©
National Instruments Corp.
5
[c]FP-DO-403
Figure 3.
Wiring for Low-Current Applications
Wiring for High-Current Applications
If your application requires more than 2 A combined current
through all channels of the [c]FP-DO-403, wire your application
as shown in Figure 4. Install a 2 A maximum, fast-acting fuse
(F2A 250V) in series with each load as shown.
Figure 4.
Wiring for High-Current Applications
COM
V
OUT
V
C
[c]FP-DO-40
3
Lo
a
d
–
+
5–
3
0 VDC
Extern
a
l Power
Su
pply
V
S
UP
V
OUT
2 A M
a
x
U
s
er-
Su
pplied
F
us
e
Lo
a
d
COM
V
OUT
V
C
[c]FP-DO-40
3
Lo
a
d
–
+
5–
3
0 VDC
Extern
a
l Power
Su
pply
V
S
UP
V
OUT
2 A M
a
x
U
s
er-
Su
pplied
F
us
e
Lo
a
d
2 A M
a
x
U
s
er-
Su
pplied
F
us
e
2 A M
a
x
U
s
er-
Su
pplied
F
us
e
