Panasonic MINAS A5 Two-Way Radio User Manual


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6
3. Troubleshooting
When in Trouble
Overshoot/Undershoot,
Overheating of the Motor (Motor Burn-Out)
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Causes Measures
Adjustment
Gain adjustment is not proper. Check with graphic function of PANATERM or monitor (connector
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Installation
Load inertia is large. Check with graphic function of PANATERM or monitor (Connector
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driver capacity and lower the inertia ratio. Use a gear reducer.
Looseness or slip of the
machine.
Review the mounting to the machine.
Ambient temperature,
environment.
Lower the temperature with cooling fan if the ambient temperature
exceeds the predications.
Stall of cooling fan, dirt of fan
ventilation duct.
Check the cooling fans of the driver and the machine. Replace the
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stops during servo OFF to save energy. This is normal.)
Mismatching of the driver and
the motor.
Check the name plates of the driver and the motor. Select a
correct combination of them referring to the instruction manual or
catalogue.
Failure of motor bearing. Check that the motor does not generate rumbling noise while
turning it by hand after shutting off the power. Replace the motor
and request for repair if the noise is heard.
Electromagnetic brake is kept
engaged (left un-released).
Check the voltage at brake terminals. Apply the power (DC24V) to
release the brake.
Motor failure (oil, water or
others)
Avoid the installation place where the motor is subject to high
temperature, humidity, oil, dust or iron particles.
Motor has been turned by
external force while dynamic
brake has been engaged.
Check the running pattern, working condition and operating status,
and inhibit the operation under the condition of the left.
6
3. Troubleshooting
When in Trouble
Motor Speed Does Not Reach to the Setup,
Motor Revolutions (Travel) Is Too Large or Small
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Causes Measures
Parameter
Velocity command input gain is
not correct.
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Adjustment
Position loop gain is low. 6HWXS3UDQG3USRVLWLRQORRSJDLQWRDSSUR[
Division/Multiplication is not
proper.
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denominator of electronic gear. Refer to parameter setup at each
mode.
Related page
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