Rockwell Automation 1771-IS 5V DC INPUT MOD - Manual (Page 24)

Programming and Operation
Chapter 3
3-5
Figure 3.3
4-digit Thumbwheel Switch Data Storage, Momentary Contact Mode ( SWITCH #4 ON)
9 7
3 5
9 7 5 3
MSD UMD
LMD LSD
MSD UMD
LMD LSD
MSD UMD
LMD LSD
Extra Byte
2 8
3 4
4 2
5 1
8 6
4 7
2 8
1 9
Switch
Terminals
Field Wiring Arm Terminals
a) Block Diagram
Switch
Terminals
Field Wiring Arm
Terminals
A
B
C
D
E
F
G
H
I
Switch 1
User Thumbwheel
Switch 2
Switch 3
Switch 4
1/2 Switch 5
10370
Data
Table
Word
XX0
1
2
3
4
5
Diagnostics - - -
MSD UMD LMD LSD 1
MSD UMD LMD LSD 3
MSD UMD LMD LSD 4
5 3 9 7 2
- - Extra Byte 5
17
Switch Status Data
10 07 00
Switch
Number
b) Data Table Map