Yaskawa VS-626 MC5 User Manual
Page 131
Basic Operation
6.3.3 Autotuning for general-purpose motors
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J
Required Constant Settings
1.
Enter autotuning mode and make the following constant settings:
x
Rated Voltage *
Set the rated voltage (VAC) shown on the motor nameplate.
x
Rated Current
Set the rated current (A) shown on the motor nameplate.
x
Rated Frequency
Set the rated frequency (Hz) shown on the motor nameplate.
x
Rated Speed
Set the rated speed (r/min) shown on the motor nameplate.
x
Number of Poles
Set the number of poles.
x
Motor Selection
Select motor 1 or motor 2. (Normally select motor 1.).
x
PG Pulses/Rev:
Set the number of A-phase or B-phase pulses per revolution.
2.
The following message 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.
*
Rated voltage for vector control motors is approx. 10 to 20% lower than general--purpose
motors. Always verify motor voltage listed on the nameplate or test report before use.
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Performing Autotuning
D
Autotuning will start if the Run Key is pressed when the “Tuning Ready?” message is being displayed.
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
Hz
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 is 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 Table 6.3 Autotuning Faults for details on correcting the
cause of the fault and perform autotuning again.
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