Ametek Lx Series II Programming Manual Instrukcja Użytkownika Strona 61

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Programming Manual Lx \ Ls Series II
57
4.11 Power Measurement Subsystem
This subsystem programs the power 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]
:POWer
[:DC]? Returns the dc component of power
:AC
[:REAL]? Returns real power
:APParent? Returns VA
:REACtive? Returns VAR
:PFACtor? Returns power factor
:TOTal? Returns real 3-phase total power
MEASure:POWer?
FETCh:POWer?
Phase Selectable
These queries return the dc component of the power being sourced at the output terminals in
watts.
Query Syntax MEASure[:SCALar]:POWer[:DC]?
FETCh[:SCALar]:POWer[:DC]?
Parameters None
Examples MEAS:POW? FETC:POW?
Returned Parameters <NR3>
Related Commands INST:NSEL
MEASure:POWer:AC?
FETCh:POWer:AC?
Phase Selectable
These queries return the in-phase component of power being sourced at the output terminals in
watts.
Query Syntax MEASure[:SCALar]:POWer:AC[:REAL]?
FETCh[:SCALar]:POWer:AC[:REAL]?
Parameters None
Examples MEAS:POW:AC? FETC:POW:AC?
Returned Parameters <NR3>
Related Commands INST:NSEL
MEASure:POWer:AC:APParent?
FETCh:POWer:AC:APParent?
Phase Selectable
These queries return the apparent power being sourced at the output terminals in volt-amperes.
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