Agilent Technologies 6621A - Page 21

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General Information 21

Figure 1-4. CV Operation with Capacitive Load, Stability Graph for all Outputs

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Operating Manual1
Limitation of Warranty2
Exclusive Remedies2
Safety Summary3
Declaration of Conformity5
Table of Contents7
General Information11
Safety Considerations11
Instrument and Manual Identification11
Options11
Accessories12
Description12
Basic Operation13
GP-IB Board13
Output Boards14
Specifications15
Qualifying Conditions15
Definitions15
Installation25
Introduction25
Initial Inspection25
Location and Cooling25
Input Power Requirements26
Line Fuse26
Power Cord28
Line Voltage Conversion28
GP-IB Interface Connector29
Getting Started31
Front Panel Controls and Indicators31
Turning on Your Supply31
Normal Self Test Indications35
Self Test Errors36
Checking out Your Supply Using Local Control36
Voltage Test37
Overvoltage Test37
Current Test37
Introduction to Remote Operation38
Enter/Output Statements38
Reading the GP-IB Address39
Changing the GP-IB Address39
Sending a Remote Command39
Getting Data from the Supply40
Often Used Commands40
Returning the Supply to Local Mode42
Output Connections and Operating Information43
Output Ranges43
Operating Quadrants44
Range Selection44
Protection Features44
Connecting the Load46
Wire Size Selection47
Multiple Loads49
Positive and Negative Voltages49
Remote Voltage Sensing49
Remote Sense Connections50
Output Noise Considerations51
Programming Response Time with an Output Capacitor51
Open Sense Leads51
Overvoltage Trigger Connections52
External Trigger Circuit52
Power Supply Protection Considerations54
Battery Charging54
Capacitive Load Limitation54
Parallel Operation54
CV Operation55
CC Operation56
Remote Sensing56
Specifications for Parallel Operation56
Series Operation57
CV Operation57
CC Operation58
Remote Sensing58
Specifications for Series Operation58
Remote Operation61
Introduction61
GP-IB Operation61
Interface Function61
GP-IB Address Selection62
Power-On Service Request (PON)63
Programming Syntax63
Numeric Data63
Order of Execution67
Terminators67
Initial Conditions67
Power Supply Commands68
Voltage Programming69
Current Programming69
Range Switching70
Output On/Off71
Overvoltage Protection71
Overcurrent Protection71
Multiple Output Storage and Recall72
The Clear Command72
Status Reporting72
Service Request Generation76
Reprogramming Delay77
Display On/Off78
Other Queries78
Local Operation83
Introduction83
Local Mode83
Local Control of Output Functions83
General83
Setting Voltage84
Setting Current84
Enabling/Disabling an Output85
Setting Overvoltage Protection85
Resetting Overvoltage Protection85
Enabling/Disabling Overcurrent Protection85
Resetting Overcurrent Protection85
Displaying the Contents of the Fault Register85
Setting the Reprogramming Delay86
Local Control of System Functions86
Setting the Supply's GP-IB Address86
Displaying Error Messages87
Storing and Recalling Voltage and Current Settings for All Outputs87
Introduction89
Calibration Procedures89
Test Equipment and Setup Required89
General Calibration Procedure91
Calibration Program93
B Programming with a Series 200/300 Computer Introduction97
I/O Path Names97
Voltage and Current Programming97
Voltage and Current Programming with Variables98
Voltage and Current Readback98
Programming Power Supply Registers99
Present Status99
Service Request and Serial Poll99
Error Detection101
Stored Operating States102
Programming Outputs Connected in Parallel102
CC Operation103
CV Operation103
Programming Outputs Connected in Series104
C Command Summary Introduction105
Introduction109
Power-On Self Test Messages109
Error Responses109
Test Responses109
E Manual Backdating Introduction113
Make Changes113
Agilent Sales and Support Office114

Agilent Technologies 6621A - Page 21

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