Keysight E4980AL - Page 461

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Keysight E4980A/AL User’s Guide -461

Bias Current Interface

Preparation

Figure D-1 Cable connection for an E4980A (20 A) system

Main Page

Table of Contents3
Unpacking and Preparation17
Contents of this Chapter17
Checking the Shipment18
Preparations before Use20
Verifying the Power Supply20
Setting up the Fuse20
Verifying and Connecting the Power Cable21
How to Remove the Handle23
Caution When Using the Handle24
Environmental Requirements25
Operating Environments25
Ventilation Requirements26
Protection against Electrostatic Discharge (ESD)27
Ensuring Adequate Free Space Around the LCR Meter for Immediate Disconnection of the Power Cable in Case of Emergency27
Starting the E4980A/AL28
Turning the Power on and off28
Disconnecting from the Supply Source29
Overview31
Product Introduction31
Front Panel: Names and Functions of Parts32
Power Switch33
Lcd33
Softkeys33
Menu Keys33
Cursor Keys33
Entry Keys34
LED Indicator34
Preset Key34
Trigger Key34
DC Bias Key34
DC Source Key34
UNKNOWN Terminals35
Front USB Port35
Ground Terminal36
DC Source Terminal36
Rear Panel: Names and Functions of Parts37
GPIB Interface Connector37
Interface Connector37
USB (USBTMC) Interface Port38
LAN Port38
External Trigger Input Connector38
Serial Number Plate38
Power Cable Receptacle (to LINE)39
Fan39
Screen Area: Names and Functions of Parts40
Display40
Comment Line Area40
Softkey Area41
Measurement Data/Conditions Area41
Input Line Area42
System Message Area42
Status Display Area42
Basic Operation43
How to Use Cursor Keys43
How to Use Skip Keys44
Display Format45
MEAS DISPLAY Page45
Measurement Function47
Impedance Range51
Test Frequency58
Test Signal Level61
DC Bias64
Measurement Time Mode68
Display Setting for Measurement Results69
Displaying Errors Instead of Measurement Results71
Monitor Information75
BIN NO. DISPLAY Page76
Comparator Function ON/OFF77
BIN COUNT DISPLAY Page79
Counter Function81
LIST SWEEP DISPLAY Page82
Sweep Mode84
DISPLAY BLANK Page86
Configuring Measurement Conditions (Display and Function Related Settings)87
Initializing the Instrument87
MEAS SETUP Page88
Comment Line90
Trigger Mode91
Automatic Level Control93
DC Bias Current Isolation97
Averaging Factor98
Trigger Delay Time99
Step Delay Time101
DC Bias Voltage Monitor103
DC Bias Current Monitor104
DCR Range105
DCI Range106
DC Source107
Automatic Bias Polarity Control108
Deviation Measurement110
CORRECTION Page112
To Set the Correction Function to on or off113
The Correction Functions of the E4980A/AL Are Operated as Follows114
Open Correction115
Short Correction119
Correction Based on User-Specified Frequency Points121
Relationships between Correction Based on All Frequency Points and Correction Based on Specified Frequency Points128
Reading/Writing Correction Data130
Measurement Functions for the Standard131
Selecting Single/Multiple Correction Mode132
Selecting the Cable Length133
LIMIT TABLE SETUP Page134
Parameter Swap Feature135
Comparator Limit Mode137
Tolerance Mode Nominal Value139
Turning On/Off the Comparator140
Turning On/Off the Auxiliary bin141
Beep Feature143
Lower and Upper Limits144
LIST SWEEP SETUP Page147
Sweep Mode148
List Sweep Parameters149
Sweep Points and Limit Modes150
Sweep Parameter Auto-Completion153
System Configurations155
SYSTEM INFO Page155
Handler Interface156
Scanner Interface157
Monitor Information157
SYSTEM CONFIG Page158
Turning On/Off the Beep Feature159
Changing the Beep Tone160
Changing the Beep Tone161
Configuring the System Date161
Configuring the GPIB Address163
