NI 9237E Operating Instructions and Specifications
6
ni.com
When you connect a half bridge to the NI 9237E, you must connect
the AI+, EX+ and EX–, and RS+ and RS– signals, but you do not
need to connect the AI– signal because it is connected internally.
When you connect a full bridge, you must connect the AI+ and
AI–, EX+ and EX–, and RS+ and RS– signals. Refer to Figure 4
for an illustration of how to connect half and full bridges to the
NI 9237E.
Note
You can use a quarter bridge with the NI 9237E if
you add a resistor externally to create a half bridge. You
also can use a quarter bridge with the NI 9237E
with RJ-50 if you use the NI 9944 or NI 9945 Quarter
Bridge Completion Accessory. Visit
ni.com
and search
for the NI 9944 and NI 9945 Quarter Bridge Completion
Accessories for more information about these accessories
and how to purchase them.
Note
National Instruments does not recommend using
an RJ-45 cable with the NI 9237E with RJ-50 because it
can physically damage pins 1 and 10 on the device, and
thus permanently disable shunt calibration no matter
what connector you use.
