5 Basic Settings
5 - 38
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
Select an acceleration/deceleration pattern with reference to the following table.
Use the following graphs to determine the curve factor.
• The S-shape pattern has a portion where acceleration/deceleration time is faster in the middle of the
curve.
• If the LAD cancel (LAC) function is allocated to a multi-function input terminal and that terminal turns
ON, the acceleration/deceleration pattern is ignored and the output frequency follows the reference
frequency instantaneously.
Pattern Selection
Parameter
No.
Set value
00 01 02 03 04
Line S shape U shape Inverted U shape EL-S shape
A097
(Acceleration)
A098
(Deceleration)
Description
The motor
accelerates/
decelerates linearly
until the set output
frequency value is
reached.
This pattern is
effective to prevent
the collapse of load
on an elevator,
conveyor, etc.
These patterns are effective for tension
control and roll-break prevention
applications for winding equipment etc.
Provides shockless
start/stop as with
the S shape, but the
intermediate
section is linear.
Pattern Curve Parameter (Curve Factor)
Output frequency
Time
Output frequency
Time
Output frequency [Hz] Output frequency [Hz] Output frequency [Hz]
Target
frequency
[100%]
Target
frequency
[100%]
Target
frequency
[100%]
96.9
82.4
17.6
3.1
02
25
50 75
10
10 02
Time
99.6
93.8
87.5
68.4
64.6
35
25
50 75
Time
65
35.4
31.6
12.5
6.25
0.39
25
50 75
Time
10
02
10
10
02
Acceleration time until the set
output frequency value [100%]
Acceleration time until the set
output frequency value [100%]
Acceleration time until the set
output frequency value [100%]
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