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

·  indicates simple mode parameters.
· The abbreviations in the explanations below indicate:

...V/F control

...Advanced magnetic flux vector control

...Real sensorless vector control

...vector control. 

(Parameters without any indication are valid for all control)

  

M

a

nual t

o

rque b

o

ost

0



Torque boost

0.1%

3/2% 

0 to 30%

Set the output voltage at 0Hz as %.
* The initial value differs according to the inverter

capacity. (7.5K or lower

 / 11K or higher)

Second torque boost

0.1%

9999

0 to 30%

Set the torque boost when the RT signal is on.

9999

Without second torque boost

Third torque boost

0.1%

9999

0 to 30%

Set the torque boost when the X9 signal is on.

9999

Without third torque boost

Maxim

u

m/

minim

u

m 

fr

equency

1



Maximum frequency

0.01Hz

120Hz 0 to 120Hz Set the upper limit of the output frequency.

2



Minimum frequency

0.01Hz

0Hz

0 to 120Hz Set the lower limit of the output frequency.

High speed maximum 
frequency

0.01Hz

120Hz 120 to 400Hz

Set when performing the operation at 120Hz or 
more. 

Bas

e f

requenc

y,

 volt

age

3



Base frequency

0.01Hz

60Hz

0 to 400Hz

Set the frequency when the motor rated torque is 
generated. (50Hz/60Hz)

Base frequency voltage

0.1V

9999

0 to 1000V

Set the base voltage.

8888

95% of power supply voltage

9999

Same as power supply voltage

Second V/F (base 
frequency)

0.01Hz

9999

0 to 400Hz

Set the base frequency when the RT signal is on.

9999

Second V/F is invalid

Third V/F (base frequency)

0.01Hz

9999

0 to 400Hz

Set the base frequency when the X9 signal is ON.

9999

Third V/F is invalid

Mult

i-

speed set

ting operat

ion

4



Multi-speed setting (high 
speed)

0.01Hz

60Hz

0 to 400Hz Set frequency when the RH signal is on.

5



Multi-speed setting (middle 
speed)

0.01Hz

30Hz

0 to 400Hz

Set frequency when the RM signal is on.

6



Multi-speed setting (low 
speed)

0.01Hz

10Hz

0 to 400Hz

Set frequency when the RL signal is on.

Multi-speed setting (4 
speed to 7 speed)

0.01Hz

9999

0 to 400Hz,
9999

Frequency from 4 speed to 15 speed can be set 
according to the combination of the RH, RM, RL and 
REX signals.
9999: not selected

Multi-speed setting (8 
speed to 15 speed)

0.01Hz

9999

0 to 400Hz,
9999