Festo CPX-FB23, Electronic Manual

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3. Diagnosis and error treatment
3−5
Festo P.BE−CPX−FB23−EN en 0308NH
3.2 Fault messages of the field bus node CPX−FB23
In addition to the CPX−specific fault messages (see CPX sys
tem manual), the field bus node type CPX−FB23 can register
the following special faults:
Fault
number Fault
class Operating status Fault elimination
70 2 Set number of stations too
small Check the equipment fitted on the CPX
terminal and the number of stations
required and, if necessary, increase the
number of stations per slave by means
of the DIL switch (see section 1.2.2).
71 2 Bus connection lost during
operation
(timeout or no transmission) Check the field bus connection.
Tab.3/2: Fault numbers of field bus node CPX−FB23