3−38
Accel/Decel
Standard acceleration and deceleration is
linear. The inverter CPU can also
calculate an S-curve acceleration or
deceleration curve as shown. This profile
is useful for favoring the load
characteristics in particular applications.
Curve settings for acceleration and
deceleration are independently selected.
To enable the S-curve, use function A097
(acceleration) and A098 (deceleration).
“A” Function
Run
Mode
Edit
Defaults
Func.
Code
Name Description Lnitial data Units
A097
Acceleration curve selection Set the characteristic curve of
Acc1 and Acc2, five options:
00…linear
01…S-curve
02…U-curve
03…Inverse U-curve
04…EL S-curve
Set the characteristic curve of
Dec1 and Dec2, options are
same as above (a097)
U
00
−
A098
Deceleration curve selection
U
00
−
a131
Acceleration curve constant Range is 01 to 10.
Range is 01 to 10.
U
02
−
a132
Deceleration curve constant
U
02
−
a150
Curvature of EL-S-curve at
the start of acceleration
Range is 0 to 50%
U
10. %
a151
Curvature of EL-S-curve at
the end of acceleration
Range is 0 to 50%
U
10. %
a152
Curvature of EL-S-curve at
the start of deceleration
Range is 0 to 50%
U
10. %
a153
Curvature of EL-S-curve at
the end of deceleration
Range is 0 to 50%
U
10. %
See next page for the details.
A097 = 00
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