Rockwell Automation 1791-XXXX Discrete I/O AC and DC Block I/O Input and Output Modules User Manual
Page 44
Installing Block I/O
Chapter 3
3-25
Connections
1791-32B0 Series B
Connector/Terminal
Connections
Designation
Description
Left
Right
P
+24
+24V dc Power
1
Power
Connections
RET +24
dc Return
3
Connections
GND
Chassis ground
2
1
R
t I/O
BLU
Blue wire - RIO
6
Remote I/O
Connections
CLR
Clear wire - RIO
8
Connections
SHD
Shield - RIO
7
I/O Connections
PLC: in 00 thru 07
SLC: in 00 thru 07
PLC: Input 00 thru 07
SLC: Input 00 thru 07
16, 18, 20,
22, 24, 26,
28, 30
Input
RET 1
dc input return
12, 14
2
Input
(G)
6
PLC: in 10 thru 17
SLC: in 08 thru 15
PLC: Input 10 thru 17
SLC: Input 08 thru 15
15, 17, 19,
21, 23, 25,
27, 29
RET 2
dc input return
11, 13
3
PLC: in 00 thru 07
SLC: in 00 thru 07
PLC: Input 00 thru 07
SLC: Input 00 thru 07
15, 13, 11, 9,
7, 5, 3, 1
Input
RET 3
dc input return
19, 17
4
Input
(G + 1)
7
PLC: in 10 thru 17
SLC: in 08 thru 15
PLC: Input 10 thru 17
SLC: Input 08 thru 15
16, 14, 12,
10, 8, 6, 4, 2
RET 4
dc input return
20, 18
5
Not used
For internal test only;
not for customer use.
4, 5, 9, 10
29, 27, 26,
22, 21
No Conn
No internal connection;
customer can use.
30, 28, 25,
24, 23
1 Connect chassis ground to equipment grounding stud. These are not internally connected.
2 Terminals 12 and 14 are internally connected together.
3 Terminals 11 and 13 are internally connected together.
4 Terminals 19 and 17 are internally connected together.
5 Terminals 20 and 18 are internally connected together.
6
IN (G) = input module group.
7
IN (G + 1) = input module group plus 1.