Rockwell Automation 1791-XXXX Discrete I/O AC and DC Block I/O Input and Output Modules User Manual
Page 30
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Installing Block I/O
Chapter 3
3-11
Connections
1791-32A0 Series B
Connector/Terminal
Connections
Designation
Description
Left Conn.
Right Conn.
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
in 00 thru in 07
Input 00 thru 07
16, 18, 20,
22, 24, 26,
28, 30
Input
COM 1
L2/N Input Common
10, 12, 14
2
Input
(G)
6
COM 2
L2/N Input Common
9, 11, 13
3
PLC: in 10 thru in 17
SLC: in 08 thru in 15
PLC: Input 10 thru 17
SLC: Input 08 thru 15
15, 17, 19,
21, 23, 25,
27, 29
in 00 thru in 07
Input 00 thru 07
15, 13, 11, 9, 7, 5,
3, 1
Input
COM 3
L2/N Input Common
17, 19, 21
4
Input
(G+1)
7
COM 4
L2/N Input Common
18, 20, 22
5
PLC: in 10 thru in 17
SLC: in 08 thru in 15
PLC: Input 10 thru 17
SLC: Input 08 thru 15
16, 14, 12, 10, 8,
6, 4, 2
Not used
For internal test only;
not for customer use.
4, 5
29, 27, 26
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 Left connector terminals 10, 12 and 14 are internally connected together.
3 Left connector terminals 9, 11 and 13 are internally connected together
4 Right connector terminals 21, 19 and 17 are internally connected together
5 Right connector terminals 22, 20 and 18 are internally connected together
6
IN (G) = input module group (1 word).
7
IN (G+1) = input module group plus 1 word