SC755A-001-02 Pacific Scientific
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The Pacific Scientific SC755A-001-02 is a servocontroller in the SC750 Servo Drives series. It is a programmable digital position controller with resolver feedback and supports continuous currents of 30 Amps with a peak current of 60 Amps. The unit uses natural convection and built-in fans for cooling and has a maximum power dissipation of 300 Watts.
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Product Description:
The SC755A-001-02 servo drive is manufactured by Pacific Scientific and belongs to the SC750 Servo Drives series. As a servo controller, it supplies regulated current to matched motors while supervising motion through its built-in programmable digital position controller. In plant automation, the unit forms the interface between a higher-level PLC and the electromechanical axis, translating position commands into precise motor torque and velocity. Because the position controller is integrated into the drive, motion tasks can be handled close to the motor rather than through a separate external positioning module.
The power section delivers a continuous output of 30 A, allowing sustained operation without thermal derating, and it can surge to 60 A during rapid acceleration or disturbance rejection. Under peak demand, the drive can supply up to 18,000 W to the motor, while internal losses are limited to 300 W. Heat is removed by built-in fans and natural convection, so no external airflow is required. This cooling arrangement supports operation in enclosed control cabinets where space for auxiliary ventilation may be limited. The controller executes position loops locally, which lets the drive respond directly to commanded axis changes without relying on a separate external position module.
Axis feedback is accepted through resolver feedback, which provides high noise immunity for motion control. Resolution can be enhanced by an option that limits system backlash to 22 arcmin. For proper mains isolation, the recommended transformer rating is 5 to 7.5 kVA, sized to accommodate inrush and regeneration. That transformer range supports the supply stage during startup and during energy returned from the motor in deceleration. The drive has a weight of 18.16 kg, which supports manageable cabinet installation inside control panels.
Frequently Asked Questions about SC755A-001-02:
Q: What is the continuous current rating for the SC755A-001-02 servo drive?
A: This model provides a continuous current output of 30 A for sustained operation.
Q: What type of feedback does the SC755A-001-02 servo drive use?
A: The SC755A-001-02 utilizes resolver feedback for precise position measurement.
Q: What is the peak power output for the SC755A-001-02?
A: A peak power output of 18,000 Watts is supported by this servo drive.
Q: How is the SC755A-001-02 servo drive cooled during operation?
A: This model employs both natural convection and built-in fans for cooling.
Q: What transformer rating is recommended for the SC755A-001-02?
A: A transformer with a rating of 5 to 7.5 KVA is recommended for this unit.
