
Operation
Operating Manual PSSu E S PD-D
21975-EN-05
25
7.2
Display elements
Legend
LED on
LED off
7.2.1
Display elements for module diagnostics
The module has an LED for displaying module errors ("Err" LED).
Err
11
I0
21
I1
Err
LED
Meaning
Designation
Colour
Status
Err
- - -
No error
Red
Module is
faulty
7.2.2
Display elements for output status
Each output is assigned an LED for displaying the output status (LEDs “11”, “21”, “14” and
“24”)
Err
11 21
12 22
13 23
14 24
11
14
21
24
11
14
21
24
LED
Key
Descrip-
tion
Colour
Status
Output
Terminal
11
- - -
Overload on output
S1
11
green
No overload on out-
put S1
21
- - -
Overload on output
S2
21
green
No overload on out-
put S2
14
- - -
Overload on output
S3
14
green
No overload on out-
put S3
24
- - -
Overload on output
S4
24
green
No overload on out-
put S4