Keysight Technologies E3649A

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E364xA Dual Output DC Power Supplies

User’s and Service Guide

167

5 Application Programs

Overview 168

Example Program for C and C++ 169

Example Program for Excel 97 173

This chapter contains two application programs that utilize the remote interface.

Main Page

Safety Symbols4
Safety Considerations5
Environmental Conditions7
Regulatory Information8
Safety Compliance8
EMC Compliance8
Regulatory Markings9
Waste Electrical and Electronic Equipment (WEEE) Directive10
Product Category10
Sales and Technical Support10
Table of Contents12
Getting Started24
Introduction25
Figure 1-1 Rear Output Terminals28
Standard Shipped Items29
Options29
Table 1-1 E364Xa Options29
Accessories30
Table 1-2 E364Xa Accessories30
Preparing the Power Supply31
Checking the Power Supply31
Connecting Power to the Power Supply32
Table 1-3 E364Xa Power-Line Fuse32
Checking the Output33
Converting Line Voltage35
Figure 1-2 Line Voltage Selector (Set for 115 Vac)35
Rack-Mounting the Power Supply38
Product at a Glance40
Front Panel40
Figure 1-3 Front Panel40
Table 1-4 Front Panel Overview40
Figure 1-4 Voltage and Current Limit Settings42
Rear Panel43
Figure 1-5 Rear Panel43
Table 1-5 Rear Panel Overview43
Display Annunciators44
Figure 1-6 Display Annunciators44
Table 1-6 Display Annunciators Overview44
Output Connections46
Current Ratings46
Table 1-7 Wire Rating46
Voltage Drops47
Load Consideration47
Remote Voltage Sensing Connections48
Figure 1-7 Remote Voltage Sensing Connections49
Multiple Loads51
Operating the Power Supply52
Cooling52
Bench Operation52
Cleaning52
Operation and Features54
Overview55
Constant Voltage Operation56
Front Panel Operation56
Remote Interface Operation58
Constant Current Operation59
Front Panel Operation59
Remote Interface Operation61
Track Mode Operation62
Front Panel Operation62
Remote Interface Operation63
View Mode Operation64
Changing the Display Mode64
Viewing the Errors65
Viewing the Firmware Version65
Viewing the Calibration String66
Configuring the Remote Interface67
GPIB Configuration67
RS-232 Configuration68
Storing and Recalling Operating States69
Front Panel Operation69
Remote Interface Operation71
Programming the Overvoltage Protection72
Front Panel Operation72
Remote Interface Operation74
Figure 2-1 Recommended Protection Circuit for Battery Charging75
Disabling the Output76
Front Panel Operation76
Remote Interface Operation76
Disconnecting the Output Using an External Relay77
System-Related Operations78
State Storage78
Self-Test79
Error Conditions80
Firmware Revision Query80
SCPI Language Version81
GPIB Interface Reference82
RS-232 Interface Reference83
RS-232 Configuration Overview83
RS-232 Data Frame Format83
Connection to a Computer or Terminal84
Figure 2-2 DB-9 Serial Connection84
RS-232 Trouble Shooting85
Figure 2-3 DB-25 Serial Connection85
Calibration86
Calibration Security86
To Unsecure for Calibration87
Table 2-1 Factory-Setting Security Codes87
To Secure against Calibration88
To Change the Security Code90
Calibration Count91
Calibration Message91
SCPI Command Summary95
Remote Interface Reference95
Output Setting and Measurement Commands96
Triggering Commands97
System-Related Commands97
State Storage Commands98
Calibration Commands98
Interface Configuration Commands98
Status Reporting Commands99
IEEE-488.2 Common Commands100
Introduction to the SCPI Language101
Command Format Used in this Manual102
Command Separators103
Using the MIN and MAX Parameters103
Querying Parameter Settings104
SCPI Command Terminators104
IEEE-488.2 Common Commands105
SCPI Parameter Types105
Simplified Programming Overview107
Using the Apply Command107
Using the Low-Level Commands107
Reading a Query Response108
Selecting a Trigger Source108
Power Supply Programming Ranges109
Table 3-1 Keysight E364Xa Programming Ranges109
Using the Apply Command110
Output Setting and Operation Commands111
Triggering Commands118
Trigger Source Choices118
Triggering Commands120
System-Related Commands121
Table 3-2 Power Supply State124
State Storage Commands125
Calibration Commands127
Calibration Example129
Interface Configuration Commands131
SCPI Status Registers132
What Is an Event Register132
What Is an Enable Register132
What Is a Multiple Logical Output133
Figure 3-1 Multiple Logical Output133
SCPI Status System134
Figure 3-2 SCPI Status System134
Questionable Status Register135
Table 3-3 Bit Definitions - Questionable Status Register135
Standard Event Register137
Table 3-4 Bit Definitions - Standard Event Register137
Status Byte Register138
Using Service Request (SRQ) and Serial POLL139
Table 3-5 Bit-Definitions - Status Byte Summary Register139
Using *STB? to Read the Status Byte140
Using the Message Available Bit (MAV)140
To Interrupt Your Bus Controller Using SRQ141
Determining When a Command Sequence Is Completed141
Using *OPC to Signal When Data Is in the Output Buffer142
