor
794
Smu.digitize.math.mxb.mfactor
795
Smu.digitize.math.percent
796
Smu.digitize.read()
797
Smu.digitize.readwithtime()
798
Smu.digitize.rel.acquire()
799
Smu.digitize.rel.enable
800
Smu.digitize.rel.level
800
Smu.digitize.samplerate
801
Smu.digitize.unit
802
Smu.digitize.userdelay[N]
803
Smu.interlock.tripped
804
Smu.measure.autorange
804
Smu.measure.autorangehigh
805
Smu.measure.autorangelow
806
Smu.measure.autozero.enable
807
Smu.measure.autozero.once()
808
Smu.measure.configlist.catalog()
808
Smu.measure.configlist.create()
809
Smu.measure.configlist.delete()
810
Smu.measure.configlist.query()
811
Smu.measure.configlist.recall()
813
Smu.measure.configlist.size()
814
Smu.measure.configlist.store()
815
Smu.measure.count
816
Smu.measure.displaydigits
820
Smu.measure.filter.count
821
Smu.measure.filter.enable
821
Smu.measure.filter.type
822
Smu.measure.func
823
Smu.measure.limit[Y].Audible
825
Smu.measure.limit[Y].Autoclear
826
Smu.measure.limit[Y].Clear()
827
Smu.measure.limit[Y].Enable
827
Smu.measure.limit[Y].Fail
828
Smu.measure.limit[Y].High.value
830
Smu.measure.limit[Y].Low.value
831
Smu.measure.math.enable
831
Smu.measure.math.format
832
Smu.measure.math.mxb.bfactor
833
Smu.measure.math.mxb.mfactor
835
Smu.measure.math.percent
836
Smu.measure.nplc
837
Smu.measure.offsetcompensation
838
Smu.measure.range
839
Smu.measure.read()
840
Smu.measure.readwithtime()
841
Smu.measure.rel.acquire()
842
Smu.measure.rel.enable
843
Smu.measure.rel.level
844
Smu.measure.sense
845
Smu.measure.unit
846
Smu.measure.userdelay[N]
847
Smu.reset()
848
Smu.source.autorange
848
Smu.source.autodelay
849
Smu.source.configlist.catalog()
850
Smu.source.configlist.create()
850
Smu.source.configlist.delete()
851
Smu.source.configlist.query()
852
Smu.source.configlist.recall()
853
Smu.source.configlist.size()
854
Smu.source.configlist.store()
855
Smu.source.delay
856
Smu.source.func
857
Smu.source.highc
857
Smu.source.level
858
Smu.source.offmode
859
Smu.source.output
861
Smu.source.protect.level
861
Smu.source.protect.tripped
862
Smu.source.pulse.level
863
Smu.source.pulse.xlimit.level
865
Smu.source.pulsesweeplinear()
867
Smu.source.pulsesweeplinearstep()
870
Smu.source.pulsesweeplist()
873
Smu.source.pulsesweeplog()
875
Smu.source.pulsetrain()
878
Smu.source.range
880
Smu.source.readback
881
Smu.source.sweeplinear()
883
Smu.source.sweeplinearstep()
885
Smu.source.sweeplist()
887
Smu.source.sweeplog()
889
Smu.source.userdelay[N]
891
Smu.source.xlimit.level
892
Smu.source.xlimit.tripped
893
Smu.terminals
893
Status.clear()
894
Status.condition
894
Status.operation.condition
896
Status.operation.enable
896
Status.operation.event
897
Status.operation.getmap()
897
Status.operation.setmap()
898
Status.preset()
899
Status.questionable.condition
900
Status.questionable.enable
901
Status.questionable.event
901
Status.questionable.getmap()
902
Status.questionable.setmap()
903
Status.request_Enable
904
Status.standard.enable
905
Status.standard.event
906
Timer.cleartime()
907
Timer.gettime()
908
Trigger.blender[N].Clear()
909
Trigger.blender[N].Orenable
909
Trigger.blender[N].Overrun
910
Trigger.blender[N].Reset()
911
Trigger.blender[N].Stimulus[M]
911
Trigger.blender[N].Wait()
912
Trigger.clear()
913
Trigger.digin[N].Clear()
914
Trigger.digin[N].Edge
915
Trigger.digin[N].Overrun
916
Trigger.digin[N].Wait()
916
Trigger.digout[N].Assert()
917
Trigger.digout[N].Logic
918
Trigger.digout[N].Pulsewidth
918
Trigger.digout[N].Release()
919
Trigger.digout[N].Stimulus
920
Trigger.lanin[N].Clear()
