Product Description:

The SC756A-001-02 is a servo controller produced by Pacific Scientific as part of the SC750 Servo Drives series. Designed for axis control in industrial automation, the unit combines current regulation and position computation so that brushless servo motors follow commanded trajectories with minimal error. By integrating drive electronics and digital control in a single enclosure, the product provides a compact solution for packaging, material-handling, and machine-tool applications that require closed-loop motion.

The drive delivers a continuous phase current of 60 A, enabling sustained torque production from matched motors, while short duty cycles can be supported with a peak capability of 120 A. Internally, power devices are protected by a thermal design that limits average loss to 600 W; excess heat is removed through natural convection and built-in fans, allowing cabinet mounting without external ducting. Command execution relies on a programmable digital position controller, so position loops, velocity loops, and following error limits can be tailored through software. A resolver feedback interface supplies absolute rotor angle information and maintains commutation during rapid reversals. The drive includes an option variant rated at +22 arcmin for applications that need enhanced mechanical resolution.

For power planning, the inverter can deliver up to 36000 W of instantaneous output power, so transformer sizing becomes critical; Pacific Scientific recommends a supply transformer between 10 to 15 kVA to keep bus-voltage sag within limits during acceleration. Despite this high output, the standard unit weighs only 40.86 kg, simplifying panel installation with lift assistance. The controller uses the standard unit configuration within the SC750 platform.