No-Load Operation Test Run - YASKAWA iQpump Micro CIMR-PW Series User Manual

4.10 No-Load Operation Test Run

4.10 No-Load Operation Test Run
u No-Load Operation Test Run
This section explains how to operate the drive with the motor uncoupled from the load during a test run.
Before Starting the Motor
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Check the following items before operation:
• Ensure the area around the motor is safe.
• Ensure external emergency stop circuitry is working properly and other safety precautions have been taken.
During Operation
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Check the following items during operation:
• The motor should rotate smoothly (i.e., no abnormal noise or oscillation).
• The motor should accelerate and decelerate smoothly.
No-Load Operation Instructions (Standard Digital LED Operator)
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The following example illustrates a test run procedure using the digital operator.
1. Turn on the power to the drive. The initial display appears.
Press to give the drive a Run command from HAND mode. The HAND light will
2.
HAND
turn on and the motor will rotate at 40 Hz.
3. Ensure the motor is rotating in the correct direction and no faults or alarms occur.
If there is no error in step 3, press
frequency in 10 Hz increments verifying smooth operation results at all speeds. For each
4.
frequency, monitor the drive output current (U1-03) through the LED operator to confirm
the current is well below the motor rated current. Example: 40 Hz → 60 Hz.
The drive should operate normally. Press
5.
off and the motor coasts to stop.
104
Step
to increase the frequency reference. Increase the
OFF
to stop the motor. The HAND light is
YASKAWA TOEP YAIQPM 03B YASKAWA AC Drive - iQpump Micro User Manual
Display/Result
HAND
AUTO OFF
HAND
Off
Motor
– –
HAND
AUTO OFF
HAND
On
HAND
On
Forward
HAND
Off