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SJ300 Inverter
Configuring Drive
Parameters
3–27
The acceleration and deceleration curves can deviate from a straight line to a varying degree.
Parameters A131 and A132 control the amount of deviation for the acceleration and decelera-
tion curves respectively. The following graphs show intermediate output frequency points as a
percentage of the target frequency, for 25%, 50%, and 75% acceleration time intervals.
time
Output frequency
25 50 75
% of target
time
Output frequency
25 50 75
% of target
time
Output frequency
25 50 75
% of target
3.1
17.6
82.4
96.9
100
100 100
99.6
93.8
87.5
68.4
64.6
35.0
65.0
35.4
31.6
12.5
6.25
0.39
“A” Function
Run
Mode
Edit
Lo Hi
Defaults
Units
SRW Display
Func.
Code
Name Description
–FE
(CE)
–FU
(UL)
–FR
(Jpn)
A131 Acceleration curve
constants setting
Sets the curve deviation
from straight-line accelera-
tion in ten levels:
01 smallest deviation
10 largest deviation
✘ ✔ 02 02 02 —
>A131 ACCEL
GAIN 02
A132 Deceleration curve
constants setting
Sets the curve deviation
from straight-line decelera-
tion in ten levels:
01 smallest deviation
10 largest deviation
✘ ✔ 02 02 02 —
>A132 DECEL
GAIN 02