22 Device Description
WAGO-I/O-SYSTEM 750 XTR
750-537/040-000 8DO 24 VDC 0.5A Diagn XTR
Manual
Version 1.1.1
3.3
Display Elements
Figure 5: Display Elements
Table 6: Legend for Figure “Display Elements“
Channel
Designation
LED
1
Status DO 1
A
Error DO 1
2
Status DO 2
E
Error DO 2
3
Status DO 3
B
Error DO 3
4
Status DO 4
F
Error DO 4
5
Status DO 5
C
Error DO 5
6
Status DO 6
G
Error DO 6
7
Status DO 7
D
Error DO 7
8
Status DO 8
H
Error DO 8
Table 7: Display Element Diagnostics per Channel
LED Status Output Target
Condition
Explanation
Green
0
Undefined internal module error
1
Normal operation (output actual = target)
Red
0
•
Overload
•
Short circuit per 24 V
•
Missing load (wire break)
*)
1
•
Overload
•
Short circuit per GND
Off
0
Normal operation (output actual = target)
1
Undefined internal module error
*)
Open-circuit detection in OFF state:
< 0.1 mA
typ.
at 24 V
(> 1.0 mA: No open circuit)