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3720-ST
Keithley 3720-ST User Manual
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Section 8
:
Theory of operation
Series 3700A System Switch/Multimeter Reference Manual
8-
10
3700AS-901-01 Rev. D/June 2018
V
MEAS
includes the voltage drops of the input t
est leads (Input HI and I
nput LO). Therefore, th
e actual
voltage drop across the DUT is V
MEAS
minus the two voltage drops in the test
leads. Because
matched inputs are used, t
he voltage drop is 2 × V
LEAD
. Therefore:
V
DUT
= V
MEAS
–
2(V
LEAD
)
Figure
111
: Four-
w
ire ratiometric method
260
262
Table of Contents
Default Chapter
5
Table of Contents
5
Introduction
22
Welcome
22
Extended Warranty
22
Contact Information
22
Product Documentation, Drivers, and Software
23
Organization of Manual Sections
23
Capabilities and Features
24
Measuring Capabilities
25
Displaying the Instrument's Serial Number
25
Installation
28
Weight
28
Rack-Mounting Instructions
28
Tools Required
28
Parts List
28
Prepare the Series 3700A for Rack-Mount Installation
29
Prepare the Rack for Series 3700A Installation
29
Install the Series 3700A
30
Remote Communications Interfaces
31
Supported Remote Interfaces
31
USB Communications
31
GPIB Setup
36
LAN Communications
41
Supplied Software
43
Keithley I/O Layer
46
Addressing Instruments with VISA
50
Digital I/O
53
Port Configuration
54
Digital I/O Configuration
55
Controlling Digital I/O Lines
55
TSP-Link Trigger Lines
57
Starting up Your Instrument
58
Procedure
58
Instrument Description
60
Front Panel Operation
60
The USB Port
61
The Display
61
The Navigation Wheel
63
The POWER Key
63
The Status Lights
64
The Setup and Control Keys
64
Menu Overview
67
Menu Trees
67
Front-Panel Key Menu Options
72
Configuration Menu Options
74
Front Panel Operation
74
Using the Front Panel with Non-Switch Channels
81
Rear Panel Summary
83
Rear Panel Connection Details
83
Saved Setups
89
Saving User Setups
90
Recalling a Saved Setup
90
Start-Up Configuration
90
Saving User Setups from a Remote Interface
91
Save the Present Configuration
92
Create a Configuration Script
94
Running the Configuration Script
94
Using the Web Interface
95
Connect to the Instrument Web Interface
95
Web Interface Home Page
95
Identify the Instrument
95
Log in to the Instrument
96
Card Pages
96
Scan Builder Page
101
DMM Web Page
106
TSB Embedded
107
Unit Page
108
Admin Page
109
LXI Page
109
Basic DMM Operation
112
DMM Measurement Capabilities
112
High-Energy Circuit Safety Precautions
113
Power Circuit Test Procedure
113
Performance Considerations
113
Warmup Time
113
Autozero
114
Line Cycle Synchronization
115
Autodelay
115
Measure Count
116
Change the Display Resolution
117
System Considerations
117
Relationship between DMM Functions and Attributes
117
Relationship between Front Panel Settings and Remote Commands
118
Save DMM Configurations
118
Open and Close Relay Operation
119
Voltage Measurements (DC Volts and AC Volts)
120
Settings Available for Voltage Measurements
121
Autodelay and Autorange Settings
122
Voltage Measurement Connections
122
Voltage Measurement Procedure from the Front Panel
123
Voltage Measurement Procedure Remote Commands
124
Current Measurements (DC Current and AC Current)
125
Settings Available for Current Measurements
125
Autodelay and Autorange Settings
126
Current Measurement Connections
126
Current Measurement Procedure from the Front Panel
126
Current Measurement Procedure through Remote Commands
127
Resistance Measurements
127
DMM Resistance Measurement Methods
127
Settings Available for Resistance Measurements
128
Autodelay and Autorange Settings
129
