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SCC-DO01 Isolated Digital Output Module User Guide
4
ni.com
Figure 1.
Connecting a Load R
LOAD1
to V
COM
and V
OUT
(Configuration 1)
Figure 1 shows Configuration 1, with a load R
LOAD1
connected to the V
COM
and V
OUT
terminals and a voltage supply connected to the V
SS
and V
COM
terminals. Connect Configuration 1 to the SCC-DO01 by completing the
following steps:
1.
Remove all power from the signal lines.
2.
Strip 7 mm (0.27 in.) of insulation from the ends of the signal wires.
3.
Insert the wires into the screw terminals.
a.
Connect the negative lead of the voltage supply and the negative
lead from R
LOAD1
to screw terminal 1, V
COM
.
b.
Connect the positive lead from R
LOAD1
to screw terminal 2, V
OUT
.
c.
Connect the positive lead of the voltage supply to screw
terminal 1, V
SS
.
4.
Tighten the screws to 0.5 to 0.6 N
⋅
m (4.4 to 5.3 lb
⋅
in.) of torque.
+5 V
E Series
SCC-DO01
Status
LED
Power-Up
State Switch
P0.(
X )
3
16
Ω
16
Ω
66.5
Ω
1/2 w
1
V
ss
V
COM
D GND
+
–
V
OUT
I
O1
5–24 VDC
= External voltage source may be floating or ground-referenced.
2
R
LOAD1
Load
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