Mitsubishi Electric FR-A820-00046 (0.4K), Instruction Manual

Page: 274 / 1218

Control method Parameters
5 - 72
5.2.3 Selecting the Advanced magnetic flux vector control
Advanced magnetic flux vector control
NOTE To use the Advanced magnetic flux vector control, set the motor capacity, the number of motor
poles, and the motor type using Pr. 80 and Pr. 81.
Fig. 5-6: Advanced magnetic flux vector control
Magnetic flux Magnetic flux Magnetic flux
Perform secure wiring. (Refer to page 2-21.)
Make the motor setting. (Pr. 71)
Set the operation command. (Refer to page 5-271.)
As required
앫
Perform offline auto tuning. (Pr. 96) (Refer to page 5-72.)
앫
Select the online auto tuning. (Pr. 95) (Refer to page 5-482.)
Select the start command and speed command.
Setting the motor capacity and the number of motor poles.
(Pr. 80, Pr. 81) (Refer to page 5-61.)
Set the motor capacity (kW) in Pr. 80 "Motor capacity", and set the
number of motor poles in Pr. 81 "Number of motor poles".
(V/F control is performed when the setting is "9999" (initial value).)
Motor
Pr. 71 setting
Remarks
Mitsubishi standard motor
Mitsubishi high-efficiency motor
SF-JR 0 (initial value) (3, 4)
SF-JR 4P 1.5 kW or
lower
20
SF-HR 40
Others 0 (3)
Offline auto tuning is
required.
Mitsubishi
constant-torque motor
SF-JRCA 4P 1
SF-HRCA 50
Other (SF-JRC, etc.) 1 (13)
Offline auto tuning is
required.
Mitsubishi high performance
energy-saving motor
SF-PR 70
Other manufacturer's
standard motor
⎯
0 (3)
Offline auto tuning is
required.
Other manufacturer's constant-
torque motor
⎯
1 (13)
Offline auto tuning is
required.
For the other setting values of Pr. 71, refer to page 5-451.
For offline auto tuning, refer to page 5-457.
Set the rated motor voltage and frequency. (Pr. 83, Pr. 84)
(Refer to page 5-72.)
Set the rated motor voltage (V) in Pr. 83 "Rated motor voltage", and
set the rated motor frequency (Hz) in Pr. 84 "Rated motor frequency".
Set the motor overheat protection. (Pr. 9) (Refer to page 5-303)
Set the rated motor current (A) in Pr. 9 "Electronic thermal O/L relay".
Test run