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Operation
7.2
Display elements
Legend
7.2.1
Display elements for module diagnostics
The module has an LED for displaying module errors ("Err" LED).
Err
11
21
I0
I1
7.2.2
Display elements for input status
Each input is assigned an LED for displaying the input status (LEDs "11", "21", "14" and
"24").
Err
11 21
12 22
13 23
14 24
11
11
21
14
14
24
Operating Manual PSSu E F 4DI(-T)(-R),
21310-EN-08
LED on
LED off
LED
Err
Name
Err
LED
Designa-
tion
11
21
21
24
14
24
Colour
Status
- - -
Red
Meaning
Colour
Status
Signal
- - -
0 signal
Green
1 signal
- - -
0 signal
Green
1 signal
- - -
0 signal
Green
1 signal
- - -
0 signal
Green
1 signal
Meaning
No error
Module error
Input
Terminal
I0
11
(Input 1)
I1
14
(Input 2)
I2
21
(Input 3)
I3
24
(Input 4)
28
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