Selecting The Pm Sensorless Vector Control - Mitsubishi Electric FR-A820-00046 Instruction Manual

Control method
5.2.4

Selecting the PM sensorless vector control

Selecting the PM sensorless vector control by performing parameter initialization on the
operation panel (
NOTE The parameters required to drive an MM-CF IPM motor are automatically changed as a batch.
(Refer to page 5-73.)
[PM] on the operation panel (FR-DU08) is on when the PM sensorless vector control is set.
Example Operation example: Initialize the parameter settings for an MM-CF IPM motor by selecting IPM
parameter initialization on the operation panel.
Screen at power-ON
The monitor display appears.
Changing the operation mode
Press
[PU] indicator is lit.
Parameter setting mode
Press
[PRM] indicator is lit.
IPM parameter initialization
Turn
Setting value display
Press
" " (initial value) appears.
Changing the setting value
Turn
"
Tab. 5-25:
Setting
0
3003
Tab. 5-26:
NOTES If parameters are initialized for a PM motor in the IPM initialization mode, the Pr. 998 "PM parame-
ter initialization" setting is automatically changed.
In the initial parameter setting, the capacity same as the inverter capacity is set in Pr. 80 "Motor
capacity". To use a motor capacity that is one rank lower than the inverter capacity, set Pr. 80
"Motor capacity" by selecting the mode on the operation panel.
To set a speed or to display monitored items in frequency, Pr. 998. (Refer to page 5-71.)
5 - 70
)
to choose the PU operation mode.
to choose the parameter setting mode.
until (IPM parameter initialization) appears.
to read the present set value.
to change the set value to "
" and " " flicker alternately. The setting is completed.
Selecting the PM sensorless vector control by performing parameter initialization
Description
Parameter settings for an induction motor
Parameter settings for an IPM motor MM-CF (rotations per minute)
Settings for the IPM parameter initialization
PM PM PM
Operation
", then press .
Parameters