Selecting The Pm Sensorless Vector Control - Mitsubishi Electric FR-A800 Series Instruction Manual

5.2.4

Selecting the PM sensorless vector control

PM PM PM
 Setting for the PM sensorless vector control by selecting IPM
initialization on the operation panel
(" ")
• The parameters required to drive an IPM motor MM-CF are automatically set by batch. (Refer to
• [PM] indicator on the operation panel (FR-DU08) is turned ON when the PM sensorless vector control is set.
The following shows the procedure to initialize the parameter settings for an MM-CF IPM motor by selecting IPM parameter
initialization on the operation panel.
Operating procedure
1.
Turning ON the power of the inverter
The operation panel is in the monitor mode.
2.
Changing the operation mode
Press
[PU] indicator turns ON.
3.
Selecting the parameter setting mode
Press
[PRM] indicator is ON.
4.
IPM initialization selection
Turn
5.
Displaying the set value
Press
" " (initial value) appears.
6.
Changing the setting value
Turn
"
Setting
0 Parameter settings for an induction motor
3003 Parameter settings for MM-CF IPM motor (rotations per minute)
NOTE
• If parameters are initialized for a PM motor in the IPM initialization mode, the Pr.998 PM parameter 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 by adjusting frequencies or to monitor it, use Pr.998. (Refer to
230
5. PARAMETERS
5.2 Control method
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to choose the PU operation mode.
to choose the parameter setting mode.
until " " (IPM initialization) appears.
to read the present set value.
to change the value to "
" and " " are displayed alternately. The setting is completed.
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", and press to confirm it.
page
page 231.)
231.)