26 Device Description
WAGO-I/O-SYSTEM 750
750-489 4AI RTD/TC/Strain Gauge Ex i
Manual
Version 1.1.0, valid from FW Version 02
3.3
Display Elements
Figure 5: Display Elements
Table 9: Legend for Figure “Display Elements”
Channel Designation LED
Status Description
1
Function AI 1
A
Green Channel 1: ready for operation
Error AI 1
B
Red
Channel 1: underflow, overflow,
measurement underrange/over-
range, internal error
2
Function AI 2
C
Green Channel 2: ready for operation
Error AI 2
D
Red
Channel 2: underflow, overflow,
measurement underrange/over-
range, internal error
3
Function AI 3
E
Green Channel 3: ready for operation
Error AI 3
F
Red
Channel 3: underflow, overflow,
measurement underrange/over-
range, internal error
4
Function AI 4
G
Green Channel 4: ready for operation
Error AI 4
H
Red
Channel 4: underflow, overflow,
measurement underrange/over-
range, internal error
You can find the interpretation of the states corresponding to the LED signals in
Section “Diagnostics” > ... > “Diagnostics via Indicators.”
3.4
Operating Elements
The I/O module 750-489 has no operating elements.