System-Related Operations
Though not directly related to output programming, the following functions also control instrument
operation.
Instrument Identification
Instrument State Storage
Front Panel Display
Front Panel Lock-Out
Password Protection
Instrument Identification
You can query the model number, serial number, options, and firmware revision. SCPI commands
return information with the *IDN? and *OPT? queries.
Front Panel Menu Reference SCPI Command
Select System\About\Frame. To return manufacturer, model number, serial
number, and firmware revision: *IDN?
To return the installed options: *OPT?
Instrument State Storage
The power supply has ten storage locations in non-volatile memory to store instrument states. The
locations are numbered 0 through 9. Any state previously stored in the same location will be
overwritten.
Front Panel Menu Reference SCPI Command
Select States\SaveRecall.
In the SaveRecall field, enter a location from 0 to 9.
Then press Select.
Select Save to save the state to Recall to recall a state.
To save a state in location 1:
*SAV 1
To recall a state from location 1:
*RCL 1
Specifying a power-on state
When shipped, the power supply is configured to automatically recall the reset (*RST) settings at
power-on. However, you can configure the power supply to use the settings you have stored in
memory location 0 at power-on.
Front Panel Menu Reference SCPI Command
Select States\PowerOn.
Select Recall State 0. Then press Select.
OUTP:PON:STAT RCL0
Keysight RP7900 Series Operating and Service Guide 161
4 Using the Regenerative Power System
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