Rockwell Automation 1771-IS 5V DC INPUT MOD User Manual

Page 16

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background image

Module Preparation, Wiring and
Installation

Chapter 2

2-9

Figure 2.6
Typical Point-to-point Wiring for up to 72 Discrete Contact Switches (Maintained Switch
Contact Mode)

Bank 9

S7

S6

S5

S4

S3

S2

S1

S0

Enable

I

3 2 1 0

7 6 5 4

B

C

D

E

F

G

H

I

A

A

Discrete

S7

S6

S5

S4

S3

S2

S1

S0

Bank 1

Digit Junction

7

6

5

4

3

2

1

0

Field Wiring Arm

Module Inputs

1

7

I H G F E D C B A

Enable Lines

10367

1

10

Bank 8
Bank 7
Bank 6
Bank 5
Bank 4
Bank 3
Bank 2

Lines

H
G
F
E
D
C
B

Switches
(User
Supplied)

Terminal Strip

(User Supplied)

1771–WF

6 5 4 3 2

0

2

3

4

5

6

7

8

9

11

12

13

14

15

16

17

18

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