Resistance Measurement Connections
129
Resistance Measurements from the Front Panel
132
Resistance Measurements through Remote Interface
133
Temperature Measurements
133
Settings Available for Temperature Measurements
133
Autodelay and Autorange Settings
135
Thermocouples
135
Thermistors
138
Rtds (Resistance Temperature Detectors)
140
Temperature Equations
144
Frequency and Period Measurements
152
Settings Available for Frequency and Period Measurements
153
Autodelay and Autorange Settings
153
Trigger Level
153
Gate Time
154
Frequency Connections
154
Frequency and Period Measurement Procedure from Front Panel
154
Frequency and Period Measurement Procedure through Remote Interface
155
Continuity Testing
155
Settings Available for Continuity Testing
156
Autodelay and Autorange Settings
156
Continuity Testing Connections
156
Continuity Testing Procedure
157
Refining Measurements
158
Relative Offset
158
Math Calculations
160
Db Commands
165
Range
166
Optimizing Measurement Speed
168
Optimizing AC Voltage and Current Measurements
171
Optimizing Measurement Accuracy
172
Switching and Scanning
184
Identify Installed Switching Cards
184
Maximum Power Usage with Series 3700A Cards
185
Specifying a Channel
186
Close and Open Channel Operations and Commands
188
Working with Channels
196
Connection Methods for Close Operations
196
Determining the Number of Relay Closures
199
Viewing the Close or Open Status of a Channel
199
Channel Attributes
200
Channel Patterns
202
Reset a Channel
205
Pseudocards
205
Pseudocards Programming Example
206
Scanning and Triggering
206
Trigger Model
207
Scan and Step Counts
208
Basic Scan Procedure
209
Remote Interface Scanning
213
Hardware Trigger Modes
214
Understanding Synchronous Triggering Modes
218
Events
222
LXI Class B and C Triggering (IEEE-1588)
223
Reading Buffers
228
Buffer Overview
228
Front-Panel Buffer Operation
229
Remote Buffer Operation
233
Maintenance
244
Introduction
244
Fuse Replacement
244
AMPS Analog Backplane Fuse Replacement
245
Front Panel Tests
246
Test Procedure
246
Keys Test
246
Display Patterns Test
247
Displaying the Instrument's Serial Number
247
Upgrading the Firmware
248
Upgrading or Downgrading Firmware Using the Front Panel
248
Upgrading or Downgrading Using the Remote Interface
249
Upgrading or Downgrading Firmware Using the Web Interface
249
Upgrading or Downgrading Firmware Using Test Script Builder
250
Theory of Operation
252
Rear Panel, Backplane, and DMM Connect Relays Schematic
252
Line Cycle Synchronization
253
AC Voltage Measurements and Crest Factor
256
DMM Resistance Measurement Methods
258
Constant-Current Source Method
259
Ratiometric Method
260
Reference Junctions
262
Simulated Reference Junction
263
Internal Reference Junction
263
External Reference Junction
263
Open Lead Detection
264
ISOUR Open Voltage
266
VMEAS Open Voltage
266
Calculated Measurement Open Voltage
266
DMM.opendetector Open Voltage
267
4-Wire Dry-Circuit Open Lead Detection
268
Open Thermocouple Detection
269
Accuracy Calculations
271
Calculating DC Characteristics Accuracy
271
Calculating AC Characteristics Accuracy
271
Calculating Db Characteristics Accuracy
272
Additional Derating Factors
272
Understanding Precision Time Protocol (PTP)
273
Introduction to TSP Operation
274
Controlling the Instrument by Sending Individual Command Messages
274
Queries
275
Data Retrieval Commands
276
Information on Scripting and Programming
277
Files
277
Display Operations
283
About TSP Commands
294
Alarms
294
Bit Manipulation and Logic Operations
294
Channel
296
Data Queue
297
Digital I/O
297
Display
298
DMM
298
Error Queue
299
Event Log
300
File I/O
300
Gpib
