Set the amount of each Soft Fill step. After Pre-PID operation time, if
feedback amount has not reached the Soft Fill Set (exit) amount (AP1-23),
Soft Fill operation begins. The PI Reference (setpoint) will automatically
change to this "Soft Fill PI Reference" (AP1-24) amount and start the Soft Fill
operation. The "Soft Fill PI Reference" becomes the new PI Ref (setpoint).
Soft Fill steps are based on AP1-24 and AP1-25.
Set the time for each Soft Fill step. This is the time of each Soft Fill PI Ref
step (AP1-24). The steps will increase by AP1-24 amount when the feedback
reaches the Fill Feedback Difference (AP1-26). If the feedback remains
below the Soft Fill PI Ref., the inverter does not increase to the next step.
Set a difference amount to increase to the next Soft Fill step. This amount is
the difference between the Soft Fill PI Reference (AP1-24) amount and the
feedback amount. When the feedback increases to the AP1-26 amount
below the step amount (whichever step it is on), the inverter increases the
Soft Fill PI Ref. to the next step. If the feedback remains below the AP1-26
amount, the Soft Fill PI Ref. does not increase to the next step.
After Pre-PID and Soft Fill operation, normal PI Control begins. The PID Reference value (setpoint)
becomes the PID-11, PID Ref1 Set value.
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