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CAUTION
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Do not connect AC power to output terminals U, V, and W.
The interior parts of the Inverter will be damaged if voltage is applied to the output terminals.
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Do not connect phase-advancing capacitors or LC/RC noise filters to the output cir-
cuits.
The Inverter can be damaged or internal parts burnt if these devices are connected.
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Do not connect electromagnetic switches or contactors to the output circuits.
If a load is connected while the Inverter is operating, surge current will cause the overcurrent
protection circuit inside the Inverter to operate.
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Setting User Constants
CAUTION
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Disconnect the load (machine, device) from the motor before autotuning.
The motor may turn, possibly resulting in injury or damage to equipment. Also, motor
constants cannot be correctly set with the motor attached to a load.
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Trial Operation
WARNING
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Check to be sure that the front cover is attached before turning ON the power supply.
Do not remove the front cover during operation.
An electric shock may occur.
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Do not come close to the machine when the fault reset function is used. If the alarmed
is cleared, the machine may start moving suddenly.
Also, design the machine so that human safety is ensured even when it is restarted.
Injury may occur.
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Provide a separate emergency stop switch; the Digital Operator STOP Key is valid
only when its function is set.
Injury may occur.
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Reset alarms only after confirming that the RUN signal is OFF. If an alarm is reset with
the RUN signal turned ON, the machine may suddenly start.
Injury may occur.
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CAUTION
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Don’t touch the radiation fins (heat sink), braking resistor, or Braking Resistor Unit.
These can become very hot.
Otherwise, a burn injury may occur.
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Be sure that the motor and machine is within the applicable ranges before starting
operation.
Otherwise, an injury may occur.
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Provide a separate holding brake if necessary.
Always construct the external sequence to confirm that the holding brake is activated
in the event of an emergency, a power failure, or an abnormality in the inverter occur-
ing.
Failure to observe this caution can result in personal injury.
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If using with an elevator, take safety measures on the machine’s side to prevent the
elevator from dropping.
Failure to observe this caution can result in personal injury.
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Summary of Contents for VARISPEED-616G5
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