Table 12: Legend For The "Display Elements" Figure; Table 13: Legend For The "Display Elements" Figure - WAGO 750-637 Series Manual

24 Device Description
Table 12: Legend for the "Display Elements" Figure, Version 750-637/000-001
Designation
A
B
C
Latch
Gate
Ref
N1
N2
Table 13: Legend for the "Display Elements" Figure, Versions 750-637/000-002 and 750-637/000-
004
Designation
A
B
C
Latch
Gate
Ref
N1
N2
Manual
Version 1.6.1
LED State
Off
A, left
Green
Off
C, left
Green
Off
B, left
Green
Off
D, left
Green
Off
A, right
Green
Off
C, right
Green
Off
B, right
Green
Off
D, right
Green
LED State
Off
A, left
Green
Off
C, left
Green
Off
B, left
Green
Off
D, left
Green
Off
A, right
Green
Off
C, right
Green
Off
B, right
Green
Off
D, right
Green
Public
WAGO I/O System 750
750-637 Incremental Encoder Interfaces
Function
−30 V < (U(A) – U(/A)) < −15 V
30 V < (U(A) – U(/A)) < 15 V or both
inputs open
−30 V < (U(C) – U(/C)) < −15 V
30 V < (U(C) – U(/C)) < 15 V or both
inputs open
−30 V < (U(B) – U(/B)) < −15 V
30 V < (U(B) – U(/B)) < 15 V or both
inputs open
Input = 0 V or open
Input = 24 V
Input = 0 V or open
Input = 24 V
Input = 0 V or open
Input = 24 V
Output = 0 V
Output = 24 V
Output = 0 V
Output = 24 V
Function
0 V < (U(A) < 5 V or input open
30 V > (U(B) > 15 V
0 V < (U(C) < 5 V or input open
30 V > (U(A) > 15 V
0 V < (U(B) < 5 V or input open
30 V > (U(C) > 15 V
Input = 0 V or open
Input = 24 V
Input = 0 V or open
Input = 24 V
Input = 0 V or open
Input = 24 V
Output = 0 V
Output = 24 V
Output = 0 V
Output = 24 V