921
Trigger.lanin[N].Edge
922
Trigger.lanin[N].Overrun
922
Trigger.lanin[N].Wait()
923
Trigger.lanout[N].Assert()
924
Trigger.lanout[N].Connect()
925
Trigger.lanout[N].Connected
925
Trigger.lanout[N].Disconnect()
926
Trigger.lanout[N].Ipaddress
927
Trigger.lanout[N].Logic
928
Trigger.lanout[N].Protocol
928
Trigger.lanout[N].Stimulus
929
Trigger.model.abort()
931
Trigger.model.getblocklist()
931
Trigger.model.getbranchcount()
932
Trigger.model.initiate()
932
Trigger.model.load() - Config List
933
Trigger.model.load() - Duration Loop
934
Trigger.model.load() - Empty
936
Trigger.model.load() - Gradebinning
937
Trigger.model.load() - Logictrigger
939
Trigger.model.load() - Loopuntilevent
940
Trigger.model.load() - Simpleloop
943
Trigger.model.load() - Sortbinning
945
Trigger.model.setblock() - Trigger.block_Branch_Always
946
Trigger.model.setblock() - Trigger.block_Branch_Counter
947
Trigger.model.setblock() - Trigger.block_Branch_Delta
948
Trigger.model.setblock() - Trigger.block_Branch_Limit_Constant
950
Trigger.model.setblock() — Trigger.block_Branch_Limit_Dynamic
951
Trigger.model.setblock() — Trigger.block_Branch_On_Event
952
Trigger.model.setblock() - Trigger.block_Branch_Once
954
Trigger.model.setblock() - Trigger.block_Branch_Once_Excluded
954
Trigger.model.setblock() - Trigger.block_Buffer_Clear
955
Trigger.model.setblock() - Trigger.block_Config_Next
956
Trigger.model.setblock() — Trigger.block_Config_Prev
957
Trigger.model.setblock() - Trigger.block_Config_Recall
959
Trigger.model.setblock() - Trigger.block_Delay_Constant
960
Trigger.model.setblock() — Trigger.block_Delay_Dynamic
961
Trigger.model.setblock() - Trigger.block_Digital_Io
962
Trigger.model.setblock() — Trigger.block_Digitize
963
Trigger.model.setblock() - Trigger.block_Log_Event
964
Trigger.model.setblock() - Trigger.block_Measure
965
Trigger.model.setblock() - Trigger.block_Nop
967
Trigger.model.setblock() - Trigger.block_Notify
967
Trigger.model.setblock() - Trigger.block_Reset_Branch_Count
968
Trigger.model.setblock() - Trigger.block_Source_Output
969
Trigger.model.setblock() - Trigger.block_Source_Pulse_Output
970
Trigger.model.setblock() - Trigger.block_Wait
971
Trigger.model.state()
973
Trigger.timer[N].Clear()
974
Trigger.timer[N].Count
974
Trigger.timer[N].Delay
976
Trigger.timer[N].Delaylist
976
Trigger.timer[N].Enable
977
Trigger.timer[N].Reset()
978
Trigger.timer[N].Start.fractionalseconds
979
Trigger.timer[N].Start.generate
979
Trigger.timer[N].Start.overrun
980
Trigger.timer[N].Start.seconds
981
Trigger.timer[N].Start.stimulus
981
Trigger.timer[N].Wait()
982
Trigger.tsplinkin[N].Clear()
983
Trigger.tsplinkin[N].Edge
984
Trigger.tsplinkin[N].Overrun
984
Trigger.tsplinkin[N].Wait()
985
Trigger.tsplinkout[N].Assert()
986
Trigger.tsplinkout[N].Logic
986
Trigger.tsplinkout[N].Pulsewidth
987
Trigger.tsplinkout[N].Release()
988
Trigger.tsplinkout[N].Stimulus
988
Trigger.wait()
990
Tsplink.group
990
Tsplink.initialize()
991
Tsplink.line[N].Mode
992
Tsplink.line[N].Reset()
993
Tsplink.line[N].State
993
Tsplink.master
994
Tsplink.node
995
Tsplink.readport()
995
Tsplink.state
996
Tsplink.writeport()
996
Tspnet.clear()
997
Tspnet.connect()
998
Tspnet.disconnect()
999
Tspnet.execute()
1000
Tspnet.idn()
1001
Tspnet.read()
1001
Tspnet.readavailable()
1002
Tspnet.reset()
1003
Tspnet.termination()
1004
Tspnet.timeout
1005
Tspnet.tsp.abort()
1005
Tspnet.tsp.abortonconnect
1006
Tspnet.tsp.rbtablecopy()
1007
Tspnet.tsp.runscript()
1008
Tspnet.write()
1008
Upgrade.previous()
