Acceleration and Deceleration Characteristics
6-11
Switching Acceleration and Deceleration Time Using Multi-Function Input Terminal
Commands
Using the Inverter, you can set four acceleration times and four deceleration times. When the multi-function
input terminals (H1-) are set to 7 (acceleration/deceleration time selection 1) and 1A (acceleration/decel-
eration time selection 2), you can switch the acceleration/deceleration time even during operation by combin-
ing the on/off status of the terminals.
The following table shows the acceleration/deceleration time switching combinations.
Switching Acceleration and Deceleration Time Automatically
Use this setting when you want to switch acceleration/deceleration time automatically using the set frequency.
When the output frequency reaches the set value in C1-11, the Inverter switches the acceleration/deceleration
time automatically as shown in the following diagram.
Set C1-11 to a value other than 0.0 Hz. If C1-11 is set to 0.0 Hz, the function will be disabled.
C2-01
S-curve
characteristic time
at acceleration start
All sections of the S-curve characteris-
tic time are set in seconds units.
When the S-curve characteristic time
is set, the accel/decel times will
increase by only half of the S-curve
characteristic times at start and end.
0.00 to
2.50
0.00 s No A A 250H
SCrv Acc @ Start
C2-02
S-curve
characteristic time
at acceleration end
0.00 to
2.50
0.00 s No A A 251H
SCrv Acc @ End
C2-03
S-curve
characteristic time
at deceleration start
0.00 to
2.50
0.00 s No A A 252H
SCrv Dec @ Start
C2-04
S-curve
characteristic time
at deceleration end
0.00 to
2.50
0.00 s No A A 253H
SCrv Dec @ End
Acceleration/Decelera-
tion Time Selection 1 Ter-
minal
Acceleration/Decelera-
tion Time Selection 2 Ter-
minal
Acceleration Time Deceleration Time
off off C1-01 C1-02
on off C1-03 C1-04
off on C1-05 C1-06
on on C1-07 C1-08
Constant
Number
Name
Description
Setting
Range
Fac-
tory
Setting
Change
during
Opera-
tion
Control
Methods
MEMOBUS
Register
Open-
loop
Vector
Flux
Vector
Display
Run Command
Output
frequency
Time
On
Off
C2-02 C2-03
C2-04
C2-01
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