Mitsubishi Electronics FR-A701 ユーザーズマニュアル

Ac

celerat

ion/

d

ecelera

tion t

ime 

set

ting

7



Acceleration time

0.1/

0.01s

5/15s 

0 to 3600/
360s

Set the motor acceleration time.
* The initial value differs according to the inverter

capacity. (7.5K or lower/11K or higher) 

8



Deceleration time

0.1/

0.01s

5/15s

0 to 3600/
360s

Set the motor deceleration time.
* The initial value differs according to the inverter

capacity. (7.5K or lower/11K or higher) 

Acceleration/deceleration 
reference frequency

0.01Hz

60Hz

1 to 400Hz

Set the frequency referenced as acceleration/
deceleration time.  Set the frequency change time 
from stop to Pr. 20 for acceleration/deceleration time.

Acceleration/deceleration 
time increments

1

0

0

Increments: 0.1s
Range: 0 to 3600s

The increments and 
setting range of 
acceleration/deceleration 
time setting can be 
changed.

1

Increments: 0.01s
Range: 0 to 360s

Second acceleration/
deceleration time

0.1/

0.01s

5s

0 to 3600/
360s

Set the acceleration/deceleration time when the RT 
signal is on.

Second deceleration time

0.1/

0.01s

9999

0 to 3600/
360s

Set the deceleration time when the RT signal is on.

9999

Acceleration time = deceleration time

Third acceleration/
deceleration time

0.1/

0.01Hz

9999

0 to 3600/
360s

Set the acceleration/deceleration time when the X9 
signal is on.

9999

Function invalid

Third deceleration time

0.1/

0.01Hz

9999

0 to 3600/
360s

Set the deceleration time when the X9 signal is on.

9999

Acceleration time = deceleration time

Mot

o

r prot

ect

ion 

fr

om overh

eat

 

(elect

ronic t

h

e

rmal 

re

la

y fu

n

ctio

n

)

9



Electronic thermal O/L relay

0.01A

Rated 

inverter  

current

 0 to 500A Set the rated motor current.

Second electronic thermal 
O/L relay

0.01A

9999

0 to 500A

Valid when the RT signal is on.
Set the rated motor current.

9999

Second electronic thermal O/L relay invalid

DC injec

tion brak

e

10

DC injection brake operation 
frequency

0.01Hz 3/0.5Hz

0 to 120Hz

Operation frequency of the DC injection brake.
* The initial value changes from 3Hz to 0.5Hz when a

control mode other than vector is changed to vector
control.

9999

Operate when the output frequency becomes less 
than or equal to Pr. 13 Starting frequency.

11

DC injection brake 
operation time

0.1s

0.5s

0

DC injection brake disabled

0.1 to 10s

Operation time of the DC injection brake

8888

Operated while the X13 signal is on.

12

DC injection brake 
operation voltage

0.1%

4/2% 

0

DC injection brake disabled

0.1 to 30%

DC injection brake voltage (torque)
* The initial value differs according to the inverter

capacity. (7.5K or lower/11K or higher)

Pre-excitation selection

1

0

0

Zero speed control

Setting can be made under 
vector control.

1

Servo lock

Brake operation selection

1

0

0

DC injection brake

1

Zero speed control (under Real sensorless vector 
control)

2

Magnetic flux decay output shutoff (under Real 
sensorless vector control)

S

tart

ing 

fr

e

quency

13

Starting frequency

0.01Hz

0.5Hz 0 to 60Hz

Starting frequency 

Holding time at a start

0.1s

9999

0.0 to 10.0s Holding time of Pr. 13 Starting frequency.

9999

Holding function at a start is invalid