Rockwell Automation 1791-XXXX Discrete I/O AC and DC Block I/O Input and Output Modules - Manual (Page 49)

Installing Block I/O
Chapter 3
3-30
Figure 3.21
Input/Output Wiring Connections for the 1791Ć24B8 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
in 10
in 13
in 14
in 15
in 16
in 17
NOT
USED
in 11
in 12
RET 1 connections are internally connected together.
RET 2 connections are internally connected together.
RET 3 connections are internally connected together.
Vdc 4 connections must be externally connected together to accommodate amperage rating.
Output fusing is recommended. Refer to Table 2.B on page 2Ć8.
in 00
in 01
in 02
in 03
in 04
in 05
in 06
in 07
NOT
USED
out 00
NOT
USED
NOT
USED
NO
CONN
NO
CONN NO
CONN
NO
CONN
NO
CONN
1
30
24V dc
24V dc
24V dc
24V dc
+
+
+
+
_
_
_
+24
RET
+24
RET
2
RET
2
NOT
USED
RET
1
RET
1
NOT
USED
RET
3
RET
3
Vdc
4
Vdc
4
out 01
out 02
out 03
out 04
out 05
out 06
out 07
24V dc
+
_
_
RET
4 NOT
USED
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
in 00
in 01
in 02
in 03
in 04
in 05
in 06
in 07
NOT
USED
out 00
NOT
USED
NOT
USED
NO
CONN
NO
CONN NO
CONN
NO
CONN
NO
CONN
1
30
24V dc
24V dc
24V dc
24V dc
+
+
+
+
_
_
_
_
+24
RET
+24
RET
2
RET
2
NOT
USED
RET
1
RET
1
NOT
USED
RET
3
RET
3
Vdc
4
Vdc
4
out 01
out 02
out 03
out 04
out 05
out 06
out 07
in 08
in 09
in 10
in 11
in 12
in 13
in 14
in 15
24V dc
+
_
RET
4 NOT
USED
1
2
29
30 1
2
29
30