User Manual
Remote operation
:SHU
Shunt selectio
n
Syntax
:SHU:INT
:SHU:INT1A
:SHU:EXT
INT – set inte
rnal 30 A
rms
shunt
INT1A – set internal 1 A
rms
shunt
EXT – set external shunt
Description
This command sets the shunt for all channels in the currently selected
group.
Use the :INST:NSEL command first to select the active group.
Syntax
:SHU?
Returns 0, 1, or 2
Description
This comm
and returns the shunt setting for the currently selected group.
0 – Internal 30 A
rms
shunt
1 – Internal 1 A
rms
shunt
2–Exter
nal shunt
Use the :INST:NSEL command first to select the active group.
:FSR
Frequency settings
Syntax
:FSR:VLT
:FSR:AMP
:FSR:EXT1
:FSR:EXT2
VLT – set voltage channel as the source.
INT1A – set current channel as the source.
EXT1 – set external count
er input 1 as the source.
EXT2 – set external counter input 2 as the source.
Description
This command sets the frequency source for the currently selected
group. The first channel in the group determines the frequency. Use the
:INST:NSEL command firs
t to select the active group.
Syntax
:FSR?
Returns 0,1,2,or3
Description
This command returns the currently configured frequency source for the
selected group.
The values returned correspond to:
0 – Voltage channel
1 – C urrent channel
2 – External counter input 1
3 – External counter input 2
Because this comman
d works with a group, use the :INST:NSEL command
first to select the active group.
PA3000 Power Analyzer User Manual 85