1009
Upgrade.unit()
1010
Userstring.add()
1010
Userstring.catalog()
1011
Userstring.delete()
1012
Userstring.get()
1012
Waitcomplete()
1013
Frequently Asked Questions (Faqs)
1014
I See a Command that Is Not in the Manual. What Is It
1015
How Do I Display the Instrument's Serial Number
1015
What VISA Resource Name Is Required
1015
Can I Use Agilent GPIB Cards with Keithley Drivers
1016
How Do I Check the USB Driver for the Device
1016
Which Microsoft Windows Operating Systems Are Supported
1017
What to Do if the GPIB Controller Is Not Recognized
1018
I'M Receiving GPIB Timeout Errors. What Should I Do
1018
How Do I Change the Command Set
1018
How Do I Upgrade the Firmware
1020
Where Can I Find Updated Drivers
1020
Why Can't the Model 2461 Read My USB Flash Drive
1020
How Do I Download Measurements Onto the USB Flash Drive
1021
How Do I Save the Present State of the Instrument
1022
Why DID My Settings Change
1022
What Is NPLC
1023
What Are the Quick Setup Options
1023
What Is the Output-Off State
1024
How Do I Store Readings into the Buffer
1025
What Should I Do if I Get an 5074 Interlock Error
1026
How Do I Trigger a Sweep
1026
What Are Source Limits
1027
What Is Offset Compensation
1027
What Is a Configuration List
1027
Why Do I Keep Seeing the "Undefined Header" Error
1028
Why Do I See the "Incompatible Settings" Message
1028
Why Do I See the "Query Interrupted" Error
1028
Why Do I See the "Query Unterminated" Error
1029
How Do I Use the Digital I/O Port
1029
How Do I Trigger Other Instruments
1029
Next Steps
1030
Additional Model 2461 Information
1030
Maintenance
1031
Introduction
1031
Line Fuse Replacement
1031
Lithium Battery
1031
Front-Panel Display
1031
Cleaning the Front-Panel Display
1032
Abnormal Display Operation
1032
Removing Ghost Images or Contrast Irregularities
1032
Upgrading the Firmware
1033
From the Front Panel
1034
Using SCPI
1034
Using TSP
1035
Using TSB
1036
Common Commands
1037
Introduction
1037
Status Model
1039
Standard Event Register
1039
Programmable Status Register Sets
1051
Status Byte Register
1057
Serial Polling and SRQ
1057
Programming Enable Registers
1060
Reading the Registers
1061
Understanding Bit Settings
1062
Clearing Registers
1063
Status Model Programming Examples
1064
SRQ When the SMU Reaches Its Source Limit
1064
SRQ When Trigger Model Is Finished
1065
SRQ on Trigger Model Notify Event
1066
SRQ on Error
1069
SRQ When Reading Buffer Becomes Full
1069
SRQ When a Measurement Completes
1071
Convert Model 2400 to Model 2461 Code
1073
Introduction
1073
Significant Differences
1073
Acquiring Readings
1073
Display Commands
1074
Making Resistance Measurements
1074
Compliance Is Now Limit
1075
Event Log
1075
Buffers
1075
Sweeps
1076
Trigger Model
1077
Pulsing (Model 2430 Feature
1078
Model 2400 to Model 2461 SCPI Command Cross-Reference
1078
Calculate[1] Subsystem
1078
Calculate2 Subsystem
1079
Calculate3 Subsystem
1082
Display Subsystem
1082
Fetch
1083
Format Subsystem
1083
Measure:<Function
1084
Output Subsystem
1084
Read
1085
Route Subsystem
1085
Sense Subsystem
1085
Source[1] Subsystem
1089
Source2 Subsystem
1094
Status Subsystem
1095
System Subsystem
1097
Trace Subsystem
1100
Trigger Subsystem
1101
Common Commands
1104
Index
1105
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Quick Start Guide
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Keithley 2461 Specifications
General
Brand
Keithley
Model
2461
Category
Measuring Instruments
Language
English
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