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3. Diagnosis
Extension of the CDVI−DN (examples)
Tab. 3/4:
Reaction if there is a deviation between the CP extension and the DIL switch
setting
Festo P.BE−CDVI−DN−EN en 0404NH
Fault diagnosis with the LED CP
A deviation of the actual CP extension of your CDVI−DN from
the CP extension set on the DIL switch can lead to problems
when the system is started. Please refer here to chapter 1.2.2.
The following table shows the reaction.
Deviation
Extension greater
>
than the DIL
switch setting.
Extension smaller
<
than the DIL
switch setting.
Module is missing.
Please note
Always carry out a new nominal−actual comparison if
·
there are deviations.
Reaction
System starts.
LED CP lights up red.
Superfluous, non−configured
module is ignored.
System starts.
LED CP lights up red.
If the missing module is
added later, it will be
recognized automatically.
3−7
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