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CAUTION
• Check that the number of phases and the rated voltage of the product agree with the number of
phases and the voltage of the AC power supply.
Otherwise fire or an accident could occur.
• Do not connect the AC power cables to the output terminals (U, V, W).
Otherwise fire or an accident could occur.
• Do not connect a braking resistor directly to the DC terminals (P (+), N (-)).
Otherwise fire or an accident could occur.
• The inverter, motor and wiring generate electric noise. Take care of malfunction of the nearby
sensors and devices.
Otherwise an accident could occur.
Operation
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WARNING
• Be sure to install the terminal cover before turning the power on. Do not remove the cover during
power application.
Otherwise electric shock could occur.
• Do not operate switches with wet hands.
Otherwise electric shock could occur.
• If the retry function has been selected, the inverter may automatically restart according to some
causes after tripping.
(Design the machine so that human safety is ensured after restarting.)
Otherwise an accident could occur.
• If the torque limit function has been selected, the inverter may operate at an
acceleration/deceleration time or speed different from the set ones. Design the machine so that
safety is ensured even in such cases.
Otherwise an accident could occur.
• The STOP key is only effective when function setting has been established to make the STOP key
enable. Prepare an emergency stop switch separately.
Otherwise an accident could occur.
• If an alarm reset is made with the operation signal turned on, a sudden start will occur. Check that
the operation signal is turned off in advance.
Otherwise an accident could occur.
• Do not touch the inverter terminals during power applies to the inverter even if the inverter stops.
Otherwise electric shock could occur.
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CAUTION
• Do not turn the main circuit power on or off to start or stop inverter operation.
Otherwise failure could occur.
• Do not touch the heat sink and braking resistor because they become very hot.
Otherwise burns could occur.
• Setting the inverter to high speeds is easy. Check the performance of the motor and machines
before changing the setting.
Otherwise injuries could occur.
• The brake function of the inverter does not provide mechanical holding means.
Injuries could occur.
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