Leds For Status Display Of The Valve Solenoid Coils - Festo CPV..-DI01 series Electronic Manual

7. Diagnosis ABB CS31

7.1.3 LEDs for status display of the valve solenoid coils

LED Colour
out
yellow lights up
Tab. 7/4: LEDs for status display of the valve solenoid coil
7−6
There is a yellow LED for every valve solenoid coil (see
Fig. 7/1). This LED indicates the switching status of the valve
solenoid coil.
Switch position
Valve solenoid coil
Basic position
Switch position
or
Basic position
Please note
If there is no valve solenoid coil, the assigned LED will not
show control of the output.
Fault treatment
Logical 0 (no signal)
Logical 1 (signal present)
Logical 1 but:
operating voltage of the valves
lies below the permitted
tolerance range (< 20.4 V DC)
or
compressed air supply not OK
or
pilot exhaust blocked
or
servicing required
Festo P.BE−CP−DI01−EN en 0503d