301
Instrument Identification
301
LAN and LXI
302
Local Node
303
Ptp
303
Reading Buffer
304
Reset
304
Queries and Response Messages
304
Saved Setups
305
Scan
305
Scripting
306
Status Model
306
Slot
307
Time
307
Top Level Instrument Controls
308
Triggering
309
TSP-Link
310
TSP-Net
310
Userstrings
311
Instrument Programming
312
Fundamentals of Scripting for TSP
312
What Is a Script
313
Run-Time and Nonvolatile Memory Storage of Scripts
313
What Can be Included in Scripts
313
Commands that Cannot be Used in Scripts
314
Manage Scripts
314
Working with Scripts in Nonvolatile Memory
320
Run a User Script from the Instrument Front Panel
322
Load a Script from the Instrument Front Panel
323
Save a Script from the Instrument Front Panel
324
Interactive Script
325
Fundamentals of Programming for TSP
326
Introduction
326
What Is Lua
326
Lua Basics
326
Standard Libraries
340
Programming Example: Script with a for Loop
344
Using Test Script Builder (TSB)
344
Installing the TSB Software
346
Installing the TSB Add-In
346
Using Test Script Builder (TSB)
346
Project Navigator
348
Script Editor
348
Outline View
348
Programming Interaction
348
Connecting an Instrument in TSB
349
Creating a New TSP Project
350
Adding a New TSP File to a Project
350
Running a Script
351
Creating a Run Configuration
351
Advanced Scripting for TSP
355
Global Variables and the Script.user.scripts Table
355
Create a Script Using the Script.new() Command
356
Restore a Script to the Run-Time Environment
359
Rename a Script
359
Delete User Scripts from the Instrument
360
Memory Considerations for the Run-Time Environment
361
TSP-Link System Expansion Interface
363
Master and Subordinates
363
TSP-Link System
364
TSP-Link Nodes
364
Connections
365
Initialization
365
Assigning Node Numbers
365
Resetting the TSP-Link Network
366
Front-Panel Operation
366
Remote Programming
366
Using the Expanded System
367
Accessing Nodes
367
Using the Reset() Command
368
Using the Abort Command
368
Triggering with TSP-Link
368
TSP Advanced Features
369
Using Groups to Manage Nodes on TSP-Link Network
369
Assigning Groups
370
Group Leader Overview
370
Master Node Overview
370
Running Simultaneous Test Scripts
370
Coordinating Overlapped Operations in Remote Groups
371
Using the Data Queue for Real-Time Communication
372
Copying Test Scripts Across the TSP-Link Network
372
Removing Stale Values from the Reading Buffer Cache
372
TSP-Net
373
TSP-Net Capabilities
373
Using TSP-Net with any Ethernet-Enabled Device
374
Using TSP-Net with any Ethernet-Enabled Instrument
375
TSP-Net Compared to TSP-Link to Communicate with TSP-Enabled Devices
377
TSP-Net Instrument Commands: General Device Control
378
TSP-Net Instrument Commands: TSP-Enabled Device Control
378
Example: Using Tspnet Commands
379
TSP Command Reference
380
Command Programming Notes
380
Placeholder Text
380
Syntax Rules
381
Using Channel.*() Commands
381
Time and Date Values
383
Using the TSP Command Reference
383
Command Name and Standard Parameters Summary
384
Command Usage
385
Command Details
386
Example Section
386
Related Commands and Information
386
TSP Commands
387
Beeper.beep()
387
Beeper.enable
387
Bit.bitand()
388
Bit.bitor()
388
Bit.bitxor()
389
Bit.clear()
390
Bit.get()
390
Bit.getfield()
391
Bit.set()
392
Bit.setfield()
393
Bit.test()
394
Bit.toggle()
394
Buffervar.appendmode
395
Buffervar.basetimefractional
396
Buffervar.basetimeseconds
397
Buffervar.cachemode
398
Buffervar.capacity
398
Buffervar.channels
399
Buffervar.clear()
400
Buffervar.clearcache()
401
Buffervar.collectchannels
402
Buffervar.collecttimestamps
403
Buffervar.dates
404
Buffervar.formattedreadings
405
