WAGO 750-634, Manual

Page: 9 / 14

750-634 [Incremental Encoder Interface] • 9
Display Elements
WAGO-I/O-SYSTEM 750
I/O Modules
2.1.1.3 Display Elements
LED Denotation State Function
on is equivalent to U > 15 V
A
green
Quadrature
Input
off is equivalent to U < 5 V
on is equivalent to U > 15 V
B
green Quadrature
Input
off is equivalent to U < 5 V
on is equivalent to U > 15 V
13 14
C
D
B
A
C
B
A
Fig. 2.1.1-2: Display
Elements
g063402x
C
green
Zero
reference
Input
off is equivalent to U < 5 V
2.1.1.4 Schematic Diagram
A B
C
0V
24V
1
2
3
4
5
6
7
8
750-634
A
B
C
A,B,C
0V
24V
10nF
270pF
shield (screen)
Logic
Fig. 2.1.1-3:Incremental Encoder Interface 750-634
g063401e