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I-7188XBD-CAN/μPAC-7186EXD-CAN user manual (ver.1.0.3, May/09/2014)
17
2.5.3 I-7188XBD-CAN DI & DO channel wiring diagram
The general wire connection methods for DI channel of I-7188XBD-CAN
are shown below.
(B
)G
N
D
(R
)V
S
+
(G
)D
2-
(Y
)D
2+
IN
IT
*
R
X
D
1
T
X
D
1
G
N
D
R
T
S
1
C
T
S
1
COM2
COM1
D
1-
D
1+
D
I
D
O
I-7188XBD-CAN
Dry Contact Signal Input
(B
)G
N
D
(R
)V
S
+
(G
)D
2
-
(Y
)D
2+
IN
IT
*
R
X
D
1
T
X
D
1
G
N
D
R
T
S
1
C
T
S
1
COM2
COM1
D
1-
D
1+
D
I
D
O
I-7188XBD-CAN
TTL/CMOS Signal Input
Logic Hihg
Logic Low
Switch
(B
)G
N
D
(R
)V
S
+
(G
)D
2-
(Y
)D
2+
IN
IT
*
R
X
D
1
T
X
D
1
G
N
D
R
T
S
1
C
T
S
1
COM2
COM1
D
1-
D
1+
D
I
D
O
I-7188XBD-CAN
Open-Collector Signal Input
The DO channel of I-7188XBD-CAN wire connection is shown below.
(B
)G
N
D
(R
)V
S
+
(G
)D
2
-
(Y
)D
2
+
IN
IT
*
R
X
D
1
T
X
D
1
G
N
D
R
T
S
1
C
T
S
1
COM2
COM1
D
1
-
D
1
+
D
I
D
O
I-7188XBD-CAN
V+ V-
Load
(B
)G
N
D
(R
)V
S
+
(G
)D
2
-
(Y
)D
2
+
IN
IT
*
R
X
D
1
T
X
D
1
G
N
D
R
T
S
1
C
T
S
1
COM2
COM1
D
1
-
D
1
+
D
I
D
O
I-7188XBD-CAN
V+
V-
Load