Rockwell Automation 1771-IS 5V DC INPUT MOD User Manual
Page 13
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Module Preparation, Wiring, and
Installation
Chapter 2
2-6
Figure 2.4
Typical Point-to-point Wiring for Up to Four 4-digit Thumbwheel Switches (Maintained
Switch Contact Mode)
Enable
SW4
8 4 2 1
8 4 2 1
C
D
E
F
G
H
I
B
A
A
A
B
B
LSD
LMD
UMD
MSD
SW1
4–Digit
Digit Junction
8
4
2
1
Field Wiring Arm
Module Inputs
7 6 5 4 3 2 1 0
A
B
C
D
E
F
G
H
I
Enable Lines
10365
2
3
4
6
5
7
8
9
10
11
12
13
14
15
16
17
18
1
Lines
G & H
E & F
C & D
SW3
SW2
8
Thumbwheel
Switch
(User Supplied)
Terminal Strip
(User Supplied)
1771–WF
8
4
2
1
MSD
UMD
LMD
LSD
MSD
MSD
UMD
UMD
LMD
LMD
LMD
LSD
LSD
4 2 1
8 4 2 1
8 4 2 1
8 4 2 1
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