21
Dymax BlueWave® LED Flood System User Guide
Wiring the PLC Interface
The
BlueWave LED Flood
System includes a 25-pin D-subminiature
connector (Figure 23) on the rear panel of the power supply for
communication with a PLC or similar process control equipment. The
connector provides for input and output signals.
Typical connections to a PLC should be made according to Figure 24.
Figure 24. Typical Connections to a PLC
24VDC POWER
SUPPLY
P
O
W
ER
S
U
P
P
LY
P
LC
C
O
N
N
EC
TO
R
+24VDC
+24VDC RETURN/SIGNAL COMMON
+2
4
V
D
C
+2
4
V
D
C
R
ET
U
R
N
/S
IG
N
A
L C
O
M
M
O
N
Typical PLC with Isolation
Ty
p
ic
al
Flo
o
d
S
ys
te
m
In
p
u
t
In
te
rfa
cin
g
Ty
p
ic
al
Flo
o
d
S
ys
te
m
O
u
tp
u
t I
n
te
rfa
cin
g
1
0
K
Ω
G
en
er
al
(O
p
tic
al
In
te
n
sit
y
In
p
u
t 2
.5
K
)
Figure 23. 25-Pin D-
Subminiature Connector
