MDO3000 Programmer Manual.pdf - 第529页

Commands Listed in Alphabetical Order Syntax POWer:QUALity :VRMS? Examples POWER:QUALITY :VRMS? might return :POW ER:QUALITY:VRMS 115 indicating that the rms voltage value is set to 1 15 V . POWer:REFLevel:ABSolute (No Q…

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Commands Listed in Alphabetical Order
Syntax
POWer:QUALity
:TRUEpwr?
Examples
POWER:QUALITY:TRUEPWR? might return :POWER:QUALITY:TRUEpwr
1000 W
indicating that the true power value is set to 1000 W.
POWer:QUALity:VCRESTfactor? (Query Only)
This query returns the measurement for the voltage crest factor.
Conditions
This command requires the optional power analysis application module
DPO4PWR
Group
Power
Syntax
POWer:QUALity:VCRESTfactor?
Related Commands
POWer:QUALity:DISplay:ICRESTfactor,
APPLication:TYPe
POWer:TYPe
Returns
Floating point number.
Examples
POWer:QUALity:VCRESTfactor? might return 1.4, indicati
ng that the crest
factor is 1.4.
POWer:QUALity:VCRESTfactor? might return 9.9100E+37,
indicating that the
voltage crest factor measurement has not been computed.
POWer:QUALity:VRMS? (Query Only)
Returns the RMS voltage measurement.
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
2-498 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual
Commands Listed in Alphabetical Order
Syntax
POWer:QUALity
:VRMS?
Examples
POWER:QUALITY:VRMS? might return :POWER:QUALITY:VRMS 115 indicating
that the rms voltage value is set to 115 V.
POWer:REFLevel:ABSolute (No Query Form)
This command sets the reference levels to be used for power measurements their
default unit values.
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:REFLevel:ABSolute {SETTODEFaults}
Arguments
SETTODEFaults sets the reference levels to their default values.
POWer:REFLevel:ABSolute:HIGH
This command specifies the top reference level to be used for power
measurements.
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:REFLevel:ABSolute:HIGH <NR3>; Ranges={D,-1e6 ,+1E6}
POWer:REFLevel:ABSolute:HIGH?
Arguments
<NR3> is a floating point number that specifies the absolute high value in volts.
Default value is 0.0E+0
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-499
Commands Listed in Alphabetical Order
Examples
POWER:REFLEVE
L:ABSOLUTE:HIGH 2
sets the absolute high value to 2.000.
POWER:REFLEVEL:ABSOLUTE:HIGH? might return
POWER:REFLEV
EL:ABSOLUTE:HIGH 2
indicating that the absolute high
valueissetto2V.
POWer:REFLevel:ABSolute:LOW
This comman
d specifies the low reference level to be used for power
measurements.
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:REFLevel:ABSolute:LOW <NR3>; Ranges={D,-1e6, +1E6}
POWer:REFLevel:ABSolute:LOW?
Arguments
<NR3> is a floating point numb
er that specifies the absolute low value in volts.
Default value is 0.0E+0.
Examples
POWER:REFLEVEL:ABSOLUTE:LOW 1.0 sets the absolute high value to 1.0000.
POWER:REFLEVEL:ABSOLUTE:LOW? might return
POWER:REFLEVEL:ABSOLUTE:LOW 1.0000 indicating that the absolute low
valueissetto1V.
POWer:REFLevel:ABSolute:MID<x>
This command specifies the mid reference level to be used for power
measurements. MID1 is used on the user’s voltage waveform. MID2 is used on
the user’s current waveform. MID3 is used on the user’s gate waveform. (MID3
is specific to the power application.)
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
2-500 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual