©
National Instruments Corp.
3
NI 9472/9474
Hot Surface
This icon denotes that the component may be
hot. To
u
ching this component may res
u
lt in bodily inj
u
ry.
Safety Guidelines for Hazardous Voltages
Yo
u
can connect hazardo
u
s voltages only to the NI 9472/9474 with
screw terminal. Do
not
connect hazardo
u
s voltages to the NI 9472
with DSUB.
If hazardo
u
s voltages are connected to the mod
u
le, take the
following preca
u
tions. A hazardo
u
s voltage is a voltage greater
than 42.4 V
pk
or 60 VDC to earth gro
u
nd.
Caution
Ens
u
re that hazardo
u
s voltage wiring is
performed only by q
u
alified personnel adhering to local
electrical standards.
Caution
Do
not
mix hazardo
u
s voltage circ
u
its and
h
u
man-accessible circ
u
its on the same mod
u
le.
Caution
Make s
u
re that devices and circ
u
its connected to
the mod
u
le are properly ins
u
lated from h
u
man contact.
Caution
When mod
u
le terminals are hazardo
u
s voltage
LIVE (>42.4 V
pk
/60 VDC), yo
u
m
u
st ens
u
re that devices
