BONFIGLIOLI ACTIVE CUBE 201 Operating Instructions Manual page 217

Operation Mode Liquid Level 1, Parameter Operation Mode 440 = 2
This operation mode can be used, for example, for Liquid Level control.
If the actual value is missing, the function brings the output frequency to an adjustable value.
The minimum value monitoring prevents an acceleration of the drive if the actual value is missing.
If the actual value is missing (< 0.5%) the output frequency is guided to the 441.
Fixed Frequency
This is done using the set 421.
Deceleration (Clockwise)
441 must be in the range between 418 and
The Fixed Frequency Minimum Frequency Maximum
419. If the 441 is smaller than the 418, the
Frequency Fixed Frequency Minimum Frequency
output frequency is guided to the 418. The frequency will not drop below the
Minimum Frequency
418.
Minimum Frequency
If the actual value is available again, the controller continues operation automatically. The integral
component is reset once the actual value is restored.
12/16 Operating Instructions ACU 217