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4 Using the Regenerative Power System
Front Panel Menu Reference
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If a FETCh query is sent before the measurement is finished, the response will be delayed until the
measurement trigger occurs and the acquisition completes. You can test the MEAS_active bit in the
operation status register to know when the measurement trigger system has returned to the idle state.
Front Panel Menu Reference
Select Measure\Control.
The Trig state field indicates "Idle".
If bit 5 is set in the query response, the MEAS_active bit is true, and the measurement is NOT
complete. When the MEAS_active bit is false, you can retrieve the measurement. Refer to
Tutorial
for more information.
Multiple trigger events per measurement
The Keysight RPS models can capture other triggers that occur during the acquisition, return the
number and position of those triggers, and calculate DC values based on a subset of the data
surrounding those triggers. The basic concept is that a single long acquisition may contain several
events of interest, and that these events are marked by locations where additional triggers occurred.
The locations of these events are described as an index into the acquisition's store of acquired data.
Indices range from 0 to 1 less than the number of acquired readings (see SENse:SWEep:POINts).
You can query and return the indices where additional triggers occurred during the measurement. The
number of indices returned matches the number of triggers that occurred.
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SCPI Command
To return RMS voltage & current:
FETC:VOLT:ACDC?
FETC:CURR:ACDC?
To return the high level of a pulse:
FETC:VOLT:HIGH?
FETC:CURR:HIGH?
To return the low level of a pulse:
FETC:VOLT:LOW?
FETC:CURR:LOW?
To return the maximum value:
FETC:VOLT:MAX?
FETC:CURR:MAX?
To return the minimum value:
FETC:VOLT:MIN?
FETC:CURR:MIN?
To return array data:
FETC:ARR:VOLT?
FETC:ARR:CURR?
FETC:ARR:POW?
To query the MEAS_active bit (bit 5):
STAT:OPER:COND?
SCPI Command
Keysight RP7900 Series Operating and Service Guide
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