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

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