Agilent Technologies 4263B - Reading out Result in ASCII Transfer Format Using the:FETC Command

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4263B

Figure 4-6.

Reading out the measured result in ASCII transfer

format using the :FETC? command

4-22 Remote Operation (To Control from a Computer)

Main Page

Manual Change1
Safety Summary22
Caution26
Serial Numbers28
Manual Printing History30
Safety Symbols34
Contents of the Manual36
Contents38
Figures48
Tables50
Getting Started52
Overview53
Features53
Accessories Available54
Options Available54
Guided Tours of Panels55
Front Panel55
Height57
Display58
Rear Panel59
Incoming Inspection60
Providing Clearance to Dissipate Heat at Installation Site60
Instruction for Cleaning60
Power Cable61
Preparation for Tuning on63
Setting the Line Voltage63
Fuse63
Voltage Selector and Fuse63
Tunring on the 4263B and Setting the Line Frequency64
Using the Front-Panel Keys65
Direct Execution Type Keys65
Toggle Type Keys65
Selection Type Keys65
Value Setup Type Keys66
Numeric Keys66
Minimum and Maximum Keys67
Up/Right, Down/Left Arrow Keys67
Back Space Key68
Basic Operation69
Connecting a Test Fixture70
Resetting the 4263B71
Selecting the Measurement Parameter72
Setting the Test Signal Frequency73
Selecting the Measurement Range73
Auto Range Mode73
Hold Range Mode73
Setting the Test Signal Level74
Matching the Cable Length74
Performing the Open Correction75
Performing the Short Correction76
Performing the Load Correction77
Operating the 4263B80
Measurement Configuration80
Selecting Measurement Time Mode80
Setting the Averaging Rate80
Setting Trigger Delay Time81
Setting Contact Check81
Setting the Beeper Mode82
Setting the Level Monitor Mode82
Triggering a Measurement83
Applying the DC Bias83
Using the Internal DC Bias Source83
Using an External DC Bias Source84
Using the Comparator Function84
Display Configuration85
Displaying Deviation Data85
Setting the Reference Value85
Selecting the Deviation Display Mode86
Changing the Measurement Settings Display Mode87
Setting the Display Digit and Display Mode88
Locking out the Front Panel Keys88
Returning the Local Mode89
Setting the GPIB Address89
Saving and Recalling Instrument Settings89
Printing Measurement Data90
Testing the 4263B91
Performing a Self-Test91
Testing the Front Panel Keys' Functionality91
If You Have a Problem93
If the Display Is Blank and the 4263B Appears Dead93
If an Error Message Is Displayed93
If the 4263B Does Not Accept any Key Input93
Function Reference and Technical Information94
Line Switch96
Chassis Terminal96
DC Bias Key97
Measurement Parameter Key97
Deviation Mode Key98
Measurement Time Key98
Average Key98
Frequency Key99
Display Mode Key99
Measurement Settings Display Key99
Level Monitor Key99
Level Key100
DC Bias Setup Key100
Auto/Hold Range Key100
Range Setup Key101
Trigger Key101
Measurement Range Selection101
Displayable Range101
Trigger Mode Key102
Delay Key102
Local Key102
Address Key103
Save Key103
Recall Key103
Comparator Limit Keys104
Left/Down Arrow Key and Up/Right Arrow Key104
Shift Key104
Engineering Units Key104
Minimum Key105
Maximum Key105
Open Key106
Short Key107
Load Key108
Comparator Key109
Contact Check Key110
Cable Key111
Key Lock Key111
Reset Key112
Configuration Key113
External Trigger Terminal114
Required External Trigger Pulse Specification114
External DC Bias Terminal115
LINE Fuse Holder115
LINE Voltage Selector115
Serial Number Plate115
Handler Interface116
Specification116
Pin Assignment of Handler Interface Connector116
Timing Diagram118
GPIB Interface119
GPIB Interface Capability119
Technical Information120
Overall Impedance Measurement Theory120
Simplified Model of Impedance Measurement120
Vector Representation of Impedance120
Relationship between Impedance and Admittance121
Vector Representation of Admittance121
Relationship between Measurement Parameters122
Transformer Parameters Measurement123
Basic Transformer Measurement Setup123
Test Current Level125
Test Signal for DCR Measurement125
Test Current Transient126
Test Signal Transient in DC Resistance Measurement127
Remote Operation128
Input/Output Statements129
Reading the GPIB Address129
Sending a Remote Command129
Returning to Local Mode130
Query Commands130
Getting Data from the 4263B130
Simple Program Example131
To Set up the 4263B132
To Reset the 4263B132
To Set the Power Line Frequency132
To Match Cable Length of the Test Fixture132
To Select the Test Signal Frequency134
To Select the Test Signal Level134
To Select Measurement Range134
To Apply a DC Bias135
To Perform Correction135
To Select Measurement Time Mode136
To Set the Averaging Rate137
To Set Trigger Delay Time137
To Set Beeper Mode137
To Use the Comparator Function137
To Display a Deviation Measurement138
To Wait until Previously Sent Commands Are Completed138
To Get the Current Instrument Settings139
To Save and Recall Instrument Settings139
To Trigger a Measurement140
Starting up the Trigger System at Your Desired Time140
Waiting for Completion of Measurement141
SRQ Generation Sequence141
Sample Program142
Detecting the Completion of Measurement Using SRQ142
Reading out Measured Result143
Reading out Measured Result Using TRG Command144
Reading out Result in ASCII Transfer Format by Using TRG Command145
Reading out Result in Binary Transfer Format Using TRG Command147
Reading out Measured Result Using :FETC Command148
Reading out Result in ASCII Transfer Format Using the :FETC Command149
Reading out Result in Binary Transfer Format Using :FETC Command151
