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

3. Diagnosis PROFIBUS−DP

3.1.3 LEDs for status display of the valve solenoid coils

LED Colour
out
yellow lights up
Tab. 3/4: LEDs for status display of the valve solenoid coils
3−6
There is a yellow LED for every valve solenoid coil (see
Fig. 3/1). The 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.
Meaning
Logical 0 (no signal)
Logical 1 (signal present)
Logical 1 but:
load 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