©
National Instruments Corp.
9
NI 9481 Operating Instructions and Specifications
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 9481.
When the channel is t
u
rned on, the terminal connected to the load
drives c
u
rrent or applies voltage to the load. When the channel is
off, the terminal does not drive c
u
rrent or apply voltage to the load.
Wiring for High-Vibration Applications
If an application is s
u
bject to high vibration, National Instr
u
ments
recommends that yo
u
either
u
se ferr
u
les to terminate wires to the
detachable screw-terminal connector or
u
se the NI 9932 backshell
kit to protect the connections. Refer to Fig
u
re 4 for an ill
u
stration
of
u
sing ferr
u
les. Refer to Fig
u
re 1 for an ill
u
stration of the
NI 9932 connector backshell.