Operation
Operating Manual PSSu E F 2DOR 8(-T)(-R)
21334-EN-13
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Module error
Explanation
Remedy
Relay error
A relay position is faulty. Possible
cause: Defective relay contact
Change faulty relay module.
Error in the local enable principle
FS output has reacted incorrectly
or unexpectedly
Check the configuration of the FS
output, or check the fieldbus sig-
nals in the FS and ST section.
(
1
) There are two levels of overtemperature.
}
Too warm:
If a module's temperature exceeds a threshold value, the module sends a warning to the
head module. If the temperature drops back below the threshold value, the module sends
an all-clear.
}
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
FS outputs are driven via a standard bus system using the local enable principle. An FS en-
able is assigned to each of these FS outputs. The status of that enable is displayed via the
enable LEDs (“FS0” and “FS1”).