Configuring the LAN IP Address164
SELF TEST Page166
Choosing a Test Item167
SERVICE Page168
Monitor Information169
Saving the System Information into External Memory169
Save/Recall171
Overview of Save/Recall Functionality171
Save Methods and Their Uses171
Folder/File Structure on USB Memory172
USB Memory Notes173
Saving/Recalling Instrument Configuration States174
Overview of Instrument Configurations174
Medium Mode175
Choosing a Register Number176
Memory Status Information176
Comment Information177
Saving/Recalling Instrument Configuration States Into/From the Internal Memory177
Saving/Recalling Instrument Configuration States Into/From USB Memory179
Using the Auto Recall Feature181
Saving Measurement Results into USB Memory182
Measurement Result Format182
To Save Measurement Results into USB Memory185
How to Save the Measurement Result of List Sweep Measurement to USB Memory186
Saving a Screenshot into USB Memory188
To Save a Screenshot into USB Memory188
Measurement Procedure and Examples189
Basic Measurement Procedure189
Impedance Parameters191
Parallel/Series Circuit Mode194
Selecting Circuit Mode of Capacitance195
Selecting Circuit Mode of Inductance196
Test Signal Level197
Test Signal Level Across the DUT197
Test Signal Level Setting198
Four-Terminal Pair Configuration199
Measurement Contacts201
Capacitance to Ground201
Contact Resistance203
Extending Test Leads204
Guarding for Measurement of Low Capacitance Values206
Shielding207
Correction Functions208
Performing OPEN Correction210
Performing SHORT Correction210
Performing LOAD Correction210
Parasitics Incident to DUT Connection212
Characteristics Example213
Capacitor Measurements215
Inductance Measurements218
Measurements Using DC Source221
Overview of Remote Control225
Types of Remote Control System225
GPIB Remote Control System226
What Is GPIB226
System Configuration226
Device Selector227
LAN Remote Control System228
System Configuration228
Control over SICL-LAN Server230
Control over Telnet Server234
Control Via Web Server237
USB Remote Control System240
System Configuration240
Sending SCPI Command Messages246
Types and Structure of Commands246
Grammar of Messages247
Remote Mode248
Trigger System249
System-Wide States and Transitions249
Data Buffer Memory255
When Data Buffer Memory Is Used256
Output Format of Data Buffer Memory258
Starting a Measurement Cycle (Triggering the Instrument)260
Configuring the Instrument to Automatically Perform Continuous Measurement260
Starting Measurement on Demand260
Waiting for the End of Measurement262
Using the Status Register262
Data Transfer264
Data Format264
Status Byte270
Enabling the Status Byte272
Operation Status Register Structure273
Standard Event Status Register276
Enabling the Event Status Register279
Sample Program281
Set up Measurement Conditions and LCD Display281
Detecting End of Measurement286
Read Measurement Results290
Read Measurement Data in ASCII Format (Comparator)290
Read Measurement Data in ASCII Format (Data Buffer Memory)293
Read Measurement Data in ASCII Format (List Sweep)296
Read Measurement Data in BINARY (Comparator)299
Read Measurement Data in BINARY Format (Data Buffer Memory)303
Read Measurement Data in BINARY Format (List Sweep)306
Save/Recall309
Read/Write Correction Data at Specified Frequency Points312
SCPI Command Reference319
Notational Conventions in this Command Reference320
Syntax320
Description320
Parameters320
Equivalent Key321
E4980A/AL Commands322
Cls322
Ese322
Esr322
Idn323
Lrn323
Opc323
Opt323
Rst323
Sre324
Stb324
Trg324
Tst324
Wai325
Abort325
Amplitude:alc325
Aperture325