Buffervar.fractionalseconds
406
Buffervar.n
407
Buffervar.ptpseconds
407
Buffervar.readings
408
Buffervar.relativetimestamps
409
Buffervar.seconds
411
Buffervar.statuses
412
Buffervar.times
413
Buffervar.timestampresolution
414
Buffervar.timestamps
415
Buffervar.units
416
Channel.calibration.adjustcount()
417
Channel.calibration.adjustdate()
417
Channel.calibration.lock()
419
Channel.calibration.password()
419
Channel.calibration.save()
420
Channel.calibration.step()
421
Channel.calibration.unlock()
423
Channel.calibration.verifydate()
424
Channel.clearforbidden()
425
Channel.close()
425
Channel.connectrule
427
Channel.connectsequential
429
Channel.createspecifier()
430
Channel.exclusiveclose()
431
Channel.exclusiveslotclose()
433
Channel.getbackplane()
434
Channel.getclose()
437
Channel.getcount()
438
Channel.getdelay()
440
Channel.getforbidden()
441
Channel.getimage()
442
Channel.getlabel()
443
Channel.getmatch()
444
Channel.getmatchtype()
445
Channel.getmode()
446
Channel.getoutputenable()
448
Channel.getpole()
449
Channel.getpowerstate()
450
Channel.getstate()
451
Channel.getstatelatch()
453
Channel.gettype()
454
Channel.open()
455
Channel.pattern.catalog()
456
Channel.pattern.delete()
457
Channel.pattern.getimage()
457
Channel.pattern.setimage()
458
Channel.pattern.snapshot()
461
Channel.read()
462
Channel.reset()
463
Channel.resetstatelatch()
465
Channel.setbackplane()
466
Channel.setdelay()
468
Channel.setforbidden()
469
Channel.setlabel()
470
Channel.setmatch()
471
Channel.setmatchtype()
472
Channel.setmode()
473
Channel.setoutputenable()
474
Channel.setpole()
475
Channel.setpowerstate()
478
Channel.setstatelatch()
479
Channel.trigger[N].Clear()
480
Channel.trigger[N].Event_Id
480
Channel.trigger[N].Get()
481
Channel.trigger[N].Set()
482
Channel.trigger[N].Wait()
483
Channel.write()
484
Comm.gpib.enable
485
Comm.lan.enable
485
Comm.lan.rawsockets.enable
486
Comm.lan.telnet.enable
486
Comm.lan.vxi11.Enable
487
Comm.lan.web.enable
488
Createconfigscript()
489
Dataqueue.add()
489
Dataqueue.capacity
490
Dataqueue.clear()
491
Dataqueue.count
492
Dataqueue.next()
493
Delay()
494
Digio.readbit()
494
Digio.readport()
495
Digio.trigger[N].Assert()
495
Digio.trigger[N].Clear()
496
Digio.trigger[N].Event_Id
496
Digio.trigger[N].Mode
497
Digio.trigger[N].Overrun
498
Digio.trigger[N].Pulsewidth
499
Digio.trigger[N].Release()
500
Digio.trigger[N].Reset()
500
Digio.trigger[N].Stimulus
501
Digio.trigger[N].Wait()
503
Digio.writebit()
503
Digio.writeport()
504
Digio.writeprotect
505
Display.clear()
505
Display.getannunciators()
506
Display.getcursor()
507
Display.getlastkey()
508
Display.gettext()
509
Display.inputvalue()
510
Display.loadmenu.add()
512
Display.loadmenu.catalog()
513
Display.loadmenu.delete()
514
Display.locallockout
514
Display.menu()
515
Display.prompt()
516
Display.screen
517
Display.sendkey()
518
Display.setcursor()
519
Display.settext()
520
Display.trigger.event_Id
521
Display.waitkey()
521
DMM.adjustment.count
523
DMM.adjustment.date
523
DMM.aperture
524
DMM.appendbuffer()
525
DMM.autodelay
527
DMM.autorange
528
DMM.autozero
529
DMM.buffer.catalog()
531
DMM.buffer.info()
531
DMM.buffer.maxcapacity
533
DMM.buffer.usedcapacity
533
DMM.calibration.ac()
534
DMM.calibration.DC()
535
DMM.calibration.lock()
535
DMM.calibration.password
536
DMM.calibration.save()
536
DMM.calibration.unlock()
537
DMM.calibration.verifydate
538
DMM.close()
539
DMM.configure.catalog()
540
DMM.configure.delete()
541
DMM.configure.query()
542
DMM.configure.recall()
544
DMM.configure.set()
545
DMM.connect
547
DMM.dbreference
549
DMM.detectorbandwidth
550
DMM.displaydigits
551
DMM.drycircuit
552
