7
Capacitive Loads.....................................................................................................................................30
Inductive Loads ......................................................................................................................................31
Connecting to an External Voltage Source..............................................................................................31
Sense Connections.........................................................................................................................................31
Remote Voltage Sensing .........................................................................................................................31
CV Regulation.........................................................................................................................................32
Overvoltage Protection Considerations...................................................................................................32
Output Rating..........................................................................................................................................32
Output Noise ...........................................................................................................................................32
Stability...................................................................................................................................................32
Over Current Protection Considerations........................................................................................................33
Hardware Overcurrent Circuit.................................................................................................................33
Operating Configurations..............................................................................................................................33
Connecting the Load to One Unit ...........................................................................................................33
Connecting Supplies in Parallel...............................................................................................................34
Connecting Supplies in Auto-Parallel......................................................................................................35
Auto-Parallel Programming Cautions......................................................................................................36
Connecting Supplies in Series.................................................................................................................37
Analog Current Control...........................................................................................................................38
Controller Connections..................................................................................................................................38
Stand-Alone Connections........................................................................................................................38
Linked Connections.................................................................................................................................38
5 Front Panel Operation
Introduction...................................................................................................................................................41
Key Functions................................................................................................................................................41
Programming the Output .........................................................................................................................44
Establishing Initial Conditions. ...............................................................................................................44
Programming Voltage .............................................................................................................................44
Programming Current..............................................................................................................................45
Programming Overvoltage Protection...........................................................................................................45
Setting the OVP Level..............................................................................................................................45
Checking OVP Operation.........................................................................................................................45
Clearing the OVP Condition ....................................................................................................................46
Programming Overcurrent Protection............................................................................................................46
Setting the OCP Protection.......................................................................................................................46
Checking OCP Operation.........................................................................................................................46
Clearing the OCP Condition.....................................................................................................................46
CV Mode vs. CC Mode.................................................................................................................................47
Unregulated Operation..................................................................................................................................47
Saving and Recalling States ..........................................................................................................................47
Turn-on Conditions .......................................................................................................................................47
Setting the GPIB Address..............................................................................................................................48
Types of GPIB Addresses .......................................................................................................................48
Changing the GPIB Address....................................................................................................................48
6. Remote Programming
GPIB Capabilities of the Power Supply ........................................................................................................49
Introduction to SCPI......................................................................................................................................49
Conventions.............................................................................................................................................49
Types of SCPI Commands ............................................................................................................................50
Multiple Commands in a Message...........................................................................................................50
Moving Among Subsystems....................................................................................................................51
Value Coupling........................................................................................................................................51
Including Common Commands...............................................................................................................51
SCPI Queries...........................................................................................................................................51