
Installing Block I/O
Chapter 3
3-28
Figure 3.20
Input/Output
W
iring Connections for the 179116BC Series B
RIO
1
30
PLC
GND
BLU
CLR
in
00
in 01
in 02
in 03
in 04
in 05
in 06
in 07
NOT
USED
SHD
NOT
USED
+24
RET
+24
24V dc
+
-
RET
2
RET
2
NOT
USED
RET
1
RET
1
NOT
USED
+
+
-
-
in
1
1
in 10
in 12
in 13
in 14
in 15
in 16
in 17
NOT
USED
out 00
out 01
out 02
out 03
out 04
out 05
out 06
out 07
out 10
out 12
out 13
out 14
out 15
out 16
out 1
1
out 17
NOT
USED
NOT
USED
NO
CONN
NO
CONN
NO
CONN
NO
CONN
NO
CONN
30
1
RET
3
Vdc
3
Vdc
3
RET
4
Vdc
4
Vdc
4
+
_
+
_
24V dc
24V dc
24V dc
24V dc
RET
1 connections are internally connected.
RET 2 connections are internally connected.
Vdc 3 connections must be externally connected to accommodate amperage rating.
Vdc 4 connections must be externally connected to accommodate amperage rating.
Output fusing is recommended. Refer to
Table 2.B
on page
28.
1
2
29
30
1
2
29
30
NOTE:
RIO
1
30
SLC
GND
BLU
CLR
in
00
in 01
in 02
in 03
in 04
in 05
in 06
in 07
NOT
USED
SHD
NOT
USED
+24
RET
+24
24V dc
+
-
RET
2
RET
2
NOT
USED
RET
1
RET
1
NOT
USED
+
+
-
-
NOT
USED
out
00
out 01
out 02
out 03
out 04
out 05
out 06
out 07
NOT
USED
NOT
USED
NO
CONN
NO
CONN
NO
CONN
NO
CONN
NO
CONN
30
1
RET
3
Vdc
3
Vdc
3
RET
4
Vdc
4
Vdc
4
+
_
+
_
24V dc
24V dc
24V dc
24V dc
out
08
out 09
out 10
out 1
1
out 12
out 13
out 14
out 15
in 08
in 09
in 10
in 1
1
in 12
in 13
in 14
in 15
1
2
29
30
1
2
29
30
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