Rockwell Automation 1791-XXXX Discrete I/O AC and DC Block I/O Input and Output Modules User Manual
Page 27

Installing Block I/O
Chapter 3
3-8
Figure 3.7
Input/Output Wiring Connections for the 1791Ć8AC
Series B
PLC and SLC
RIO
L2/N
L1
L2/N
L1
1
30
GND
BLU
CLR
in 00
in 01
in 02
in 03
in 04
in 05
in 06
in 07
NOT
USED
L1
N
SHD
out 00
out 02
out 03
out 04
out 05
out 06
out 07
NOT
USED
out 01
12390-I
L1 L2/N
COM
in
COM
in
COM
in
L1
out
NOTE:
COM in connections are internally connected together.
L1 out connections must be externally connected together to accommodate total amperage.
Output fusing is recommended. Refer to Table
2.B on page 2Ć8.
1
2
29
30
L1
out
L1
out
Connections
1791Ć8AC
Series B
Connections
Designation
Description
Terminal
Power
L1
ac hot
1
Power
Connections
N
ac neutral
3
GND
Chassis ground
2
1
Remote I/O
BLU
Blue wire Ć RIO
6
Remote I/O
Connections
CLR
Clear wire Ć RIO
8
SHD
Shield Ć RIO
7
I/O Connections
Input
in 00 thru in 07
Input 00 thru 07
16, 18, 20, 22, 24, 26, 28, 30
Input
COM in
L2/N input common
10, 12, 14
2
Output
L1 out
L1 output supply
9, 11, 13
3
Output
out 00 thru out 07
Output 00 thru 07
15, 17, 19, 21, 23, 25, 27, 29
Not used
For internal test only; not for
customer use.
4, 5
1 Connect chassis ground to equipment grounding stud. These are not internally connected.
2 Terminals 10, 12 and 14 are internally connected.
3 Terminals 9, 11 and 13 must be externally connected by customer.