CUTES DBU304-022 설치 매뉴얼 - 페이지 5
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With this kind of alarm, please install a fan to force air-cooling or reduce the environment temperature. If the condition isn't due to
the temperature, the control circuit or the temperature sensor may have been damaged. At this time, please send the braking unit
back to the manufacturer or agency for repair.
The AC Motor Drive and braking unit will be electrified at the same time while turning on the NFB (No-fuse breaker).For the
5.
operation/stop method of the motor, please refer to the user manual of the AC Motor Drives VFD Series. The braking unit will
detect the inner DC voltage of the AC motor drive when it stops the motor by deceleration. The extra regeneration will be
dissipated away rapidly by the braking resistor in the form of heat. It can ensure the stable deceleration characteristic.
6.
Besides using thermal overload relay to be the protection system and braking resistor, temperature switch can be installed on
braking resistor side as the protection. The temperature switch must comply with the braking resistor specification or contact your
dealer.
Dimension
Terminal No./ The Selection of Power Voltage and Braking Voltage Activation Level
DBU Braking Unit Front View