Festo CPX-FB6 Manual page 108

3. Diagnostics and error handling
RD (remote bus disable) – remote bus switched off
LED (yellow) Process
ON
OFF
LED illuminated
ON
OFF
LED not
illuminated
TR (transmit/receive) – PCP active
LED (yellow) Process
ON
OFF
LED flickers
ON
OFF
LED not
illuminated
3-12
Status
– Continued interface
switched off.
– Data transmission on
the Interbus interrupted.
Normal operation.
Status
CPX terminal sends/re-
ceives data
CPX terminal does not
send/receive data
The LED M/TR is intended for several functions (see also un-
der CPX-specific LEDs).
Significance / error handling
•
Start data transmission.
•
Check stations on continued inter-
face.
–
Significance / error handling
Parametrisation or diagnostics take
place via the PCP channel. The LED
lights up only briefly while data trans-
mission takes place via the PCP chan-
nel.
At present there is no communication
via the PCP channel
Festo P.BE-CPX-FB6-EN en 1207c