Front panel operation 9
Programming examples: outputting and reading back V and I
The following command sequences demonstrate how to output voltage and current, and read
back (measure) the actual voltage and current:
Battery channel (#1)
Charger channel (#2)
Command Description
VOLT 5 ‘ Set output voltage to 5V.
SENS:CURR:RANG:AUTO ON ‘ Enable auto range for current.
CURR 750e-3 ‘ Set current limit to 750mA.
CURR:TYPE TRIP ‘ Select Trip mode for current limit.
SENS:FUNC ‘VOLT’ ‘ Select the voltage measurement function.
SENS:NPLC 2 ‘ Set integration rate to 2 PLC.
SENS:AVER 5 ‘ Set average reading count to 5.
OUTP ON ‘ Turn on the power supply output.
READ? ‘ Trigger 5 voltage measurement conversions and
return the average of those 5 conversions. The average
reading is displayed on the front panel.
SENS:FUNC ‘CURR’ ‘ Select current measurement function.
READ? ‘ Trigger 5 current measurement conversions and return
the average of those 5 conversions. The average of the
5 readings is displayed on the front panel.
Command Description
SOUR2:VOLT 5 ‘ Set output voltage to 5V.
SENS2:CURR:RANG:AUTO ON ‘ Enable auto range for current.
SOUR2:CURR 750e-3 ‘ Set current limit to 750mA.
SOUR2:CURR:TYPE LIM ‘ Select LIM mode for current limit.
SENS2:FUNC ‘VOLT’ ‘ Select the voltage measurement function.
SENS2:NPLC 4 ‘ Set integration rate to 4 PLC.
SENS2:AVER 4 ‘ Set average reading count to 4.
OUTP2 ON ‘ Turn on the power supply output.
READ2? ‘ Trigger 4 voltage measurement conversion and return
the average of those 4 conversions.
SENS2:FUNC ‘CURR’ ‘ Select current measurement function.
READ2:ARR? ‘ Trigger 4 current measurement conversions and
return all 4 conversions. The average of the 4 readings
is displayed on the front panel.
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