Festo CTEU-EC, Description

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3. Diagnostics
3-6
Festo P.BE-CTEU-EC-OP+MAINT-EN en 1208NH
3.2.3 Status display X1/X2 LEDs
X1 or X2
1)
- Internal communication between bus node and device 1 or 2
1)
LED Process Status Meaning/error elimination
LED illuminated
green
ON
OFF
Normal operating status –
LED flashes
green
ON
OFF
– Connected device reports
diagnostics status
– Connection between bus
node and device OK
Device diagnostics can be read
out via fieldbus communication
(if activated on DIL switches on
the bus node)
LED illuminated
red
ON
OFF
– Device is connected correctly
to the bus node, but internal
communication is faulty
– A connected device has been
removed after commission-
ing.
•
Check I-port cable/mounting
•
Restart the bus node (by
switching the power off -> on)
1) Separate accessory (electrical connection box, type CAPC-…) with two interfaces for connecting
another device is required.
Tab. 3/3: Status displays of the device-specific “X1” LEDs if a device 1 is connected
and “X2” if a device 2 is connected