NI 9233 Operating Instructions and Specifications
20
ni.com
Common-mode voltage range
(AI– to earth gro
u
nd) ........................ ±2 V max
IEPE excitation c
u
rrent
Minim
u
m.................................... 2.0 mA
Typical ........................................ 2.2 mA
IEPE compliance voltage.................. 19 V max
Use the following eq
u
ation to make s
u
re that yo
u
r config
u
ration
meets the IEPE compliance voltage range.
V
common-mode
+ V
bias
±V
full-scale
m
u
st be 0 to 19.
where
V
common-mode
is any common-mode voltage applied to
the NI 9233,
V
bias
is the bias voltage of the accelerometer, and
V
full-scale
is the f
u
ll-scale voltage of the accelerometer.
