Mitsubishi Electric FR-A760 Series Instruction Manual page 146

(1) Selection method of advanced magnetic flux vector control
standard motor
constant-torque motor
Other manufacturer's standard motor
Other manufacturer's constant torque motor
*1 For other settings of Pr. 71 , refer to page 174.
*2 Refer to page 176 for offline auto tuning.
Set the motor capacity and the number of motor poles.
(Pr. 80, Pr. 81) (Refer to page 78)
Set the operation command. (Refer to page 298)
As required
· Perform offline auto tuning. (Pr. 96) (refer to page 176)
· Select online auto tuning.
REMARKS
· When higher accuracy operation is necessary, set online auto tuning after performing offline auto tuning and select real
sensorless vector control.
CAUTION
· Uneven rotation slightly increases as compared to the V/F control. (It is not suitable for machines such as grinding machine and
wrapping machine which requires less uneven rotation at low speed.)
· When terminal assignment is changed using Pr. 178 to Pr. 189 (input terminal function selection), the other functions may be
affected. Make setting after confirming the function of each terminal.
Perform secure wiring.
(Refer to page 14)
Set the motor. (Pr. 71)
Motor
Set motor capacity (kW) in Pr. 80 Motor capacity and the number
of motor poles (number of poles) in Pr. 81 Number of motor poles.
(V/F control is performed when the setting is "9999" (initial value).)
Select the start command and speed command.
(1) Start command
1. Operation panel :
Setting by pressing
2. External command : Setting by forward rotation or reverse
rotation command (terminal STF or STR)
(2) Speed command
1. Operation panel :
Setting by
2. External analog command (terminal 2 or 4) :
Give a speed command using the analog signal input to
terminal 2 (or terminal 4).
3. Multi-speed command :
The external signals (RH, RM, RL) may also be used to give
speed command.
Test run
(Pr. 95) (refer to page 186)
Adjust the output torque (current) of the motor
Pr. 71 Setting
*1
0 (initial value)
1
3 Offline auto tuning is necessary.
13 Offline auto tuning is necessary.
/
of the operation panel
REMARKS
*2
*2
of the operation panel
4
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