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Mitsubishi Electric FR-F720P-0.75K Instruction Manual Page 95

Fr-f700p series.
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Parameter list
Parameter
Name
Acceleration/deceleration time/pattern adjustment — Acceleration/deceleration time setting
(Pr.7, Pr.8, Pr.20, Pr.21, Pr.44, Pr.45, Pr.147, Pr.791, Pr.792)
7
Acceleration time
8
Deceleration time
Acceleration/
deceleration
20
reference frequency
Acceleration/
deceleration time
21
increments
Second acceleration/
44
deceleration time
Second deceleration
45
time
Acceleration/
deceleration time
147
switching frequency
791
Acceleration time in
low-speed range
IPM
IPM
IPM
792
Deceleration time in
low-speed range
IPM
IPM
IPM
*1
Initial values differ according to the inverter capacity. (7.5K or lower/11K or higher)
*2
Performing IPM parameter initialization changes the settings. (Refer to page 43)
Selection and protection of a motor — Motor protection from overheat (electronic thermal
relay function) (Pr.9, Pr.51)
Electronic thermal O/
9
L relay
51
Second electronic
V/F
V/F
V/F
thermal O/L relay
S
S
S
MFVC
MFVC
MFVC
*1
The setting depends on the inverter capacity (55K or lower/75k or higher)
*2
Performing IPM parameter initialization changes the settings.(Refer to page 43)
88
Incre-
Initial
Range
ments
Value
0.1/
0 to 3600/
5/15s
*1
0.01s
360s
0.1/
0 to 3600/
10/30s
*1
0.01s
360s
0.01Hz
60Hz
1 to 400Hz
*2
0
1
0
1
0.1/
0 to 3600/
5s
0.01s
360s
0 to 3600/
0.1/
360s
9999
0.01s
9999
0 to 400Hz
0.01Hz
9999
9999
0 to 3600/
0.1/
360s
9999
0.01s
9999
0 to 3600/
0.1/
360s
9999
0.01s
9999
Rated
0.01/
0 to 500/
inverter
0.1A
0 to 3600A
*1
current
*2
0 to 500A/
0.01/
0 to 3600A
9999
0.1A
*1
9999
Description
Set the motor acceleration time.
Set the motor deceleration time.
Set the frequency referenced as acceleration/
deceleration time. Set the frequency change
time from stop to Pr. 20 for acceleration/
deceleration time.
Increments: 0.1s
Increments and setting
Range: 0 to 3600s
range of acceleration/
deceleration time
setting can be
Increments: 0.01s
changed.
Range: 0 to 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
Frequency when automatically switching to
the acceleration/deceleration time of Pr. 44
and Pr. 45.
No function
Acceleration time in the low-speed range
(rated motor frequency/10 or lower) is set.
The acceleration time set in Pr.7 is applied.
Deceleration time in the low-speed range
(rated motor frequency/10 or lower) is set.
The deceleration time set in Pr.8 is applied.
Set the rated motor current.
*1
Valid when the RT signal is ON.
Set the rated motor current.
*1
Second electronic thermal O/L relay invalid
: enabled
× : disabled

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