Chroma 61503 - Page 106

Programmable AC Source 61501/61502/61503/61504 User’s Manual
8-24
takes about 3 seconds to get a result. The parameter must be
set to “OFF” if users want to measure other data.
Query Syntax : SENSe : HARMonic?
Parameters : ON | OFF
Return Parameters : ON | OFF
FETCh [:SCALar] : HARMonic : THD?
MEASure [:SCALar] : HARMonic : THD?
Description : These queries return the % of total harmonic distortion.
Query Syntax : FETCh : HARMonic : THD?
MEASure : HARMonic : THD?
Return Parameters : <NR2>
FETCh [:SCALar] : HARMonic : FUNDamental?
MEASure [:SCALar] : HARMonic : FUNDamental?
Description : These queries return the fundamental of the output current or
output voltage.
Query Syntax : FETCh : HARMonic : FUNDamental?
MEASure : HARMonic : FUNDamental?
Return Parameters : <NR2>
FETCh [:SCALar] : HARMonic : ARRay?
MEASure [:SCALar] : HARMonic : ARRay?
Description : These queries return the amplitude of all the harmonic order.
Query Syntax : FETCh : HARMonic : ARRay?
MEASure : HARMonic : ARRay?
Return Parameters : <NR2>
8.6.2.11 SYNTHESIS Sub-system
[SOURce :]
SYNThesis
: COMPose
: AMPLitude
: PHASe
: FUNDamental
: DC
: FREQuency
: SPHase
OUTPut
: MODE
TRIG
TRIG : STATE?
[SOURce :] SYNThesis : COMPose
Description : This command sets the data form of each harmonic order.
VALUE : the absolute value. PERCENT : the percentage of
fundamental voltage. Users can program 4 waveforms to
execute.
Query Syntax : [SOURce :] SYNThesis : COMPose?
Parameters : VALUE1 | VALUE2 | PERCENT1 | PERCENT2
Return Parameters : VALUE1 | VALUE2 | PERCENT1 | PERCENT2