6.2 Open-loop Vector Control
6-19
• Rated Frequency*
Set the rated frequency (Hz) shown on the motor nameplate.
• Rated Speed
Set the rated speed (r/min) shown on the motor nameplate.
• Number of Poles
Set the number of poles.
• Motor Selection
Select motor 1 or motor 2. (Normally select motor 1.)
2. The following massage will appear when the constants have been set:
Tuning Ready?
Press RUN Key
The “Press RUN Key” message will blink.
3. At this point, it is still possible to change the constant settings by pressing the Increment and Decre-
ment Keys to display the desired constant.
4. Press the STOP Key to cancel autotuning, and then press the MENU Key and DATA/ENTER Key. The
operation mode display will appear.
*There are differences between simple and advanced settings. Refer to the table below.
Operator Display Simple Settings (motor name-
plate ratings)
Detailed Settings
Rated Voltage Rated motor voltage Non-load voltage at rated revolu-
tions
Rated Frequency Rated motor frequency Frequency without load at rated rev-
olutions
The motor test reports, design data, and other detailed data is required to make detailed settings.
J
Performing Autotuning
D
Autotuning will start if the RUN Key is pressed when the “Tuning Ready?” message is being dis-
played.
D
The motor will operate during autotuning, so be sure that it is safe for the motor to operate before press-
ing the RUN Key.
D
The following message will be displayed when the RUN Key is pressed:
Tune Proceeding
V
Hz
VVVV
A
The “Tune Proceeding” message will blink.
D
Autotuning takes up to 1.5 minutes. The message“Tune Successful” will be displayed when autotun-
ing has been completed.
D
If autotuning has been completed successfully, press the MENU Key and proceed to the next operation.
D
If a fault occurred during autotuning, refer to 6.2.2 Autotuning Faults for details on correcting the cause
of the fault and perform autotuning again.
6.2.2 Autotuning Faults
D
One of the fault messages in the following table will be displayed if a fault occurs during autotuning
and the motor will stop. In this case, determine the cause of the fault, correct it, and perform autotuning
again.
D
The fault display can be cleared by pressing the MENU Key.
D
The motor constants will revert to their default settings if a fault occurs. Set these constants again be-
fore starting autotuning again.
6
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