Rockwell Automation 1791-XXXX Discrete I/O AC and DC Block I/O Input and Output Modules - Manual (Page 28)

Installing Block I/O
Chapter 3
3-9
Figure 3.8
Input/Output Wiring Connections for the 1791Ć8AR Series B
RIO
L2/N/- L1/+
L2/N
L1
1
30
PLC and SLC
GND
COM
in
BLU
CLR
in 00
in 01
in 02
in 03
in 04
in 05
in 06
in 07
COM
in
COM
in
NOT
USED
L1
N
SHD
out 00
out 02
out 03
out 04
out 05
out 06
out 07
NOT
USED
Vac/dc
out
out 01
12387-I
L2/N L1
NOTE: COM in connections are internally connected together.
Vac/dc out connections must be externally connected together to accommodate total amperage.
Output fusing is recommended. Size fuse according to output load and surge current requirements.
1
2
29
30
Vac/dc
out
Vac/dc
out
ac/dc
Connections
1791-8AR Series B
Connections
Designation Description Terminal No.
Power
L1 ac hot 1
Power
Connections N ac neutral 3
GND Chassis ground 2 1
Remote I/O
BLU Blue wire - RIO 6
Remote I/O
Connections CLR Clear wire - RIO 8
SHD Shield - 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
Vac/dc out ac or dc 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.