20 Device Description
WAGO-I/O-SYSTEM 750
750-439 8DI NAMUR Ex i
Manual
Version 1.3.0, valid from HW Version 03, SW Version 03
3.3
Display Elements
Figure 5: Display Elements
Table 7: Legend for Figure “Display Elements”
Channel
Designation
LED Function
1
Status DI 1/Error DI 1
A
Indicator signal state Channel 1 /
error Digital Input 1
2
Status DI 2/Error DI 2
B
Indicator signal state Channel 2 /
error Digital Input 2
3
Status DI 3/Error DI 3
C
Indicator signal state Channel 3 /
error Digital Input 3
4
Status DI 4/Error DI 4
D
Indicator signal state Channel 4 /
error Digital Input 4
5
Status DI 5/Error DI 5
E
Indicator signal state Channel 5 /
error Digital Input 5
6
Status DI 6/Error DI 6
F
Indicator signal state Channel 6 /
error Digital Input 6
7
Status DI 7/Error DI 7
G
Indicator signal state Channel 7 /
error Digital Input 7
8
Status DI 8/Error DI 8
H
Indicator signal state Channel 8 /
error Digital Input 8
Mechanical Contacts
Error signaling can be disabled for the monitoring mechanical contacts (see
Section “Process Image”).
Diagnostics
You can find the interpretation of the internal LED states in Section “Diagnostics
via LED Indicators.”