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Setting Of Acceleration/deceleration Time And Acceleration/ Deceleration Pattern; Setting Of The Acceleration And Deceleration Time (pr. 7, Pr. 8, Pr. 20, Pr. 21, Pr. 44, Pr. 45, Pr. 147) - Mitsubishi Electric FR-E700 Instruction Manual

Fr-e740-016 to 300 - ec; fr-e720s-008 to 110 - ec.
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Setting of acceleration/deceleration time and acceleration/ deceleration pattern

4.8
Setting of acceleration/deceleration time and acceleration/
deceleration pattern
Purpose
Motor acceleration/deceleration
time setting
Starting frequency
Set acceleration/deceleration
pattern suitable for application
Automatically set optimum
acceleration/deceleration time.
4.8.1
Setting of the acceleration and deceleration time
(Pr. 7, Pr. 8, Pr. 20, Pr. 21, Pr. 44, Pr. 45, Pr. 147)
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 153).
Parameter
Name
Number
7
Acceleration time
8
Deceleration time
Acceleration/
20 ∗1
deceleration
reference frequency
Acceleration/
21 ∗1
deceleration time
increments
Second acceleration/
44 ∗1
deceleration time
Second deceleration
45 ∗1
time
Acceleration/
deceleration time
147∗1
switching frequency
∗1
The above parameters can be set when Pr. 160 User group read selection = "0". (Refer to page 179)
∗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".
Parameter that should be Set
Acceleration/deceleration
times
Starting frequency and
start-time hold
Acceleration/deceleration
pattern
Automatic acceleration/
deceleration
Initial Value
FR-E740-095 or less
5s
FR-E720S-110 or less
FR-E740-120 and 170
10s
FR-E740-230 and 300
15s
FR-E740-095 or less
5s
FR-E720S-110 or less
FR-E740-120 and 170
10s
FR-E740-230 and 300
15s
50Hz
0
FR-E740-095 or less
5s
FR-E720S-110 or less
FR-E740-120 and 170
10s
FR-E740-230 and 300
15s
9999
9999
Pr. 7, Pr. 8, Pr. 20, Pr. 21, Pr. 44,
Pr. 45, Pr. 147
Pr. 13, Pr. 571
Pr. 29
Pr. 61 to Pr. 63, Pr. 292
Setting
Description
Range
0 to 3600/
Motor acceleration time.
360s ∗2
0 to 3600/
Motor deceleration time.
360s ∗2
Frequency that will be the basis of
acceleration/deceleration time.
1 to 400Hz
As acceleration/deceleration time, set the
frequency change time from stop to Pr. 20.
Increments: 0.1s
0
Range: 0 to 3600s
Increments: 0.01s
1
Range: 0 to 360s
0 to 3600/
Acceleration/deceleration time when the RT
360s ∗2
signal is ON.
0 to 3600/
Deceleration time when the RT signal is ON.
360s ∗2
9999
Acceleration time = deceleration time
Frequency when automatically switching to
0 to 400Hz
the acceleration/deceleration time of Pr. 44
and Pr. 45.
9999
No function
Refer to Page
101
104
105
106
Increments and setting
range of acceleration/
deceleration time
setting can be changed.
4
101

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