DMM.filter.count
553
DMM.filter.enable
554
DMM.filter.type
555
DMM.filter.window
556
DMM.func
556
DMM.getconfig()
560
DMM.inputdivider
561
DMM.limit[Y].Autoclear
562
DMM.limit[Y].Clear()
563
DMM.limit[Y].Enable
563
DMM.limit[Y].High.fail
566
DMM.limit[Y].High.value
568
DMM.limit[Y].Low.fail
570
DMM.limit[Y].Low.value
572
DMM.linesync
574
DMM.makebuffer()
575
DMM.math.enable
577
DMM.math.format
579
DMM.math.mxb.bfactor
580
DMM.math.mxb.mfactor
581
DMM.math.mxb.units
582
DMM.math.percent
582
DMM.measure()
584
DMM.measurecount
585
DMM.measurewithtime()
586
DMM.measurewithptp()
587
DMM.nplc
588
DMM.offsetcompensation
589
DMM.open()
590
DMM.opendetector
592
DMM.range
593
DMM.refjunction
594
DMM.rel.acquire()
595
DMM.rel.enable
596
DMM.rel.level
597
DMM.reset()
598
DMM.rtdalpha
599
DMM.rtdbeta
600
DMM.rtddelta
601
DMM.rtdzero
603
DMM.savebuffer()
604
DMM.setconfig()
606
DMM.simreftemperature
607
DMM.thermistor
608
DMM.thermocouple
609
DMM.threertd
610
DMM.threshold
611
DMM.transducer
612
DMM.units
613
Errorqueue.clear()
614
Errorqueue.count
614
Errorqueue.next()
615
Eventlog.all()
616
Eventlog.clear()
617
Eventlog.count
617
Eventlog.enable
618
Eventlog.next()
619
Eventlog.overwritemethod
620
Exit()
620
Filevar:close()
621
Filevar:flush()
621
Filevar:read()
622
Filevar:seek()
623
Filevar:write()
624
Format.asciiprecision
624
Format.byteorder
625
Format.data
626
Fs.chdir()
627
Fs.cwd()
628
Fs.is_Dir()
628
Fs.is_File()
628
Fs.mkdir()
629
Fs.readdir()
629
Fs.rmdir()
630
Gettimezone()
630
Gpib.address
631
Io.close()
632
Io.flush()
632
Io.input()
633
Io.open()
634
Io.output()
634
Io.read()
635
Io.type()
636
Io.write()
636
Lan.applysettings()
637
Lan.config.dns.address[N]
637
Lan.config.dns.domain
638
Lan.config.dns.dynamic
639
Lan.config.dns.hostname
639
Lan.config.dns.verify
640
Lan.config.gateway
641
Lan.config.ipaddress
641
Lan.config.method
642
Lan.config.subnetmask
643
Lan.lxidomain
643
Lan.nagle
644
Lan.reset()
644
Lan.restoredefaults()
644
Lan.status.dns.address[N]
645
Lan.status.dns.name
646
Lan.status.duplex
647
Lan.status.gateway
647
Lan.status.ipaddress
648
Lan.status.macaddress
648
Lan.status.port.dst
649
Lan.status.port.rawsocket
649
Lan.status.port.telnet
650
Lan.status.port.vxi11
650
Lan.status.speed
651
Lan.status.subnetmask
651
Lan.trigger[N].Assert()
652
Lan.trigger[N].Clear()
652
Lan.trigger[N].Connect()
653
Lan.trigger[N].Connected
654
Lan.trigger[N].Disconnect()
655
Lan.trigger[N].Event_Id
655
Lan.trigger[N].Ipaddress
656
Lan.trigger[N].Mode
656
Lan.trigger[N].Overrun
657
Lan.trigger[N].Protocol
658
Lan.trigger[N].Pseudostate
659
Lan.trigger[N].Stimulus
659
Lan.trigger[N].Wait()
661
Localnode.define
662
Localnode.description
663
Localnode.emulation
663
Localnode.linefreq
664
Localnode.model
665
Localnode.password
665
Localnode.passwordmode
666
Localnode.prompts
667
Localnode.prompts4882
668
Localnode.reset()
668
Localnode.revision
669
Localnode.serialno
670
Localnode.showerrors
670
Makegetter()
671
Makesetter()
671
Memory.available()
672
Memory.used()
673
Node[N].Execute()
674
Node[N].Getglobal()
675
Node[N].Setglobal()
675
Opc()
676
Os.time()
676
Print()
677
Printbuffer()
678
Printnumber()
681
Ptp.domain
682
Ptp.ds.info
682
Ptp.enable
684
Ptp.portstate
684
Ptp.slavepreferred
685
Ptp.time()
686
Ptp.utcoffset
686
Reset()
687
Scan.abort()
687
Scan.add()
688
Scan.addimagestep()
690
Scan.addwrite()
691
Scan.background()
692
Scan.bypass
693
Scan.create()
694
Scan.execute()
696
Scan.list()
697
Scan.measurecount
699
Scan.mode
700
Scan.nobufferbackground()
701
Scan.nobufferexecute()
702
Scan.reset()
703
Scan.scancount
704
Scan.state()
705
Scan.stepcount
706
Scan.trigger.arm.clear()
