Sequoia Series 61
4.6 Frequency Measurement Subsystem
This subsystem programs the frequency measurement capability of the Sequoia Series power source.
Subsystem Syntax
MEASure
[:SCALar]
:FREQuency? Returns the output frequency
MEASure:FREQuency?
This query returns the output frequency in Hertz.
Query Syntax MEASure[:SCALar]:FREQuency?
Parameters None
Examples MEAS:FREQ?
Returned Parameters <NR2>
4.7 Phase Measurement Subsystem
This subsystem programs the voltage phase measurement capability of the Sequoia Series power
source.
Subsystem Syntax
MEASure | FETCh
[:SCALar]
:PHASe? Returns the output voltage phase angle for the
selected phase.
MEASure:PHASe?
FETCh:PHASe?
This query returns the output voltage phase angle for the selected phase in degrees. The phase angle
for phase A is 0 degree if internal sync is used (default). Phase B and C are measured with respect
to phase A. (relative phase angle with respect to A.)
The phase being measured or fetched is determined by the INST:NSEL command. The phase
selection must be set prior to sending the MEAS command. The Fetch version may be used to obtain
the readings for other phases without triggering a new measurement.
Note: There is no equivalent command for querying the current phase angles.
However, the Harmonic measurement array function may be used for this.
Select n = 1 to query the fundamental phase angle of the current with respect
to the voltage.
Query Syntax MEASure[:SCALar]:PHASe?
Parameters None
Examples MEAS:PHAS? FETC:PHAS?
Returned Parameters <NR2>
Related Commands INST:NSEL
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