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YASKAWA A1000 Series Technical Manual

YASKAWA A1000 Series
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4.9 Test Run with Load Connected
YASKAWA ELECTRIC SIEP C710616 27C YASKAWA AC Drive A1000 Technical Manual 123
Start-Up Programming
& Operation
4
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.
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.
Checklist Before Operation
The motor should rotate in the proper direction.
The motor should accelerate and decelerate smoothly.
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.

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YASKAWA A1000 Series Specifications

General IconGeneral
SeriesA1000
TypeAC Drive
AltitudeUp to 1000m without derating
Output Frequency0-400 Hz
Control MethodV/f Control
Overload Capacity150% for 60 seconds
Communication OptionsModbus, DeviceNet, Profibus, Ethernet/IP
Ambient Temperature-10 to 50°C
Storage Temperature-20 to 60°C
Humidity5% to 95% (non-condensing)
Enclosure RatingIP20
Horsepower0.5 to 1000 HP
Power Range0.4 - 630 kW (varies by voltage and model)
Protection FeaturesOvercurrent, Overvoltage, Undervoltage, Overheat
Cooling MethodFan Cooled
SafetySafe Torque Off (STO)

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