8. Peripherals and Options
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8
Chapter 8 Peripherals and Options
Safety Information
WARNING
Ɣ
Do not connect or disconnect wirings while the power is on. Failure to comply will
result in electric shock.
Ɣ
Always keep breakers in OFF state at wiring or inspection.
CAUTION
Ɣ
When installing the drive inside an enclosed cabinet, use cooling fan or air conditioner
to keep air inlet temperature below 50°C. Failure to comply may result in overheating
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Ɣ
Cover the top of the drive with a temporary cloth or paper during installation so as
to prevent foreign matter such as metal shavings, oil and water from falling into the
drive. After installation is completed, remove the temporary cloth or paper.
Ɣ
Follow proper ESD procedures when operating the AC drive. Failure to comply will
damage the drive because of static electricity .
Ɣ
Operating the motor at low speed lowers the cooling effect and increases the motor
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damage to the motor. If the required motor speed range differs from that of the motor
manufacturer, please contact them for advice.
Ɣ
If the torque characteristic is different with drive operation compared with operation
from a commercial power supply, please check the load torque characteristic of the
connected machine.
Ɣ Pay attention to the load torque characteristic when selecting the drive capacity. In
addition, when there is a long distance between the motor and drive, use a cable with
a large cross sectional area to connect between the motor and the drive to prevent
motor torque reduction
Ɣ
Do not lift the AC drive while the front cover is removed. Failure to comply may result
in damage to PCB and terminal block.
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