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Keithley
Power Supply
2302
Keithley 2302 User Manual
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This
appendix provides information on the 488.1 protocol,
which increases GPIB
operating speed, as well as special trigger commands to be used with that protocol.
G
488.1 Protocol
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
330
332
Table of Contents
Default Chapter
3
Limitation of Warranty
3
Safety Precautions
7
Table of Contents
9
Gpib Operation
18
Status Structure
18
List of Tables
19
Common Commands
20
Replaceable Parts
21
Getting Started
23
General Information
24
Warranty Information
24
Contact Information
24
Safety Symbols and Terms
24
Specifications
24
Inspection
25
Options and Accessories
25
Power Supply Overview
26
Remote Display Option
29
Power-Up
30
Line Power Connection
30
Power-Up Sequence
30
Fuse Replacement
31
Figure 1-5 Fuse Drawer Location
31
Display Modes
32
Default Settings
33
Setups - Save, Power-On, and Recall
36
Menu
36
Getting Around the MENU
39
SCPI Programming
40
Basic Power Supply Operation
41
Test Connections
42
Remote Sense
43
Local Sense
44
RFI Considerations
44
Outputting Voltage and Current
45
Setting Voltage Protection Value
45
Selecting Proper Current Range
46
Selecting Current Limit Mode
46
Editing Output Voltage and Current Limit Values
47
Pressing Operate
49
Output Bandwidth
50
Output Impedance
51
Changing the Battery Channel's Output Impedance
51
SCPI Programming - Outputting Voltage and Current
52
Command Notes (Outputting Voltage and Current)
53
Reading Back V and I
55
Actual V and I Display Mode
55
Measurement Configuration
55
Nplc Rate
56
Average Readings
56
SCPI Programming - Measure V and I, and DVM Input
57
Command Notes (Measure V and I, and DVM Input)
58
Independent Voltage Measurements (DVM)
58
DVM Input Display Mode
58
Measurement Configuration
59
SCPI Programming - DVM
59
Sink Operation
59
2 Basic Power Supply Operation
60
Figure 2-3 Sink Operation
60
Figure 2-4 Preferred Method
60
Programming Examples
61
Outputting and Reading Back V and I
61
DVM Measurements
62
Pulse Current Measurements Overview
63
Trigger Level
65
Trigger Level Range
65
Trigger Delay
65
Integration Times
66
Average Readings Count
67
Measurement Configuration
68
Current Range
68
Integration Times
68
Average Readings Count
69
Trigger Delay, Trigger Level Range, and Trigger Level
69
Pulse Current Display Mode
71
Pulse Current Measurement Procedure
72
Determining Correct Trigger Level (Pulse Current)
72
SCPI Programming - Pulse Current Measurements
75
Command Notes (Pulse Current Measurements)
77
Using FAST, Search, and Detect
79
Pulse Current Digitization
84
Pulse Current Step Method
85
Tlev Steps
85
Trigger Level Settings
87
Timeout Setting
90
Trigger Level Range
91
Figure 3-1 Pulse Current Measurement
92
Pulse Current Step Method (Battery Channel Only)
94
Pulse Timeout
100
3 Pulse Current Measurements
92
Measurement Configuration
103
Current Range
103
Integration Time
103
Auto Time
103
Pulse Timeout
104
Trigger Edge, Trigger Level, and Trigger Level Range
104
Long Integration Display Mode
106
Long Integration Measurement Procedure
106
General Notes
107
Determining Correct Trigger Level (Long Integration)
107
SCPI Programming
109
Command Notes (Long Integration Measurements)
111
Using FAST, Search, and Detect
111
Figure 4-3 TOUT and Search Time
112
4 Long Integration Measurements
112
Programming Examples
115
Relay Control
117
Overview
118
5 Relay Control
119
Figure 5-1 External Source Relay Control
119
Figure 5-2 Internal Source Relay Control
119
Connections
120
Controlling Relays
121
SCPI Programming
122
External Triggering (Model 2306-VS Only)
123
Overview
124
Model 2306-VS Features
124
Typical Trigger Sequence
124
6 External Triggering (Model 2306-VS Only)
125
Trigger Connections
125
Trigger Connectors
125
Figure 6-1 Typical Trigger Sequence
125
Figure 6-2 Model 2306-VS Rear Panel Trigger Connectors
125
Trigger Signals
126
Figure 6-3 Trigger Input Signal
126
Figure 6-4 Trigger Output Signal
126
Commands
127
Command Notes
128
External Trigger Sequences
134
Programming Examples
138
GPIB Operation
143
Introduction
144
GPIB Bus Connections
144
Primary Address
146
Setting the GPIB Timeout for Responses
146
Long Integration Readings
147
Pulse Current Readings
147
MAV (Message Available Bit)
147
General Bus Commands
148
Ren (Remote Enable)
148
Ifc (Interface Clear)
148
Llo (Local Lockout)
149
Sdc (Selective Device Clear)
149
Front Panel Aspects of GPIB Operation
150
Programming Syntax
151
Command Words
151
Query Commands
152
