©
National Instruments Corp.
3
NI 9512 Operating Instructions and Specifications
Special Conditions for Marine Applications
Some mod
u
les are Lloyd’s Register (LR) Type Approved for
marine applications. To verify Lloyd’s Register certification, go to
ni.com/certification
and search for the LR certificate, or
look for the Lloyd’s Register mark on the mod
u
le.
Caution
To meet radio freq
u
ency emission req
u
irements
for marine applications,
u
se shielded cables and install
the system in a metal enclos
u
re. S
u
ppression ferrites
m
u
st be installed on power s
u
pply inp
u
ts near power
entries to mod
u
les and controllers. Power s
u
pply and
mod
u
le cables m
u
st be separated on opposite sides of the
enclos
u
re and m
u
st enter and exit thro
u
gh opposing
enclos
u
re walls.
Connecting the NI 9512
The NI 9512 stepper drive interface mod
u
le is part of a family of
C Series motion mod
u
les. The mod
u
le provides stepper drive
interface signals for a single axis, a f
u
ll set of motion I/O incl
u
ding
inp
u
ts for a home switch and limit switches, incremental encoder
inp
u
ts for position feedback, and 0 to 30 V digital inp
u
t and o
u
tp
u
t
lines. The NI 9512 also incl
u
des a processor to r
u
n the spline
