SET9010MAN0100
U
SER
M
ANUAL
Issue: 04
LVDT9312
Page 37 of 39
6.
T
ECHNICAL
S
PECIFICATION
6.1
H
OUSING
NI CompactRIO 9952 Standard Housing
Dimensions: appr. 71mm x 72mm x 23mm
x
6.2
E
XTERNAL
P
OWER
S
UPPLY
Supply Voltage:
9V
DC
–
36V
DC
Power Consumption:
max. 1.5 Watt
without Resolver
Caution:
The external power supply input is isolated from the cRIO chassis signals with a
maximum isolation voltage of 500V
DC
. Note that the excitation output and the Signals Ua
and Ub are galvanically connected to the external power supply.
6.3
E
XCITATION
O
UTPUT
Frequency:
1kHz
–
10kHz, adjustable via software
Amplitude:
2V
RMS
–
7 V
RMS
, adjustable via software
Current:
max. 120mA
RMS
Caution:
The excitation output can be damaged when a power source is connected to its
terminals. Driving the excitation regularly in short circuit condition will degrade
performance!