SC754A-001-02 Pacific Scientific
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The Pacific Scientific SC754A-001-02 is a servocontroller from the SC750 Servo Drives series, designed as a programmable digital position controller. It provides a continuous and peak current of 15 Amps, a peak power output of 9000 Watts, and features resolver feedback. This standard unit weighs 18.16 kilograms and uses both natural convection and built-in fans for cooling.
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Product Description:
The SC754A-001-02 belongs to the SC750 Servo Drives series produced by Pacific Scientific. It is a servo controller intended to regulate brushless or brushed servo motors in automated machinery, providing closed-loop velocity and position regulation for axes that demand accurate repetitive motion. In an industrial line, this unit links the motion controller to the motor, translating digital commands into precisely timed phase currents that keep a load synchronized with programmed profiles. It is suited to applications that need repeatable starts, stops, and speed changes without relying on manual analog adjustments.
This model has a continuous current output of 15 A continuous current, which sets the thermal limit for uninterrupted production cycles. Its control core is a programmable digital position controller, so motion parameters can be adjusted through software instead of analog trim pots. Cooling relies on natural convection and built-in fans. This mixed method removes internally generated heat without external air plenums. Rotor angle and speed data arrive through resolver feedback, allowing sinusoidal commutation even when magnetic fields fluctuate under load. Up to 150 W power dissipation must be removed from the semiconductors while the drive operates at nominal current. Peak current is also listed as 15 A, and software-based adjustment helps the axis response match different load conditions and motion profiles.
The optional tracking feature can tighten positional accuracy to +22 arcmin, which benefits indexing tables and coordinated gantries. During acceleration, the amplifier can release 9000 W peak power to the motor windings, so the supply path must tolerate that surge. Pacific Scientific recommends a transformer rated at 3 to 5 kVA to hold the DC bus within tolerance while the internal rectifier charges. The enclosure and heat sink together weigh 18.16 kg, which matters when the drive is mounted in cabinets or on support panels. The unit is supplied fully assembled and requires only line power, motor cables, and resolver wiring for integration into an existing motion cell. This keeps installation focused on electrical connections rather than added subassemblies.
