YASKAWA U1000 Series - TEST RUN WITH LOAD CONNECTED

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170 YASKAWA ELECTRIC SIEP C710636 02B YASKAWA U1000 Technical Manual

4.9 Test Run with Load Connected

◆ Test Run with the Load Connected

After performing a no-load test run, connect the motor and proceed to run the motor and load together.

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Notes on Connected Machinery

• Clear the area around the motor.

• The motor should come to a complete stop without problems.

• Connect the load and machinery to the motor.

• Fasten all installation screws properly. Check that the motor and connected machinery are held in place.

• Confirm that the Fast Stop circuit or mechanical safety measures operate correctly.

• Be ready to press the STOP button in case of emergency.

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Checklist Before Operation

• The motor should rotate in the proper direction.

• The motor should accelerate and decelerate smoothly.

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Operating the Motor under Loaded Conditions

Test run the application similarly to the no-load test procedure when connecting the machinery to the motor.

• Watch monitor parameter U1-03 during operation to ensure there is no overcurrent.

• If the application permits running the load in the reverse direction, try changing motor direction and the frequency

reference while watching for abnormal motor oscillation or vibration.

• Correct any problems that occur with hunting, oscillation, or other control-related issues. Refer to Motor Performance

Fine-Tuning on page 344 for details.

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