Case Sensitivity
153
Long-Form and Short-Form Versions
153
Single Command Messages
154
Multiple Command Messages
154
Command Path Rules
155
Program Message Terminator (Pmt)
155
Sending a Response Message
156
Multiple Response Messages
156
Status Structure
157
Overview
158
Status Byte and Srq
158
Clearing Registers and Queues
160
Programming and Reading Registers
161
Programming Enable Registers
161
Reading Registers
161
Status Byte and Service Request (SRQ)
162
Status Byte Register
163
Service Request Enable Register
164
Serial Polling and SRQ
164
Status Byte and Service Request Commands
165
Status Register Sets
166
Register Bit Descriptions
166
Questionable Event Status
172
Condition Registers
173
Event Registers
173
Event Enable Registers
174
Programming Example - Program and Read Measurement Event Register
175
Queues
175
Output Queue
176
Error Queue
176
Programming Example - Read Error Queue
177
Common Commands
179
Overview
180
Command Notes (IEEE-488.2 Common Commands and Queries)
181
Signal Oriented Measurement Commands
185
Overview
186
Command Notes (Signal Oriented Measurement Commands and Queries)
187
Display, Format, and System
191
Display Subsystem
192
Command Notes (SCPI Commands - Display)
192
Format Subsystem
194
Command Notes (SCPI Commands - Data Format)
195
System Subsystem
197
Command Notes (SCPI Commands - System)
198
SCPI Tables
199
SCPI Command Subsystems Reference Tables
200
Performance Verification
221
Introduction
222
Verification Test Requirements
223
Environmental Conditions
223
Warm-Up Period
223
Line Power
223
Recommended Test Equipment
224
Resistor Connections
224
Resistor Considerations
224
Verification Limits
225
Example Limits Calculation
225
Performing the Verification Test Procedures
225
Test Summary
225
Test Considerations
225
Output Voltage Accuracy
226
Voltage Readback Accuracy
228
Compliance Current Accuracy
229
Current Readback Accuracy
231
5A Range Readback Accuracy
231
5Ma Range Readback Accuracy
232
500Ma Range Readback Accuracy
234
Digital Voltmeter Input Accuracy
236
Calibration
239
Introduction
240
Environmental Conditions
240
Temperature and Relative Humidity
240
Warm-Up Period
240
Line Power
240
Calibration Considerations
241
Calibration Cycle
241
Recommended Calibration Equipment
241
Resistor Connections
242
Resistor Considerations
242
Front Panel Calibration
242
Remote Calibration
249
Remote Calibration Display
249
Remote Calibration Procedure
250
Changing the Calibration Code
255
Changing the Code from the Front Panel
255
Changing the Code by Remote
255
Resetting the Calibration Code
256
Viewing Calibration Date and Count
257
Viewing Date and Count from the Front Panel
257
Acquiring Date and Count by Remote
257
Disassembly
259
Introduction
260
Handling and Cleaning
260
Handling PC Boards
260
Solder Repairs
260
Static Sensitive Devices
261
Assembly Drawings
261
Disassembly Procedures
262
Case Cover Removal
262
Analog Board Removal
262
Digital Board Removal
263
Front Panel Disassembly
263
Removing Mechanical Components
263
Instrument Reassembly
264
Replaceable Parts
265
Introduction
266
Ordering Information
266
Factory Service
266
Parts Lists and Component Layouts
266
Specifications
297
A Specifications
299
Error and Status Messages
299
C Calibration Reference
305
Introduction
306
Command Summary
306
Miscellaneous Commands
306
Detecting Calibration Errors
310
Reading the Error Queue
310
Error Summary
310
Status Byte EAV (Error Available) Bit
310
Generating an SRQ on Error
310
Detecting Calibration Step Completion
312
Using the *OPC Command
312
Using the *OPC? Query
312
Generating an SRQ on Calibration Complete
312
Calibration Program
313
Introduction
314
Computer Hardware Requirements
314
Software Requirements
314
Calibration Equipment
314
General Program Instructions
315
Applications Guide
319
Simulating Battery Impedance
320
Variable Output Impedance Control on Channel #1
320
F Model 2302 Specifics
327
General Information
328
Specifications
328
Power Supply Overview
328
Operational Differences
328
Front Panel Operation
328
SCPI Operation
328
Calibration
329
488.1 Protocol
331
GPIB 488.1Protocol
332
Selecting the 488.1 Protocol
332
Protocol Differences
333
General Operation Notes
334
Trigger on Talk both Channels
335
Bus Commands
335
Command Notes
336
Trigger Continuous Mode
336
Bus Commands
336
Command Notes
337
Using Trigger Continuous Mode
337
Index
339
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Keithley 2302 Specifications
General
Brand
Keithley
Model
2302
Category
Power Supply
Language
English
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