Chapter 3 Operation and Start Up|VFD-VL
3-10
Pr.05-02
Rated power of Motor
0.00~655.35kW
Pr.05-03
Rated speed of Motor
(rpm)
0~65535
Pr.05-04
Number of Motor Poles
2~48
PM
Motor Auto-tuning: When the Source of the Operation Command is set to digital
keypad (Pr.00-15=2, refer to step 1) and setting Pr.08-00=2
Pr.08-00
Motor Auto tuning
0: No function
1: Only for the unloaded motor, auto measure the
Angle between magnetic pole and PG origin (08-09)
2: For PM parameters
3: Auto measure the Angle between magnetic pole and
PG origin (08-09)
NOTE 1: It doesn’t need to release the brake in this auto tuning operation. Please make sure that
the electromagnetic valve is ON when it is used between the AC motor drive and motor. The
warning message “Auto tuning” will be displayed on the digital keypad during tuning until it is
finished. Then, the measure result will be saved into Pr.08-05 and Pr.08-07. (Pr.08-05 is Rs of
Motor and Pr.08-07 is Lq of Motor)
NOTE 2: It is recommended to set Pr.08-00 to 1 (unloaded motor) for the most accurate calculation.
If it needs to execute this function with loaded motor, please balance the carriage before execution.
When Pr.08-00=1, please note:
When executing the function of auto measure the Angle between magnetic pole and
PG origin, it is recommended to stop the carriage car at the middle level.
Make sure that the electromagnetic valve and mechanical brake are OFF before
executing this function.
When Pr.08-00=1, please execute this function with unloaded motor to get the most
accurate result. If it needs to execute this function with loaded motor, please balance
the carriage before execution. Make sure the balance by releasing the brake
manually before running. This balance will affect the accuracy and the accuracy will
influence the power efficiency in driving the motor.
NOTE 3: If it doesn’t allow balancing carriage in the measured environment, it can set Pr.08-00 to 3
for executing this function. It will have a difference of 15~30
o
by the different encoder type.
When Pr.08-00 is set to 3, the driver will execute the function by the setting of Pr.10-
00. The difference between Pr.08-00=3 and Pr.08-00=1 is it doesn’t need to put the
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