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Acceleration/deceleration Time (pr. 7, Pr. 8, Pr. 20, Pr. 21, Pr. 44, Pr. 45, Pr. 110, Pr. 111) - Mitsubishi Electric FR-A520-0.4K -55K Instruction Manual

Transistorized inverter, high function & low acoustic noise.
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Acceleration/deceleration time (Pr. 7, Pr. 8, Pr. 20, Pr. 21, Pr. 44, Pr. 45, Pr. 110, Pr. 111)

Pr. 7 "acceleration time"
Pr. 8 "deceleration time"
Pr. 20 "acceleration/deceleration reference
frequency"
Pr. 21 "acceleration/deceleration time increments"
Pr. 44 "second acceleration/deceleration time"
Pr. 45 "second deceleration time"
Pr. 110 "third acceleration/deceleration time"
Pr. 111 "third 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.
Factory
Parameter Number
Setting
7.5K or less
5 s
7
11K or more
15 s
7.5K or less
5 s
8
11K or more
15 s
60Hz 〈50Hz〉
20
21
0
7.5K or less
44
5 s
11K or more
7.5K or less
45
9999
11K or more
7.5K or less
110
9999
11K or more
7.5K or less
111
9999
11K or more
<Setting>
·
Use Pr. 21 to set the acceleration/deceleration time and minimum setting increments:
Set value "0" (factory setting)........ 0 to 3600 seconds (minimum setting increments: 0.1 second)
Set value "1".................................. 0 to 360 seconds (minimum setting increments: 0.01 second)
·
Use Pr. 7, Pr. 44 and Pr. 110 to set the acceleration time required to reach the frequency set in Pr. 20 from
0Hz.
·
Use Pr. 8, Pr. 45 and Pr. 111 to set the deceleration time required to reach 0Hz from the frequency set in
Pr. 20.
·
Pr. 44 and Pr. 45 are valid when the RT signal is on, and Pr. 110 and Pr. 111 are valid when the X9 signal
is on. When both RT and X9 are on, Pr. 110 and Pr. 111 are valid.
·
Use any of Pr. 180 to Pr. 186 to assign the terminal used to input the X9 signal.
·
Set "9999" in Pr. 45 and Pr. 111 to make the deceleration time equal to the acceleration time (Pr. 44, Pr. 110).
·
When "9999" is set in Pr. 110, the function is made invalid.
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Setting Range
0 to 3600 s/0 to 360 s
0 to 3600 s/0 to 360 s
1 to 400Hz
0, 1
0: 0 to 3600 s, 1: 0 to 360 s
0 to 3600 s/0 to 360 s
9999: Acceleration time =
0 to 3600 s/0 to 360 s, 9999
0 to 3600 s/0 to 360 s, 9999
9999: Function invalid
9999: Acceleration time =
0 to 3600 s/0 to 360 s, 9999
Pr.20
Running frequency
Time
Acceleration
Deceleration
Pr.7
Pr.8
time
time
Pr.44
Pr.45
Pr.110
Pr.111
67
PARAMETERS
Related parameters
Pr. 3 "base frequency"
Pr. 29 "acceleration/deceleration
pattern"
Pr. 180 to Pr. 186 (input terminal
function selection)
Remarks
deceleration time
deceleration time

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