Acceleration And Deceleration; Acceleration And Deceleration Time - Mitsubishi Electric FR-A700 Instruction Manual

Parameter
6.11

Acceleration and deceleration

Purpose
Motor acceleration/deceleration
time setting
Starting frequency
Set acceleration/deceleration
pattern suitable for application
Automatically set appropriate accel-
eration/deceleration time
6.11.1

Acceleration and deceleration time

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.
Pr.
Name
No.
7
Acceleration time
8
Deceleration time
Acceleration/
20
deceleration
reference frequency
Acceleration/
21
deceleration time
increments
Second acceleration/
44
deceleration time
Second deceleration
45
time
Third acceleration/
110
deceleration time
Third deceleration
111
time
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".
FR-A700 EC
Setting
Initial Value
Range
00250
5s
or less
0–3600s/
0–360s
00310
15s
or more
00250
5s
or less
0–3600s/
0–360s
00310
15s
or more
50Hz 1–400Hz
0
0
1
0–3600s/
5s
0–360s
0–3600s/
0–360s
9999
9999
0–3600s/
0–360s
9999
9999
0–3600s/
0–360s
9999
9999
Parameters that must be set
Acceleration/deceleration times
Starting frequency and start-time hold
Acceleration/deceleration pattern and back
lash measures
Automatic acceleration/deceleration
Description
Set the motor acceleration time.
Set the motor deceleration time.
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.
Increments:
Increments and
0.1s
setting range of
Range: 0–3600s
acceleration/
deceleration time
Increments:
setting can be
0,01 s
changed.
Range: 0–360s
Set the acceleration/deceleration
time when the RT signal is on.
Set the deceleration time when the
RT signal is on.
Acceleration time = deceleration time
Set the acceleration/deceleration
time when the X9 signal is on.
Without the third acceleration/dece-
leration function.
Set the acceleration/deceleration
time when the RT signal is on.
Acceleration time = deceleration time
Acceleration and deceleration
Refer to
Section
Pr. 7, Pr. 8, 6.11.1
Pr. 20, Pr. 21,
Pr. 44, Pr. 45,
Pr. 110, Pr. 111
Pr. 13, Pr. 571 6.11.2
Pr. 29, 6.11.3
Pr. 140–Pr. 143
Pr. 380–Pr. 383
Pr. 516–Pr. 519
Pr. 61–Pr. 63 6.11.4
Pr. 292
Parameters referred to
3 Base frequency
10 DC injection brake
(operation
frequency)
29 Acceleration/
deceleration pattern
selection
125 Frequency setting
gain frequency
126 Frequency setting
gain frequency
178–189 Input terminal func-
tion selection
Refer to
Section
6.9.1
6.13.1
6.11.3
6.20.5
6.20.5
6.14.1
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