Bias:current[:Level]326
Bias:polarity:auto327
Bias:polarity:current[:Level]327
Bias:polarity:voltage[:Level]327
Bias:range:auto327
Bias:state328
Bias:voltage[:Level]328
Comparator:abin329
Comparator:beeper329
Comparator:bin:clear330
Comparator:bin:count:clear330
Comparator:bin:count:data330
Comparator:bin:count[:State]330
Comparator:mode331
Comparator:sequence:bin331
Comparator:slimit332
Comparator[:State]332
Comparator:swap333
Comparator:tolerance:bin[1-9]333
Comparator:tolerance:nominal334
Control:cbias:state334
Control:handler:state334
Control:scanner:state335
Correction:length335
Correction:load:state336
Correction:load:type336
Correction:method337
Correction:open[:Execute]338
Correction:open:state338
Correction:short[:Execute]338
Correction:short:state338
Correction:spot[1-201]:Frequency339
Correction:spot[1-201]:Load[:Execute]339
Correction:spot[1-201]:Load:standard339
Correction:spot[1-201]:Open[:Execute]340
Correction:spot[1-201]:Short[:Execute]340
Correction:spot[1-201]:State340
Correction:use[:Channel]341
Correction:use:data[:Multi]341
Correction:use:data:single342
Current[:Level]343
Display:cclear343
Display:enable343
Display:line344
Display:page344
Display[:Window]:Text[1-2][:DATA]:FMSD:DATA345
Display[:Window]:Text[1-2][:Data]:Fmsd[:State]346
Fetch[:Impedance]:Corrected346
Fetch[:Impedance][:Formatted]346
Fetch:smonitor:iac347
Fetch:smonitor:IDC347
Fetch:smonitor:vac347
Fetch:smonitor:VDC347
Format:ascii:long347
Format:border348
Format[:Data]348
Format:exponent:digit349
Frequency[:Cw]349
Function:dcresistance:range:auto350
Function:dcresistance:range[:Value]350
Function:dev[1-2]:MODE350
Function:dev[1-2]:Reference:fill351
Function:dev[1-2]:Reference[:Value]351
Function:impedance:range:auto352
Function:impedance:range[:Value]352
Function:impedance[:Type]353
Function:smonitor:iac[:State]354
Function:smonitor:IDC[:State]354
Function:smonitor:vac[:State]355
Function:smonitor:VDC[:State]355
Hcopy:sdump:data356
Initiate:continuous356
Initiate[:Immediate]357
List:band[1-201]357
List:bias:current358
List:bias:voltage358
List:clear:all358
List:current359
List:dcsource:voltage359
List:frequency360
List:mode360
List:sequence:tstamp:clear360
List:sequence:tstamp:data361
List:stimulus:data361
List:stimulus:mdata362
List:stimulus:type362
List:voltage363
Memory:clear363
Memory:DIM364
Memory:fill364
Memory:read364
Mmemory:delete[:Register]365
Mmemory:load:state[:Register]365
Mmemory:store:state[:Register]365
Output:DC:isolation:level:auto366
Output:DC:isolation:level:value366
Output:DC:isolation[:State]367
Output:hpower367
Source:dcsource:state367
Source:dcsource:voltage[:Level]368
Status:operation:condition368
Status:operation:enable369
Status:operation[:Event]369
System:beeper[:Immediate]369
System:beeper:state369
System:beeper:tone370
System:communicate:gpib[:Self]:Address370
System:communicate:lan[:Self]:Address371
System:communicate:lan[:Self]:Aip[:State]371
System:communicate:lan[:Self]:Configure372
System:communicate:lan[:Self]:Control372
System:communicate:lan[:Self]:Current:address372
System:communicate:lan[:Self]:Current:dgateway372
System:communicate:lan[:Self]:Current:smask373
System:communicate:lan[:Self]:Dgateway373
System:communicate:lan[:Self]:Dhcp[:State]373
System:communicate:lan[:Self]:Mac374
System:communicate:lan[:Self]:Preset374
System:communicate:lan[:Self]:Restart374
System:communicate:lan[:Self]:Smask374
System:date375
System:error[:Next]376
System:klock376
System:persona:manufacturer[:Name]376
System:persona:manufacturer:default376
System:preset377
System:restart377
System:time377
Trigger:delay378
