Festo DLP-VSE Series, Manual

Page: 103 / 112

5. Diagnosis
5-19
Festo P.BE-DLP-VSE-... en 0206a
Component status of the Local control unit
6. Mark the icon for the Local control unit
6
instead of the
CPU. By means of the window “Component status” you
can now read further information on the status of the
Local control unit.
5.4 Diagnosis with AS-Interface
On the user interface there are two LEDs (POWER and BUS)
by means of which you can read diagnostic messages from
the Local control unit.
POWER-LED
(green) ERROR-LED
(red) Meaning
on out AS-i voltage applied, no fault
out out No AS-i voltage on bus
flashes on AS-i address not set
(= 0 )
on flashes Short circuit/overload at the in-
puts
on on Failure of bus communication
(Watchdog expired)
Fig. 5/19: Diagnostic displays with the LEDs POWER and BUS
on AS-Interface