SC453-011-05 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 SC453-011-05 servo controller by Pacific Scientific is part of the SC450 Brushless Servo Controllers series and weighs approximately 5.0 kg. It is a programmable digital position controller with resolver feedback, offering a peak output power of 4500 W at 230 VAC and a peak current of 15.0 A. The device provides position control accuracy of 15 arcmin and a resolution of 4096 steps per revolution.
Internal Product Review
The SC453-011-05 is a Pacific Scientific brushless servo controller configured as a programmable digital position controller with resolver feedback. Positioning performance is impressive, with 4096 steps per revolution and 15 arcmin accuracy supporting precise motion profiles. A 15.0 A peak current rating and 4500 W peak output at 230 VAC make the unit a strong choice for demanding servo applications.
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Product Description:
The SC453-011-05 belongs to the SC450 Brushless Servo Controllers series from Pacific Scientific. It is a programmable digital position controller intended to regulate brushless servomotors in automated machinery. By combining resolver feedback with internal motion algorithms, the unit executes closed-loop position tasks without an external PLC. Motion sequences are programmed through the PacSci ServoBASIC environment, allowing step-based moves, homing routines, and coordinated axis control inside a single enclosure.
The controller supplies a continuous output of 7.5 A when operated from either 115 VAC or 230 VAC and can deliver a momentary peak of 15.0 A for acceleration or disturbance rejection. When powered from a 230 VAC source, its output stage is rated for 4500 W, which suits moderate-power rotary or linear servomotors. A carrier frequency of 15 kHz helps minimize current ripple so motor torque remains smooth at low speeds, and position measurement is quantized at 4096 steps per rev to support fine incremental moves during indexing or electronic gearing. This combination allows the controller to manage both steady running and short dynamic load changes while maintaining precise command execution.
The motion loop holds commanded points within 15 arcmin of error, and the internal counter spans 0 to +100,000,000 steps so long motion sequences can run without counter rollover. Safe operation is specified for ambient temperatures from 0 to 50 °C, and the enclosure weighs 5.0 kg for panel-mounted installation. Resolver feedback provides position data with strong noise immunity in industrial environments. The software tools also support I/O mapping, gain tuning, and storage of motion programs in nonvolatile memory, which helps the controller retain configured behavior after power is removed. During storage or shipment, the electronics tolerate temperatures from -55 to 70 °C without damage to normal operation.
