NI 9222/9223
8
ni.com
Caution
Electrostatic Discharge (ESD) can damage this
prod
u
ct. To prevent damage,
u
se ind
u
stry-standard ESD
prevention meas
u
res d
u
ring installation, maintenance,
and operation.
The NI 9222/9223 has fo
u
r 2-terminal detachable screw-terminal
connectors.
Note
Yo
u
m
u
st
u
se 2-wire ferr
u
les to create a sec
u
re
connection when connecting more than one wire to a
single terminal on the NI 9222/9223.
Yo
u
can connect gro
u
nd-referenced or floating signal so
u
rces to
the NI 9222/9223. Connect the positive signal of the signal so
u
rce
to the AI+ terminal, and connect the negative signal of the signal
so
u
rce to the AI– terminal. If yo
u
make a gro
u
nd-referenced
connection between the signal so
u
rce and the NI 9222/9223, make
s
u
re the voltage on the AI+ and AI– connections are in the
channel-to-earth safety voltage range to ens
u
re proper operation of
the NI 9222/9223. Refer to the
Specifications
section for more
information abo
u
t operating voltages and overvoltage protection.
Refer to Fig
u
res 2 and 3 for ill
u
strations of how to connect
gro
u
nded and floating signal so
u
rces to the NI 9222/9223.