Status Reporting Commands143
Halting an Output in Progress147
SCPI Conformance Information148
SCPI Confirmed Commands148
Device Specific Commands150
IEEE-488 Conformance Information151
Error Messages152
Overview153
Front Panel Operation153
Remote Interface Operation154
Execution Error Messages155
Table 4-1 Execution Error Messages155
Self-Test Error Messages162
Table 4-2 Self-Test Error Messages162
Calibration Error Messages165
Table 4-3 Calibration Error Messages165
Application Programs168
Overview169
Example Program for C and C170
Diode.C170
Example Program for Excel 97174
Figure 5-1 Example Program Result174
Declaration for Windows 3.1179
Declaration for Windows 9.5/NT 4.0179
Tutorial180
Overview of the Power Supply Operation181
Figure 6-1 Diagram of a Simple Series Power Supply181
Figure 6-2 Block Diagram of the Power Supply Showing the Remote Interface Isolation182
Output Characteristics183
Figure 6-3 Ideal Constant Voltage Power Supply183
Figure 6-4 Ideal Constant Current Power Supply183
Figure 6-5 Output Characteristics184
Unregulated State185
Unwanted Signals185
Figure 6-6 Simplified Diagram of Common Mode and Normal Mode Sources of Noise186
Extending the Voltage and Current Range187
Series Connections187
Parallel Connections187
Remote Programming188
Figure 6-7 Speed of Response - Programming up (Full Load)188
Figure 6-8 Speed of Response - Programming down189
Characteristic and Specifications191
Physical Characteristics191
Figure 7-1 E364Xa Dimensions191
Table 7-1 Physical Characteristics191
Characteristic and191
Environmental Characteristics192
Figure 7-2 E364Xa Dimensions for Rack Mounting192
Electrical Specifications193
Table 7-2 Electrical Specifications193
Supplemental Characteristics195
Table 7-3 Supplemental Characteristics195
Service and Maintenance199
Overview199
Operating Checklist200
Types of Services Available201
Standard Repair Service (Worldwide)201
Repacking for Shipment201
Electrostatic Discharge (ESD) Precautions202
Surface Mount Repair202
Replacing the Power-Line Fuse202
Troubleshooting Hints203
Unit Reports Errors 740 to 755203
Unit Fails Self-Test203
Bias Supplies Problems203
Table 8-1 Bias Supplies Voltages204
Table 8-2 Bias Supplies Voltages (Serial My53Xx6Xxx)204
Self-Test Procedures205
Power-On Self Test205
Complete Self-Test205
Table 8-3 Self-Test Error Messages206
General Disassembly207
Figure 8-1 General Disassembly207
Recommended Test Equipment208
Table 8-4 Recommended Test Equipment208
Test Considerations210
Operation Verification and Performance Tests211
Operation Verification Tests211
Performance Tests211
Measurement Techniques212
Common Test Setup212
Figure 8-2 Performance Verification Test Setup212
Current-Monitoring Resistor213
General Measurement Techniques213
Figure 8-3 Front or Rear Panel Terminal Connections213
Electronic Load214
Programming214
Constant Voltage (CV) Verifications215
Constant Voltage Test Setup215
Voltage Programming and Readback Accuracy215
Table 8-5 Verification Programming Values215
CV Load Effect (Load Regulation)217
CV Source Effect (Line Regulation)218
CV PARD (Ripple and Noise)219
Figure 8-4 Front/Rear Panel Terminal Connections for the Vrms Measurement219
Load Transient Response Time221
Figure 8-5 Transient Response Time222
Constant Current (CC) Verification223
Constant Current Test Setup223
Current Programming and Readback Accuracy223
CC Load Effect (Load Regulation)225
CC Source Effect (Line Regulation)226
CC PARD (Ripple and Noise)227
Figure 8-6 CC PARD (Ripple and Noise) Connections227
Common Mode Current Noise229
Performance Test Record230
Table 8-6 CV Performance Test Record230
Table 8-7 CC Performance Test Record231
Calibration Reference232
Keysight Calibration Services232
Calibration Interval232
To Unsecure the Power Supply Without the Security Code232
General Calibration or Adjustment Procedure234
Table 8-8 Parameters for Calibration235
Front Panel Voltage and Current Calibration236
Calibration Record240
Table 8-9 Calibration Record240
Calibration Error Messages242
Table 8-10 Calibration Error Messages242
Component Locator Diagram244
Component Locator Diagram for the Main Board Assembly - Top244
Component Locator Diagram for the Main Board Assembly - Bottom245
Component Locator Diagram for the Digital Board Assembly - Top246
Component Locator Diagram for the Digital Board Assembly - Bottom247
Component Locator Diagram for the Front Panel - Top248
Component Locator Diagram for the Main Board Assembly - Top (Serial My53Xx6Xxx)249
Component Locator Diagram for the Main Board Assembly - Bottom (Serial My53Xx6Xxx)250
Component Locator Diagram for the Digital Board Assembly - Top (Serial My53Xx6Xxx)251
Component Locator Diagram for the Digital Board Assembly - Bottom (Serial My53Xx6Xxx)252
Component Locator Diagram for the Front Panel - Top (Serial My53Xx6Xxx)253

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