MDO3000 Programmer Manual.pdf - 第505页

Commands Listed in Alphabetical Order Conditions This command re quires a DPO4PWR application m odule for 4000 series models, or an MDO3PWR application module for MDO3000 series models. Group Power Syntax POWer:HARMoni c…

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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
Commands Listed in Alphabetical Order
POWer:HARMon
ics:NR_HARMonics
This command specifies the number of harmonics (value ranging from 20 to 400)
when the harmonics standard is NONe.
Conditions
This command requires a DPO4PWR a
pplication module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
Syntax
POWer:HARMonics:NR_HARMonics <NR3>
POWer:HARMonics:NR_HARMonics?
Arguments
<NR3> is a floating point number that specifies the number of harmonics.
Examples
POWER:HARMONICS:NR_HARMONICS 100 sets the number of harmonics to 100.
POWER:HARMONICS:NR_HARMONICS? might return
:POWer:HARMonics:NR_HARMONICS 40 indicating that the number of
harmonics is set to 40.
POWer:HARMonics:RESults:HAR<1-400>:FREQuency? (Query Only)
Returns the frequency of the harmonic.
NOTE. The query returns NA, if the curre nt harmonic standard is set to a new
standard other than the returned query.
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:RESults:HAR<1-400>:FREQuency?
Examples
POWER:HARMONICS:RESULTS:HAR400:FREQUENCY? might return
:POWER:HARMONICS:RESULTS:HAR400:FREQUENCY 24000 indicating that
the harmonic frequency is set to 24000.
2-476 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual