SC452-011-15 Pacific Scientific
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
The Pacific Scientific SC452-011-15 is a programmable digital position controller and part of the SC450 Brushless Servo Controllers series. It provides resolver feedback, has a continuous current rating of 4.2 A at 115 VAC and 3.5 A at 230 VAC, and delivers a peak output power of 2000 W at 230 VAC. The controller weighs 2.7 kg, operates between 0 and 50°C, and offers a position control resolution of 4096 steps per revolution.
Internal Product Review
The SC452-011-15 is a Pacific Scientific brushless servo controller configured as a programmable digital position controller with resolver feedback. Positioning performance is impressive, with 15 arcmin accuracy and 4096 steps per revolution supporting precise motion control. A 7.0 A peak current rating and 2000 W peak output at 230 VAC make the controller a strong choice for demanding servo applications.
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Product Description:
The SC452-011-15 servo controller is manufactured by Pacific Scientific and belongs to the SC450 Brushless Servo Controllers series. As a programmable digital position controller, it governs the torque and velocity loops of brushless servomotors used in industrial automation cells, pick-and-place gantries, and packaging lines. By integrating drive and motion functions into one panel-mount unit, it translates motion commands from higher-level PLCs into precise phase currents that correspond to commanded positions.
During continuous operation on 115 VAC mains, the controller supplies up to 4.2 A of phase current, while the 230 VAC rating allows a sustained output of 3.5 A. Transient demands are handled by a peak capability of 7.0 A, and at 230 VAC this translates to a maximum instantaneous mechanical power of 2000 W. Motor current is generated with a pulse-width-modulated bridge that switches at an output ripple frequency of 20 kHz, keeping audible noise low and reducing torque ripple. The controller remains functional between 0 °C and 50 °C, and it can be stored safely from −55 °C to 70 °C without damage. Its internal firmware accepts user-defined motion sequences that remain in nonvolatile memory between power cycles.
The position loop uses resolver feedback and delivers a control accuracy of 15 arcmin. Motion commands can span an absolute range from 0 to +100,000,000 steps, giving ample travel for large-scale indexing systems. Each electrical revolution is subdivided into 4096 steps per revolution, allowing fine interpolation when coupled with high-pole motors. Despite these numeric capabilities, the unit weighs only 2.7 kg, which simplifies installation on crowded control panels. The resolver-based position loop does not require external encoders, which suits machinery that uses analog brushless feedback while still requiring digital motion scripting.
