Festo CPX-FB11 Manual page 95

3. Diagnosis and error treatment
NS network status
LED Sequence
ON
OFF
Is out
ON
OFF
Flashes green
ON
OFF
Lights up
green
ON
OFF
Flashes red
ON
OFF
Lights up red
ON
OFF
Flashes
red/green
*)
Test algorithm which makes sure that station numbers are not assigned twice on the network.
The test is usually carried out automatically when connection is made to the network.
Festo P.BE−CPX−FB11−EN en 0306a
Status
The CPX terminal is not
online
*)
Dup_MAC_ID test is
not yet concluded
Logic supply to bus
interface is not applied
CPX terminal is online, the
Dup_MAC_ID test is
concluded, but the CPX
terminal does not have a
configured connection to a
scanner.
The CPX terminal is online
and has a connection to
the field bus.
One or more I/O
connections" are in the
time−out status.
Communication has failed.
A non−permitted station
address is set
Bus off
The CPX terminal has a
network access fault and is
in the status
Communication failed"
Meaning/fault treatment
Wait for test to finish. If the LED
·
remains out: Station number may
be assigned twice; if necessary,
correct station number.
See module status LED
·
Check the configuration, perhaps
·
the CPX terminal is not assigned to
a scanner/master.
or
Check the status of the master, the
·
master is possibly not in the RUN
mode.
None (normal operating status)
Check the physical connection to the
scanner (bus cable).
Correct station address
·
Check baud rate set, check bus
·
cable, power OFF/ON
LED self−test or device can no longer
communicate; check scanner;
evaluate fault message from scanner.
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