BONFIGLIOLI ACTIVE Cube ACU 201-01 Operating Instructions Manual page 222

Operation mode filling level 2, parameter 440 = 3
Operation mode
This operation mode can be used, for example, for contents level control.
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
441. This is done using the set 421.
frequency Deceleration (clockwise)
If there is no control deviation (actual value =reference value) or if the control devia-
tion is negative (actual value>reference value), the output frequency is guided to
418. This is done using the set Controller settings. Additionally
Minimum frequency
421 limits the ramp. If 418 = 0 Hz,
Deceleration (clockwise) Minimum frequency
the power stage is switched off in this case.
The drive accelerates as soon as an actual value is present again or the control de-
443. The drive stops if Actual value ≥ Refer-
viation exceeds the positive
Hysteresis
418 = 0 Hz is
ence value, the control output reached 0 Hz and
Minimum frequency
set.
Operating Instructions ACU
222 06/13