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E3642A
Agilent Technologies E3642A User Manual
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Single
Output
DC
Power
Supplies
2
Table of Contents
Features
2
The Front Panel
3
Front-Panel Menu/Key Reference
4
Front-Panel Voltage and Current Limit Settings
5
Display Annunciators
6
The Rear Panel
7
Manual Contents
8
In this Book
8
Table of Contents
10
How to Use
17
Quick Start
17
Preliminary Checkout
18
Output Checkout
19
Voltage Output Checkout
19
Current Output Checkout
20
If the Power Supply Does Not Turn on
21
Line Voltage Conversion
22
To Adjust the Carrying Handle
24
To Rack Mount the Instrument
25
General Information
29
Safety Considerations
30
Safety and EMC Requirements
30
Options and Accessories
31
Description
32
Installation
34
Cooling and Location
34
Beach Operation
34
Output Connections
35
Current Ratings
35
Wire Rating
35
Voltage Drops
36
Load Consideration
36
Capacitive Loading
36
Inductive Loading/Pulse Loading
36
Reverse Current Loading
37
Remote Voltage Sensing Connections
37
Stability
38
CV Regulation
38
Output Rating
38
Output Noise
38
Multiple Loads
39
Front-Panel Operation and Features
41
Front-Panel Operation Overview
42
Constant Voltage Operation
43
Constant Current Operation
45
Configuring the Remote Interface
47
GPIB Configuration
47
RS-232 Configuration
48
Storing and Recalling Operating States
49
Programming Overvoltage Protection
51
Setting the OVP Level and Enable the OVP Circuit
51
Checking OVP Operation
52
Clearing the Overvoltage Condition
52
By Adjusting OVP Trip Level
53
Recommended Protection Circuit for Battery Charging
54
Disabling the Output
55
Disconnecting the Output Using an External Relay
55
System-Related Operations
56
State Storage
56
Self-Test
57
Error Conditions
57
Remote Interface Operation
57
Firmware Revision Query
58
SCPI Language Version
58
GPIB Interface Reference
59
RS-232 Interface Reference
60
RS-232 Configuration Overview
60
RS-232 Data Frame Format
60
Connection to a Computer or Terminal
61
DB-25 Serial Connection
62
RS-232 Troubleshooting
62
Calibration Overview
63
Calibration Security
63
Factory Setting Security Codes
63
To Unsecure for Calibration
64
To Secure against Calibration
65
Calibration Count
66
To Change the Security Code
66
Calibration Message
67
Remote Interface Reference
69
SCPI Command Summary
70
Output Setting and Measurement Commands
71
Triggering Commands
72
System-Related Commands
72
Calibration Commands
73
Status Reporting Commands
73
Interface Configuration Commands
74
State Storage Commands
74
IEEE-4888.2 Common Commands
74
Simplified Programming Overview
75
Using the Apply Command
75
Using the Low-Level Commands
75
Reading a Query Response
76
Selecting a Trigger Source
76
Power Supply Programming Ranges
77
Output Setting and Operation Commands
79
Triggering
83
Trigger Source Choices
83
Immediate Triggering
84
System-Related Commands
86
Calibration Example
92
Interface Configuration Commands
93
The SCPI Status Registers
94
SCPI Status System
95
The Questionable Status Register
96
The Standard Event Register
97
The Status Byte Register
98
Using Service Request (SRQ) and Serial POLL
99
The Status Byte Summary Register Is Cleared When
99
The Status Byte Enable Register (Request Service) Is Cleared When
99
Using STB? to Read the Status Byte
100
Using the Message Available Bit (MAV)
100
To Interrupt Your Bus Controller Using SRQ
100
To Determine When a Command Sequence Is Completed
101
Using OPC to Signal When Data Is in the Output Buffer
101
Status Reporting Commands
102
An Introduction to the SCPI Language
104
Command Format Used in this Manual
105
Command Separators
106
Using the MIN and MAX Parameters
106
Querying Parameter Settings
107
SCPI Command Terminators
107
IEEE-488.2 Common Commands
107
SCPI Parameter Types
108
Halting an Output in Progress
109
SCPI Conformance Information
110
SCPI Confirmed Commands
110
Device Specific Commands
112
Non-SCPI Commands
112
IEEE-488 Conformance Information
113
Error Messages
115
Execution Errors
116
Self-Test Errors
121
Calibration Errors
122
Application Programs
125
Example Program for C and C++
126
Example Program for Excel 97
130
Diode Macro
132
End of Program
133
Tutorial
137
Overview of this Power Supply Operation
138
Block Diagram of the Power Supply Showing the Optical Isolation
139
Output Characteristics
140
Unregulated State
142
Unwanted Signals
142
Diagram of Common Mode and Normal Mode Sources of Noise
143
Extending the Voltage and Current Range
144
Series Connections
144
Parallel Connections
144
Remote Programming
145
Speed of Response - Programming down
146
Specifications
149
Performance Specifications
150
Supplemental Characteristics
152
Dimensions
154
Dimensions for Rack Mounting
155
Service Information
157
Operating Checklist
158
Types of Service Available
159
Repacking for Shipment
160
Electrostatic Discharge (ESD) Precautions
161
Surface Mount Repair
161
To Replace the Power-Line Fuse
161
Troubleshooting Hints
162
Unit Reports Errors 740 to 750
162
Unit Fails Self-Test
162
Bias Supplies Problems
162
Self-Test Procedures
163
General Disassembly
165
Recommended Test Equipment
166
Test Considerations
167
Operation Verification Tests
167
Performance Tests
167
Measurement Techniques
168
Setup for Motor Tests
168
Current-Monitoring Resistor
168
Electronic Load
169
Programming
169
Constant Voltage (CV) Verifications
170
Constant Voltage Test Setup
170
Voltage Programming and Readback Accuracy
170
CV Load Effect (Load Regulation)
171
CV Source Effect (Line Regulation)
172
CV PARD (Ripple and Noise)
172
Load Transient Response Time
174
Constant Current (CC) Verifications
175
Constand Current Test Setup
175
Current Programming and Readback Accuracy
175
CC Source Effect (Line Regulation)
177
CC PARD (Ripple and Noise)
178
Common Mode Current Noise
179
Performance Test Record for Your Power Supply
180
CV Performance Test Record
180
Calibration Reference
182
Agilet Technologies Calibration Services
182
Calibration Interval
182
To Unsecure the Power Supply Without the Security Code
182
General Calibration/Adjustment Procedure
183
Parameters for Calibration
183
Front Panel Voltage and Current Calibration
184
Current Calibration
186
Calibration Record for Your Power Supply
188
Calibration Error Messages
189
Replaceable Parts
190
Schematics and Diagrams
190
Index
194
Declaration of Conformity
207
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Agilent Technologies E3642A Specifications
General
Brand
Agilent Technologies
Model
E3642A
Category
Power Supply
Language
English
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