160 Program features
Pipe fill
The Pipe fill function is used for soft-starting a pump system. The pipe system is filled
smoothly with water, and when the pressure in the pipe system is near the final set
point, the drive changes to closed loop control.
Reference ramping
If there is no change detected in the actual pressure, the Pipe fill function increases
the pump motor speed. When a change in the actual pressure is detected, the speed
stepping is stopped and the motor speed remains unchanged until the pressure stops
changing.
Time
Final setpoint
Change over
Actual pressure
Time
Pump motor speed
Changes in actual pressure
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