3. Diagnostics
3-11
Festo P.BE-CPX-FB32-EN en 1111a
NS – network status
LED Sequence Status Meaning / error handling
Is of f
ON
OFF
The CPX terminal is not
online
– Logic supply for bus
interface not applied
• Check logic supply
Flashes green
ON
OFF
CPX terminal is online and
has received an IP address,
but the CPX terminal does
nothaveaconfigured
connection.
• Check configuration; it is possible
that the CPX terminal is not
assigned to a master/scanner
or
• Check the status of the master, it
is possible that the master is not in
the RUN mode.
Lights up green
ON
OFF
The CPX terminal is online
and has a c onnection to
the fieldbus
None (normal operating status)
Flashes red
ON
OFF
One or more
“I/O connections” are in
the time-out status
Check the physical connection to the
master/scanner ( EtherNet c able).
Lights up red
ON
OFF
Communication has failed.
– Non-permitted IP
address set and already
used in the network
• Correct IP address
Flashes red/green
ON
OFF
CPX terminal is in self-test None
*)
Test algorithm which ensures that no station numbers are assigned double in the network.
The test is usually carried out automatically when the network connection is set up.
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