User Manual

Remote operation
Harmonics
To return harmo
nics, first the number of harmonic and the scope need to be
selected and then they need to be added to the list of results on the display.
:HMX:VLT:SEQ 0
Select odd and even harmonics (use 1 to
select odd harmonics only).
:HMX:VLT:RNG 9
Return all harmonics from 1 to 9.
:SEL:VHM
Add Voltage harmonics to the list.
Now, assuming :SEL:CLR has not been issued after example 1, then the following
results would be returned by :FRD?
V
rms
,A
rms
, Freq, Watt, VA, VA
r
,PF,V
pk+
,A
pk+
,V
h1Mag
,V
h1Ph
,V
h2Mag
,V
h2Ph
,…,
V
h9Mag
,V
h9Ph
.
Communic
ation example
using a group of channels
Example showing a full sequence of commands used to communicate with a
group of channels. This example will use the 1 A shunt and will blank b elow
5% of the range.
*RST
Reset the instrument to default values.
*IDN?
Identify the instrument and returns a string
that can be used by the user in the software
“Tektronix, PA3000, Serial Number, Firmware
Ve rsion”.
:INST:NSEL 1
Select group 1.
:WRG:3P3
Set Channel 1 and Channel 2 for 3 phase 3
wire setup as part of group 1.
:RNG:VLT:AUT
Set voltage auto ranging.
:RNG:AMP:AUT
Sets current auto ranging.
:SHU:INT1A
Set the 1A shunt for current measurements.
:FSR:VLT
Set voltage as the frequency source.
:BLK:ENB
Enable blanking.
:AVG:AUT 5
Set the measurements average to 5.
:SEL:CLR
Clear the measurement selection list.
:SEL:VLT
Select V
rms
.
:SEL:WAT
Select watts power.
:SEL:AMP
Select A
rms
.
:SEL:FRQ
Select frequency.
:SEL:PWF
Select power factor.
:SEL:VAS
Select VA power.
{}
{
Any additional parameters such as harmonics enter here. (See page 98, Harmonics.)}
{}
:DSE 3
Set DSR when data is available.
98 PA3000 Power Analyzer User Manual