706
Scan.trigger.arm.set()
707
Scan.trigger.arm.stimulus
707
Scan.trigger.channel.clear()
709
Scan.trigger.channel.set()
709
Scan.trigger.channel.stimulus
710
Scan.trigger.clear()
711
Scan.trigger.measure.clear()
712
Scan.trigger.measure.set()
712
Scan.trigger.measure.stimulus
713
Scan.trigger.sequence.clear()
714
Scan.trigger.sequence.set()
715
Scan.trigger.sequence.stimulus
715
Schedule.alarm[N].Enable
717
Schedule.alarm[N].Event_Id
717
Schedule.alarm[N].Fractionalseconds
718
Schedule.alarm[N].Period
719
Schedule.alarm[N].Ptpseconds
719
Schedule.alarm[N].Repetition
720
Schedule.alarm[N].Seconds
720
Schedule.disable()
721
Script.anonymous
721
Script.delete()
722
Script.load()
722
Script.new()
723
Script.newautorun()
724
Script.restore()
725
Script.run()
726
Script.user.catalog()
726
Scriptvar.autorun
727
Scriptvar.list()
727
Scriptvar.name
728
Scriptvar.run()
729
Scriptvar.save()
730
Scriptvar.source
730
Settime()
731
Settimezone()
732
Setup.cards()
733
Setup.poweron
734
Setup.recall()
735
Setup.save()
735
Slot[Slot].Banks.matrix
736
Slot[Slot].Columns.matrix
737
Slot[Slot].Commonsideohms
737
Slot[Slot].Digio
738
Slot[Slot].Endchannel
738
Slot[Slot].Idn
741
Slot[Slot].Interlock.override
741
Slot[Slot].Interlock.state
742
Slot[Slot].Isolated
743
Slot[Slot].Matrix
743
Slot[Slot].Maxvoltage
744
Slot[Slot].Multiplexer
744
Slot[Slot].Poles.four
745
Slot[Slot].Poles.one
745
Slot[Slot].Poles.two
746
Slot[Slot].Pseudocard
746
Slot[Slot].Rows.matrix
748
Slot[Slot].Startchannel
748
Slot[Slot].Tempsensor
751
Slot[Slot].Thermal.state
752
Status.condition
752
Status.measurement
754
Status.node_Enable
756
Status.node_Event
758
Status.operation.*
760
Status.operation.user
762
Status.questionable
764
Status.request_Enable
766
Status.request_Event
768
Status.reset()
770
Status.standard
770
Status.system
772
Status.system2
774
Status.system3
777
Status.system4
779
Status.system5
781
Timer.measure.t()
783
Timer.reset()
784
Trigger.blender[N].Clear()
785
Trigger.blender[N].Event_Id
785
Trigger.blender[N].Orenable
786
Trigger.blender[N].Overrun
786
Trigger.blender[N].Reset()
787
Trigger.blender[N].Stimulus[M]
788
Trigger.blender[N].Wait()
789
Trigger.clear()
790
Trigger.event_Id
790
Trigger.timer[N].Clear()
791
Trigger.timer[N].Count
791
Trigger.timer[N].Delay
792
Trigger.timer[N].Delaylist
793
Trigger.timer[N].Event_Id
794
Trigger.timer[N].Overrun
794
Trigger.timer[N].Passthrough
795
Trigger.timer[N].Reset()
795
Trigger.timer[N].Stimulus
796
Trigger.timer[N].Wait()
798
Trigger.wait()
798
Tsplink.group
799
Tsplink.master
800
Tsplink.node
800
Tsplink.readbit()
801
Tsplink.readport()
801
Tsplink.reset()
802
Tsplink.state
803
Tsplink.trigger[N].Assert()
803
Tsplink.trigger[N].Clear()
804
Tsplink.trigger[N].Event_Id
804
Tsplink.trigger[N].Mode
805
Tsplink.trigger[N].Overrun
806
Tsplink.trigger[N].Pulsewidth
807
Tsplink.trigger[N].Release()
807
Tsplink.trigger[N].Reset()
808
Tsplink.trigger[N].Stimulus
809
Tsplink.trigger[N].Wait()
810
Tsplink.writebit()
811
Tsplink.writeport()
811
Tsplink.writeprotect
812
Tspnet.clear()
813
Tspnet.connect()
813
Tspnet.disconnect()
815
Tspnet.execute()
815
Tspnet.idn()
816
Tspnet.read()
817
Tspnet.readavailable()
818
Tspnet.reset()
819
Tspnet.termination()
819
Tspnet.timeout
820
Tspnet.tsp.abort()
821
Tspnet.tsp.abortonconnect
821
Tspnet.tsp.rbtablecopy()
822
Tspnet.tsp.runscript()
823
Tspnet.write()
824
Upgrade.previous()
825
Upgrade.unit()
825
Userstring.add()
826
Userstring.catalog()
826
Userstring.delete()
827
Userstring.get()
828
Waitcomplete()
829
Troubleshooting Guide
830
Contacting Support
830
USB Troubleshooting
831
Check Driver for the USB Test and Measurement Device
831
Troubleshooting GPIB Interfaces
833
Controller (Hardware) Not Recognized
833
Timeout Errors
834
Troubleshooting LAN Interfaces
834
Verify Connections and Settings
834
Use Ping to Test the Connection
835
Open Ports on Firewalls
835
Web Page Problems
835
LXI LAN Status Indicator
836
Initialize the LAN Configuration
836
Use the LXI Discovery Tool
836
Communicate Using VISA Communicator
837
Wireshark
837
Testing the Display, Keys, and Channel Matrix
837
Verify Front Panel Key Operation
837
Verify Display Operation
837
Update Drivers
838
Error and Status Messages
838
Error Summary List
838
Effects of Errors on Scripts
838
Retrieving Errors
839
Error and Status Message List
839
Frequently Asked Questions
848
How Do I Get My LAN or Web Connection to Work
848
Why Can't I Close a Channel
848
How Do I Know if an Error Has Occurred on My Instrument
849
How Do I Find the Serial Number and Firmware Version
850
Why Can't the Series 3700A Read My USB Flash Drive
850
Next Steps
851
Additional Series 3700A Information
851
LAN Concepts and Settings
852
Overview
852
Establishing a Point-To-Point Connection
852
Step 1: Identify and Record the Existing IP Configuration
853
Step 2: Disable DHCP to Use the Computer's Existing IP Address
854
Step 3: Configure the Instrument's LAN Settings
858
Step 4: Install the Crossover Cable
859
Step 5: Access the Instrument's Web Page
860
Connecting to the LAN
860
Setting the LAN Configuration Method
861
Setting the IP Address
861
Setting the Gateway
861
Setting the Subnet Mask
862
Configuring the Domain Name System (DNS
862
LAN Speeds
863
Duplex Mode
863
Viewing LAN Status Messages
864
Viewing the Network Settings
864
Confirming the Active Speed and Duplex Negotiation
865
Confirming Port Numbers
865
Selecting a LAN Interface Protocol
865
VXI-11 Connection
866
Raw Socket Connection
866
Dead Socket Connection
866
Telnet Connection
866
Logging LAN Trigger Events in the Event Log
869
Verification and Adjustment
872
Verification
872
Verification Test Requirements
873
Performing the Verification Test Procedures
875
Series 3700A Verification Tests
876
Adjustment
891
Environmental Conditions
892
Adjustment Considerations
892
Adjustment
893
Remote Adjustment Procedure
894
Status Model
906
Overview
906
Status Byte Register
906
Status Model Diagrams
908
Status Byte Register Overview
908
Measurement Summary Bit (Measurement Event Register
909
System Summary Bit (System Register
910
Standard Event Register
912
Error Available Bit (Error or Event Queue
913
Questionable Summary Bit (Questionable Event Register
914
Message Available Bit (Output Queue
915
Event Summary Bit (ESB Register
915
Master Summary Status Bit (MSS Bit Register
916
Operation Summary Bit (Operation Event Register
917
Status Function Summary
918
Clearing Registers
918
Startup State
919
Programming and Reading Registers
919
Programming Enable and Transition Registers
919
Reading Registers
920
Register Programming Example
920
Status Byte and Service Request (SRQ
920
Service Request Enable Register
921
Status Byte Register
921
Serial Polling and SRQ
922
SPE, SPD (Serial Polling
923
Service Requests
923
Status Byte and Service Request Commands
924
Enable and Transition Registers
924
Controlling Node and SRQ Enable Registers
924
TSP-Link System Status
925
Status Model Configuration Example
925
Index
928
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Installation Instructions
11 pages
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Keithley 3720-ST Specifications
General
Brand
Keithley
Model
3720-ST
Category
Multimeter
Language
English
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