1 Safety Instructions NICE3000
new
User Manual
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● NEVER connect power cables to the output terminals (U, V, W) of the controller. Identify the marks of the
cable terminals carefully, and make sure you complete all connections correctly.
● NEVER connect the regen. resistor between the DC bus terminals (+) and (-).
● Use a shielded cable for connection to the encoder, and make sure that the shield is tied to ground reliably.
4. During Electrical Connections
● Connect the output terminals (U, V, W) of the controller respectively to the input terminals (U, V, W) of the
motor. Make sure to keep their phase sequence consistent. Inconsistent phase sequence will result in
reverse rotation of the motor.
● NEVER connect power cables to the output terminals of the controller. Failure to comply will result in
damage to the controller or even a re.
5. After Power-on
● Do not open or remove the protective cover of the controller after power-on.
● NEVER touch any of the input/output terminals of the controller.
● NEVER touch the rotating part of the motor during motor auto-tuning or while the motor is running.
● Do not change the default settings of the controller.
6. During Operation
● Do not allow unqualied personnel to perform signal detection during operation.
● Do not touch the fan or the discharging resistor. Otherwise, you may get burnt.
● Signal measurements must be made only by a qualied technician.
● Prevent objects falling into the controller.
● Follow the correct procedures described in this user manual to start and to stop the controller. Do not start
or stop the controller by using the contactor.
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