MDO3000 Programmer Manual.pdf - 第504页

Commands Listed in A lphabetical Order Syntax POWer:HARMoni cs:MIL:FUNDament al:CALCmethod {MEAS|USER} POWer:HARMoni cs:MIL:FUNDament al:CALCmethod? Arguments MEAS specifies that the value of the fundame ntal current used…

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Commands Listed in Alphabetical Order
Arguments
<NR3> isafloati
ng point number that specifies the IEC observation period. Valid
values ranges from 0.2 to 10 s.
Examples
POWER:HARMONICS:IEC:OBSPERIOD 3 sets the IEC observation period to
3.0000 s.
POWER:HARMONICS:IEC:OBSPERIOD? might return
:POWER:HARMONICS:IEC:OBSPERIOD 10 indicating that the IEC observation
period is set to 10 s.
POWer:HARMonics:IEC:POWERFACtor
This command specifies the rated power factor 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:POWERFACtor <NR3>
POWer:HARMonics:IEC:POWERFACtor?
Arguments
<NR3> is a floating point number that specifies the power factor. Valid values
ranges from 0 to 1 in increments of 0.1.
Examples
POWER:HARMONICS:IEC:POWERFACTOR 1 sets the power factor to 1.0000.
POWER:HARMONICS:IEC:POWERFACTOR? might return
:POWER:HARMONICS:IEC:POWERFACTOR 900.0000E-03 indicating
that the power factor is set to 0.9.
POWer:HARMonics:MIL:FUNDamental:CALCmethod
This command specifies the measurement method for the MIL harmonics
fundamental current for use in calculating limits.
Conditions
This command requires a DPO4PWR application module for 4000 serie
smodels,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-473
Commands Listed in Alphabetical Order
Syntax
POWer:HARMoni
cs:MIL:FUNDamental:CALCmethod {MEAS|USER}
POWer:HARMonics:MIL:FUNDamental:CALCmethod?
Arguments
MEAS specifies that the value of the fundamental current used in calculating limits
is measured.
USER specifies that the value of the fundamental current used in calculated limits
is user defined.
Examples
POWER:HARMONICS:MIL:FUNDAMENTAL:CALCMETHOD USER sets the
measurement method to User.
POWER:HARMONICS:MIL:FUNDAMENTAL:CALCMETHOD? might return
:POWER:HARMONICS:MIL:FUNDAMENTAL:CALCMETHOD MEAS indicating that
the measu
rement method is set to Meas.
POWer:HARMonics:MIL:FUNDamental:USER:CURrent
This command specifies RMS amperes for USER CALCmethod.
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:MIL:FUNDamental:USER:CURrent <NR3>
POWer:HARMonics:MIL:FUNDamental:USER:CURrent?
Arguments
<NR3> is a floating point number that specifies the current in amperes for USER
CALCmethod.
Examples
POWER:HARMONICS:MIL:FUNDAMENTAL:USER:CURRENT 2 sets the RMS
fundamental current to 2 A in calculating limits.
POWER:HARMONICS:MIL:FUNDAMENTAL:USER:CURRENT? might return
:POWER:HARMONICS:MIL:FUNDAMENTAL:USER:CURRENT 1.0000 indicating
that the RMS fundamental current for use in calculating limits is 1.0000 A.
POWer:HARMonics:MIL:LINEFREQuency
This command specifies the line frequency for MIL-STD-1399 Section 300A
harmonics tests. Valid values are 60 or 400 Hz.
2-474 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual
Commands Listed in Alphabetical Order
Conditions
This command re
quires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
Syntax
POWer:HARMonics:MIL:LINEFREQuency <NR1>
POWer:HARMonics:MIL:LINEFREQuency?
Arguments
<NR1> is an unsigned integer that specifies the line frequency for the MIL
standard.
Examples
POWER:HARMONICS:MIL:LINEFREQUENCY 60 sets the MIL line frequency to
60 Hz.
POWER:HARMONICS:MIL:LINEFREQUENCY? might return
:POWER:HARMONICS:MIL:LINEFREQUENCY 400 indicating that the
MIL line frequency is set to 400 Hz.
POWer:HARMonics:MIL:POWERLEVel
This command specifies the power level for calculating limits fo
r MIL-STD-1399
Section 300A harmonics tests.
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:MIL:POWERLEVel {LOW|HIGH}
POWer:HARMonics:MIL:POWERLEVel?
Arguments
LOW specifies low power level for MIL-STD-1399 harmonics tests.
HIGH specifies high power level for MIL-STD-1399 harmonics tests.
Examples
POWER:HARMONICS:MIL:POWERLEVEL HIGH sets the MIL power level to High.
POWER:HARMONICS:MIL:POWERLEVEL? might return
:POWER:HARMONICS:MIL:POWERLEVEL LOW indicating that the MIL power
level is set to Low.
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-475