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

Page 27

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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.

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