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 Fixed Frequency 441.
This is done using the set Deceleration (Clockwise) 421.
The Fixed Frequency 441 must be in the range between Minimum Frequency 418 and Maximum
Frequency 419. If the Fixed Frequency 441 is smaller than the Minimum Frequency 418, the
output frequency is guided to the Minimum Frequency 418. The frequency will not drop below the
Minimum Frequency 418.
If the actual value is available again, the controller continues operation automatically. The integral
component is reset once the actual value is restored.
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