To Retrieve Data Efficiently152
To Use a Data Buffer152
Other Features153
To Test the 4263B153
To Report the Instrument's Status153
If the 4263B Hangs up When You Send the Abort Command155
GPIB Reference156
GPIB Commands156
Common Commands156
Subsystem Command List157
Concept of Subsystem Command Tree159
Proper Use of the Colon and Semicolon159
Program Message Syntax160
Program Message Terminator160
Subsystem Command Syntax160
Parameters160
Parameter Types161
Units161
Multiple Messages162
Query and Response Message Syntax162
Usable Units162
Command Reference163
Notations163
Abort Command164
Calculate Subsystem165
Measurement Parameter Choices167
Calibration Subsystem170
DATA Subsystem171
Display Subsystem174
Fetch Query176
Format Subsystem177
Initiate Subsystem178
Sense Subsystem179
Measurement Function Selection183
Source Subsystem184
Status Subsystem186
System Subsystem188
Ttrigger Subsystem190
Status Reporting Structure194
Service Request194
Status Byte Register195
Status Byte Assignments195
Statndard Event Status Register196
Standard Operation Status Group197
Standard Event Status Register Assignments197
Standard Operation Status Group Structure198
Operation Status Register199
Questionable Status Register199
Operation Status Condition Register Assignments199
Operation Status Event Register Assignments199
Questionable Status Register Assignments200
4263B Trigger System con Guration201
IDLE State201
Initiate State202
Trigger Event Detection State202
Sequence Operation State202
Inside an Trigger Event Detection State202
Data Transfer Format203
Ascii203
NR1/2/3 Format203
Real Data Format204
Application Measurement206
Measuring Electrolytic Capacitors206
Sample Program to Measure Electrolytic Capacitors208
Measuring Transformers211
Connecting a Transformer212
Measuring High Inductance Transformers214
Impedance Measurement Basics216
Characteristics Example217
Typical Characteristics of Components217
Parallel/Series Circuit Mode218
Selecting Circuit Model for Capacitance Measurement219
Small Capacitance Values219
Large Capacitance Values219
Capacitance Circuit Model Selection219
Selecting Circuit Model for Inductance Measurement220
Small Inductance Values220
Large Inductance Values220
Inductance Circuit Model Selection220
Four-Terminal Pair Configuration221
Four-Terminal Pair Measurement Principle221
Measurement Contacts222
Capacitance to Ground223
Reducing Capacitance to Ground223
Contact Resistance224
Extending Test Leads224
Contact Configuration224
Measurement Contacts for Test Lead Extension224
Using a Guard Plate for Low Capacitance Measurements225
Shielding225
Example of DUT Guard Plate Connection225
Guard Shield225
Stray Capacitance Causing Contact Check Error226
Correction Functions of the 4263B227
Standard for the LOAD Correction229
Using a Standard Supplied by a Component Manufacturer229
Using Your Own Standard229
Selecting the LOAD Standard229
Specifications230
Measurement Parameters231
Measurement Conditions231
Measurement Range232
Measurement Accuracy232
Conversion Diagram233
Measurement Accuracy Parameter: A, B, and C234
Measurement Accuracy Parameter: D235
Measurement Accuracy Parameter: E235
Measurement Support Functions238
General239
Supplemental Performance Characteristics240
Maximum Capacitor Voltage246
Maintenance248
Test Equipment249
Performance Tests250
Introduction250
Calculation Sheet250
Performance Test Record251
Calibration Cycle251
How to Set the 4263B for the Performance Tests251
Test Signal Frequency Accuracy Test252
Specification252
Procedure252
Test Signal Frequency Accuracy Test Setup252
Frequency Accuracy Test Settings253
Test Signal Level Accuracy Test254
Level Accuracy Test Settings255
DC Bias Level Accuracy Test256
DC Bias Level Accuracy Test Setup Without the Interface Box257
Bias Level Accuracy Test Settings257
0 M Impedance Measurement Accuracy Test258
0 M Capacitance Measurement Accuracy Test260
0 M Capacitance Measurement Test Settings260
0 M Resistance Measurement Accuracy Test262
0 M DC Resistance Measurement Accuracy Test264
1 M Capacitance Measurement Accuracy Test265
1 M Resistance Measurement Accuracy Test267
1 M DC Resistance Measurement Accuracy Test268
2 M Capacitance Measurement Accuracy Test269
2 M Resistance Measurement Accuracy Test271
2 M DC Resistance Measurement Accuracy Test272
4 M Capacitance Measurement Accuracy Test.273
4 M Resistance Measurement Accuracy Test275
4 M Resistance Measurement Test Settings275
4 M DC Resistance Measurement Accuracy Test276
Functional Tests293
Transformer Measurement Functional Test294
Transformer Measurement Test Limits295
Handler Interface Functional Test296
Handler Interface Output Order297
Contact Check Functional Test298
Functional Test Record300
Manual Changes302
Serial Number303
Handler Interface Installation304
Electrical Characteristics304
Output Signals304
Handler Output Electrical Characteristics304
Handler Interface Comparison Output Signals Diagram305
Handler Interface Control Output Signals Diagram306
Input Signals307
Handler Interface Input Electrical Characteristics307
Handler Interface Input Signal Diagram307
Handler Interface Board Setup308
Tools and Fasteners308
A1 Main Board310
Pull-Up Resistor Location311
Overload/No-Contact Operations314
OVLD/N.C. Condition314
Simultaneous OVLD and N.C. Condition315
Messages316
Instrument Errors317
GPIB Errors318
Index324

Agilent Technologies 4263B - Reading out Result in ASCII Transfer Format Using the:FETC Command

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