MDO3000 Programmer Manual.pdf - 第499页

Commands Listed in Alphabetical Order Group Power Syntax POWer:HARMoni cs:FREQRef:FIXED FREQValue <N R3> POWer:HARMoni cs:FREQRef:FIXED FREQValue? Arguments <NR3> is a floating point number that specifies the fi…

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Commands Listed in Alphabetical Order
Examples
POWER:HARMONI
CS:DISPLAY:TYPE GRAph
sets the display type to graphical.
POWER:HARMONICS:DISPLAY:TYPE? might return
:POWER:HARMO
NICS:DISPLAY:TYPE TAB
indicating that the display type is
set to tabular.
POWer:HARMonics:FREQRef
This comman
d specifies the frequency reference used when the harmonic standard
is None.
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
Syntax
POWer:HARMonics:FREQRef
{VOLTage|CURRent|HARMSOURce|FIXEDFREQuency}
POWer:HARMonics:FREQRef?
Arguments
VOLTage to use a voltage waveform as the frequency reference.
CURRent to use a current waveform as the frequency reference.
HARMSOURce to use a harmonic source waveform as the frequency reference.
FIXEDFREQuency to use a fixed frequency value instead of a waveform for the
frequency reference.
Examples
POWER:HARMONICS:FREQREF VOLTage sets voltage source as the frequency
reference.
POWER:HARMONICS:FREQREF? might return : POWER:HARMONICS:FREQREF
FIXEDFREQ
indicating that the frequency reference is a fixed value.
POWer:HARMonics:FREQRef:FIXEDFREQValue
This command specifies the fr
equency value when the :FREQRef selection is
FIXEDFREQuency.
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
2-468 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual
Commands Listed in Alphabetical Order
Group
Power
Syntax
POWer:HARMonics:FREQRef:FIXEDFREQValue <NR3>
POWer:HARMonics:FREQRef:FIXEDFREQValue?
Arguments
<NR3> is a floating point number that specifies the fixed frequency value.
Examples
POWER:HARMONICS:FREQREF:FIXEDFREQVALUE 100 sets the frequency to
100 Hz.
POWER:HARMONICS:FREQREF:FIXEDFREQVALUE? might return
:POWer:HARMonics:FREQREF:FIXEDFREQVALUE 60 indicating that the fixed
frequency value is set to 60 Hz.
POWer:HARMonics:IEC:CLAss
This command specifies the equipment class for IEC harmonics.
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
Syntax
POWer:HARMonics:IEC:CLAss {A|B|C1|C2|C3|D}
POWer:HARMonics:IEC:CLAss?
Arguments
A specifies Class A Equipment.
B specifies Class B Equipment.
C1 specifies Class C Equipment that use Table 1 limits of the IEC standard.
C2 specifies Class C Equipment that use Table 2 limits of the IEC standard.
C3 specifies Class C Equipment that use Table 3 limits of the IEC standard.
D specifies Class D Equipment.
Examples
POWER:HARMONICS:IEC:CLASSB sets Equipment Class B for IEC harmonics.
POWER:HARMONIC
S:IEC:CLASS?
might return
:POWER:HARMONICS:IEC:CLASS A indicating that the Equipment Class is A
for IEC harmonics.
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-469
Commands Listed in Alphabetical Order
POWer:HARMon
ics:IEC:FILter
This command specifies the enabled state for filtering of IEC harmonics.
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
Syntax
POWer:HARMonics:IEC:FILter {OFF|ON|0|1}
POWer:HARMonics:IEC:FILter?
Arguments
ON or 1 enables filtering of IEC harmonics.
OFF or 0 disables filtering of IEC harmonics.
Examples
POWER:HARMONICS:IEC:FILTER OFF disables filtering of IEC harmonics.
POWER:HARMONICS:IEC:FILTER? might return
:POWER:HARMONICS:IEC:FILTER 1 indicating that the IEC harmonics are
filtered.
POWer:HARMonics:IEC:FUNDamental
This command specifies the rated fundamental current for IEC harmonics. Valid
values ranges from 0 to 16 in increments of 0.1. The unit is ampere.
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
Syntax
POWer:HARMonics:IEC:FUNDamental <NR3>
POWer:HARMonics:IEC:FUNDamental
?
Arguments
<NR3> is a floating point number that specifies the fundamental current in
amperes.
Examples
POWER:HARMONICS:IEC:FUNDAMENTAL 1 sets the fundamental current to
1.0000 A.
2-470 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual