4.8
Test Run with Load Connected
u
Test Run with the Load Connected
After performing a no-load test run connect the load and proceed to run the motor and load
together.
n
Notes on Connected Machinery
• Clear the area around the motor.
• The motor should come to a complete stop without problems.
• Connect the machinery.
• 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.
n
Checklist Before Operation
• The motor should rotate in the proper direction.
• The motor should accelerate and decelerate smoothly.
n
Operating the Motor under Loaded Conditions
Test run the application similarly to the no-load test procedure when connecting the machinery
to the motor.
• Check monitor parameter U1-03 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 occurs with hunting, oscillation, or other control-related
issues.
4.8 Test Run with Load Connected
YASKAWA ELECTRIC TOEP C710606 25D YASKAWA AC Drive J1000 Installation & Start-Up Manual
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4
Start-Up Programming & Operation
