Omron VARISPEED L7 Manual page 170

Setup the Acceleration and Deceleration Gain (S3-21, S3-22)
These parameters are used for the optimal speed calculation to compensate the S-curves (S-curves are not con-
sidered in the optimal speed calculation).
Increase the gains S3-21 and S3-22 if the leveling time is too short or the calculated optimal speed is too
•
high.
Decreases the gains S3-21 and S3-22 if the leveling time is too short of the calculated optimal speed is too
•
low.
1. S-Curves are not considered in the optimal speed calculation and have to be compensated by the
gains S3-21 and S3-22.
2. A too low gain setting can result in a too high optimal speed and too short leveling time. Very low
settings can lead to an overrun. Do not set the values lower than 100% (100% means, that the S-
IMPORTANT
curve is not compensated.
3. If parameter d1-18 is set to 0 or 3 and the leveling speed input is released during short floor oper-
ation, the inverter accelerates or decelerates to the selected reference speed.
4. If the Dwell function (b6-
floor operation but it is not considered in the optimal speed calculation. The influence of the Dwell
function must be compensated using the gains S3-21 and S3-22.
5. The advanced short floor function does not work during rescue operation and inspection run.
6. If the speed reference is input using an analog input the advanced short floor function should not
be used.
7. If the advanced short floor function is used, the following parameter settings should be in given
range:
9.6 Hz O E1-04 O 100 Hz
4.8 Hz O d1-08 O 100Hz
0.1 sec. O C1-
parameters) is activated, the dwell function is performed during short
O 50 sec.
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