LEYBOLD MAG W 2010 CHT - Page 39

Plug-in control
39
GA 05.139/1.02 - 06/99
Mains switched on
Initialization
Switch On Guard
Acceleration
Normal Operation
Mains Down
Overload
Deceleration
Failure
After a failure, quit a second time
START command
Mains ok
Frequency > P 25 x P24
Mains failure
Mains failure
Frequency > P25 x P24
Frequency < P25 x P24
Mains failure
STOP command
If a failure occurs
the pump is decelerated
Frequency < 1 Hz
Failure occurs
Failure acknowledgement
only possible if f<5 Hz
Ready
Start Delay
STOP command
Parameter:
P24 = Frequency setpoint
P25 = Factor normal operation
Fig 35 Diagram: Operation status