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Setting of acceleration/deceleration time
and acceleration/deceleration pattern
4
PARAMETERS
4.7 Setting of acceleration/deceleration time and
acceleration/deceleration pattern
4.7.1 Setting of the acceleration and deceleration time
(Pr. 7, Pr. 8, Pr. 20, Pr. 21, Pr. 44, Pr. 45, Pr. 147)
Purpose Parameter that must be set Refer to page
Motor acceleration/deceleration time
setting
Acceleration/deceleration times
Pr.7, Pr.8, Pr.20, Pr.21,
Pr.44, Pr.45, Pr.147
101
Starting frequency
Starting frequency and start-
time hold
Pr.13, Pr.571 104
Set acceleration/deceleration pattern
suitable for application
Acceleration/deceleration
pattern and backlash measures
Pr.29, Pr.140 to Pr.143 105
Used to set motor acceleration/deceleration time.
Set a larger value for a slower speed increase/decrease or a smaller value for a faster speed increase/
decrease.
For the acceleration time at automatic restart after instantaneous power failure, refer to Pr. 611 Acceleration
time at a restart (page 152).
Paramete
r Number
Name
Initial Value
200V class (400V
class)
Setting Range Description
7 Acceleration time
00340
(00170) or less
5s
0 to 3600/ 360s
*2
Set the motor acceleration time.
00490
(00250) or more
15s
8 Deceleration time
00340
(00170) or less
10s
0 to 3600/ 360s
*2
Set the motor deceleration time.
00490
(00250) or more
30s
20
*1
Acceleration/
deceleration
reference frequency
60Hz 1 to 400Hz
Set the frequency that will be the basis of
acceleration/deceleration time.
As acceleration/deceleration time, set the
frequency change time from stop to Pr. 20.
21
*1
Acceleration/
deceleration time
increments
0
0
Increments: 0.1s
Range: 0 to 3600s
Increments and
setting range of
acceleration/
deceleration time
setting can be
changed.
1
Increments: 0.01s
Range: 0 to 360s
44
*1
Second
acceleration/
deceleration time
5s 0 to 3600/360s
*2
Set the acceleration/deceleration time
when the RT signal is ON.
45
*1
Second
deceleration time
9999
0 to 3600/360s
*2
Set the deceleration time when the RT
signal is ON.
9999 Acceleration time = deceleration time
147
*1
Acceleration/
deceleration time
switching
frequency
9999
0 to 400Hz
The frequency where the acceleration/
deceleration time switches to the time set
in Pr.44 and Pr.45.
9999 No function
*1 The parameters can be set when Pr. 160 User group read selection = "0" (Refer to page 190)
*2 Depends on the Pr. 21 Acceleration/deceleration time increments setting. The initial value for the setting range is "0 to 3600s" and the setting
increments is "0.1s".
....Specifications differ according to the date assembled. Refer to page 400 to check the SERIAL number.