Operation
Operating Manual PSSu E F DI OZ 2(-T)(-R)
21328-EN-10
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}
Too hot:
If a module's temperature exceeds a further threshold value, the module sends an error
message to the head module and triggers an I/O-Group stop.
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
Name
Colour
Status
Err
- - -
No error
Red
Module error
7.2.2
Display elements for an output's FS enable
With the local enable principle (system environment A) or the enable principle (system en-
vironment B), FS outputs are activated via an ST section. An FS enable is assigned to each
of these FS outputs. The status of that enable is displayed via the enable LED (“FS0”).
11
I0
21
I1
Err
FS0
FS0
Err
LED
Key
Description
Colour
State
FS0
- - -
No FS enable
for the output
Yellow
FS enable for
the output
