4. Commissioning
4−14
Festo P.BE−VTSA−44−EN en 0509NH
Valve terminal with MP connection
The LEDs indicate the switching status of the valve solenoid
coils.
LED
Switching position
of the valve
Meaning
Out Basic position Logical 0 (no signal)
Yellow
alight
Switch position
or
Basic position
Logical 1 (signal present)
Logical 1 but:
The operating voltage of the valves lies outside the per
mitted tolerance range (21.6...26.4 V DC or 99...121 V AC)
Compressed air supply not OK
or
Pilot exhaust blocked
or
Servicing required
Tab.4/6: Meaning of the LED display (VTSA valve terminal with MP connection)
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