Ametek Lx Series II Programming Manual Manuel d'utilisateur Page 63

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Programming Manual Lx \ Ls Series II
59
4.12 Voltage Measurement Subsystem
This subsystem programs the voltage measurement capability of the Lx\Ls Series. Two
measurement commands are available: MEASure and FETCh. MEASure triggers the acquisition
of new measurement data before returning a reading. FETCh returns a reading computed from
previously acquired data.
Individual outputs of a three-phase source are specified by the setting of INSTrument:NSELect.
Subsystem Syntax
MEASure | FETCh
[:SCALar]
:VOLTage
[:DC]? Returns the dc component of the voltage
:AC? Returns ac rms voltage
:ACDC? Returns ac+dc rms voltage
:HARMonic
[:AMPLitude]? <n> Returns amplitude of the Nth harmonic of voltage
:PHASe? <n> Returns phase of the Nth harmonic of voltage
:THD? Returns % of total harmonic distortion of voltage
:THD:MODE RMS | FUND Sets THD calculation to either RMS or Fundamental
mode.
MEASure:VOLTage?
FETCh:VOLTage?
Phase Selectable
These queries return the dc component of the output voltage being sourced at the output
terminals.
Query Syntax MEASure[:SCALar]:VOLTage[:DC]?
FETCh[:SCALar]:VOLTage[:DC]?
Parameters None
Examples MEAS:VOLT? FETC:VOLT?
Returned Parameters <NR3>
Related Commands INST:NSEL
MEASure:VOLTage:AC?
FETCh:VOLTage:AC?
Phase Selectable
These queries return the ac rms voltage being sourced at the output terminals.
Query Syntax MEASure[:SCALar]:VOLTage:AC?
FETCh[:SCALar]:VOLTage:AC?
Parameters None
Examples MEAS:VOLT:AC? FETC:VOLT:AC?
Returned Parameters <NR3>
Related Commands INST:NSEL
MEASure:VOLTage:ACDC?
FETCh:VOLTage:ACDC?
Phase Selectable
These queries return the ac or dc rms voltage being sourced at the output terminals.
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