Lenze 8615E - Manual (Page 80)

4.4 Adjustment of the act. value gain
you use an incremental encoder for control and you have
entered the encoder as described 4.2. (see page
Fehler! Textmarke nicht definiert.) an adjustment of the act.
value gain is not necessary. For act. value, a gain
adjustment is normally required.
4.4.1 adjustment
To the act. value gain you activate an automatic
adjustment C029. Proceed as follows:
Activate the closed-loop control (COO5) with control
of the output frequency by the controller reference
=
Set the influence of the Pl controller to zero C074.
Idle running. If this should not be possible, please note that the
of the is added as gain error the automatic
adjustment. If necessary, set manually.
possible, enter 100% setpoint. If the is smaller than
10% an auto-adjustment is not possible.
Enable the controller and wait for the acceleration.
Activate the auto-adjustment via CO29 using SH + PRG.
If the auto-adjustment was successful, appears on the
display. If not, please check your settings. With the acceptance
of the auto-adjustment the act. value gain is set
C027.
Set CO74 the influence of the PI controller such that the
occuring Operation be
To set the adjustment time and the gain of the Pl controller see
page Fehler! Textmarke nicht definiert..
4.4.2 Manual adjustment
If, for technical reasons, the above described automatic
adjustment in idle running is not possible or too inaccurate, you
measure the motor by hand and calculate the required
act. value gain. Proceed as follows:
l
Activate the closed-loop control with control
of the output frequency by the controller reference
(C238 =
l
If possible, enter 100% setpoint. If the is smaller, the
obtainable adjustment result is normally less
l
Enable the controller and wait for the acceleration.
Set
CO74 the influence of the Pl controller such that the
occuring Operation be
l
Measure the motor
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