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Changing Acceleration And Deceleration Time (pr. 7, Pr. 8) - Mitsubishi Electric FR-F720P-0.75K Instruction Manual

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5.4 Changing acceleration and deceleration time (Pr. 7, Pr. 8)

Set in Pr. 7 Acceleration time a larger value for a slower speed increase and a smaller value for a faster speed increase.
Set in Pr. 8 Deceleration time a larger value for a slower speed decrease and a smaller value for a faster speed decrease.
Parameter
Name
Number
7
Acceleration time
8
Deceleration time
* Depends on the Pr. 21 Acceleration/deceleration time increments setting. The initial value for the setting range is "0 to 3600s" and setting increments is
"0.1s".
Changing example
Change the Pr. 7 Acceleration time setting from "5s"
to "10s".
1.
Screen at power-ON
The monitor display appears.
2.Operation mode setting
Press
mode.
3.
Press
to choose the parameter
setting mode.
4.
5.
Press
to read the present set value.
"
"(initial value) appears.
6.
Turn
to change it to the set
value "
7.
Press
to set.
REMARKS
If torque is required in low-speed range (rated motor frequency (refer to page 44) /10), set Pr.791 Acceleration time in low-speed
range and Pr.792 Deceleration time in low-speed range higher than the Pr.7 and Pr.8 settings so that the slow acceleration/
deceleration is performed in the low-speed range. (Refer to the Instruction Manual (Applied) for Pr.791 and Pr.792)
Initial Value
7.5K or lower
11K or higher
7.5K or lower
11K or higher
Operation
to choose the PU operation
Pr. 7) appears.
".
· By turning
, you can read another parameter.
· Press
to show the setting again.
· Press
twice to show the next parameter.
Changing acceleration and deceleration time
Setting
Range
5s
0 to 3600/
360s
15s
*
10s
0 to 3600/
360s
30s
*
Pr.20
(60Hz)
Acceleration
time
Display
PU indicator is lit.
The parameter
number read
previously appears.
Flicker ··· Parameter setting complete!!
(Pr. 7, Pr. 8)
Description
Set the motor acceleration time.
Set the motor deceleration time.
Running
frequency
Time
Pr.7
Pr.8
Deceleration
time
The initial value
differs according
to the capacity.
5
75

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