Trigger[:Immediate]378
Trigger:source378
Trigger:tdel379
Voltage[:Level]379
Command List381
List by Function381
Command Tree388
Softkey Functions397
Data Processing415
Specifications and Supplemental Information417
Precautions for Use and Daily Checks419
Precautions for Use419
Avoiding Improper Input from the Front Panel (Key Lock Function)419
Daily Checks (Executing the Self-Test)421
Self-Test at Power on421
Executing the Self-Test from the Front Panel421
Cleaning this Instrument423
Unknown Terminals/DC Source Ports423
Cleaning Parts Other than Unknown Terminals and DC Source Ports423
Cautions Applicable to Requesting Repair, Replacement, Regular Calibration, Etc424
Caution When Sending the Unit424
Recommended Calibration Period424
Troubleshooting425
Primary Trouble Isolation425
Check Items When Trouble Occurs427
The System Does Not Start up (Nothing Is Displayed)427
The System Starts Up, but the Normal Measurement Screen Does Not Appear (Service Mode)427
An Overload Message Is Displayed427
Beeping Persists When Turning on the Comparator Function428
The Front Panel Keys Are Unavailable428
Clearly Abnormal Measured Value428
Saving to USB Memory Fails429
An Error Message or Warning Message Is Displayed429
Check Items When Trouble Occurs During Remote Control430
The Instrument Does Not Respond to the External Controller or Malfunctions430
You Cannot Read out the Measured Value430
An Error Message Is Displayed430
A.manual Changes431
Manual Changes431
Change 5432
Change 4432
Change 3432
Change 2432
Change 1432
B.error Messages435
Error Messages435
Error Messages Category435
GPIB Devices in IEEE488.2436
Setup440
Hardware444
Warning Messages446
Numeric446
C.list of Default Values449
List of Default Values, Save/Recall Settings, and Backup Settings450
List of Default Values451
List of LAN Factory Default Settings455
D.bias Current Interface457
Product Overview458
42841A Bias Current Source458
Operation Limitations458
Specifications When Measuring with the 42841A459
Preparation460
Equipment Requirements460
Cable Connection460
Measurement Procedures464
E.handler Interface465
Overview465
Specifications466
Output Signals466
Input Signals466
Signal Line Definitions467
Signal Line Definitions for the Comparator467
Signal Line Definitions for the List Sweep Comparator473
Electrical Characteristics478
DC Isolation Output Signals478
DC Isolation Input Signals (Photo-Coupled)480
Setting up the Handler Interface Board483
Using the Handler Interface490
Setting up the Handler Interface for Use with the Comparator490
Setting up the Handler Interface Board for Use with the List Sweep Comparator491
Signals Activated When Overload Occurs492
F.scanner Interface493
Overview494
Specifications495
Supplemental Performance Characteristics495
Signal Input/Output Connector496
Scanner Interface Input/Output Signals496
Scanner Interface I/O Connector Pin Assignments498
Timing Chart500
Electrical Characteristics of the Input/Output Signals504
Channel Selection Input Signals504
External Trigger Input Signals504
Control Output Signals507
Setting up the Scanner Interface Board508
How to Use the Scanner Interface Board510
Basic Procedure510
Activating Scanner Interface512
Correction Mode512
Test Frequency and Reference Value Entry512
Correction Data Selection514
Correction Data Measurements516
Activating the Correction Function517
Correction Data Confirmation517
G.functional Comparison between 4284A, 4279A and E4980A/AL521
Functional Comparison between 4284A, 4279A, and E4980A/AL521

Keysight E4980AL - Page 461

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