SC453-017-05 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 Pacific Scientific SC453-017-05 is a programmable digital position controller from the SC450 Brushless Servo Controllers series. It provides resolver feedback, a peak output power of 4500 W at 230 VAC, and delivers continuous current of 7.5 A at both 115 and 230 VAC. The controller weighs approximately 5.0 kg and maintains position control accuracy within 15 arcminutes.
Internal Product Review
The SC453-017-05 is a Pacific Scientific brushless servo controller with programmable digital position control and resolver feedback. Continuous 7.5 A current and 15.0 A peak current give the unit strong drive capability for demanding motion applications. Positioning remains precise with 15 arcmin accuracy and 4096 steps per revolution, making this controller a very capable choice for servo systems.
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Product Description:
The SC453-017-05 is a programmable digital position controller produced by Pacific Scientific for the SC450 Brushless Servo Controllers series. Classified within the company’s servo controller family, it combines a power stage with an embedded motion language interpreter, permitting single-axis systems to execute index, dwell, and velocity profiles without an external computer. Resolver feedback input allows the unit to attain electrical commutation and positional closure in one loop, and its role in industrial automation is to translate higher-level process commands into exact current vectors for a brushless motor.
Under 115 VAC or 230 VAC mains, the controller can deliver a continuous phase current of 7.5 A, while short bursts rise to a peak of 15.0 A for rapid acceleration. At 230 VAC, this translates into a maximum instantaneous output of 4500 W, allowing high-inertia loads to be started without external boosters. The current waveform is chopped at an 15 kHz output ripple frequency, a switching rate that limits audible noise and improves torque linearity. Internal position registers track shaft rotation at a resolution of 4096 steps per rev, so each electrical revolution can be subdivided for fine motion profiling.
Closed-loop accuracy is specified at 15 arcmin, letting the controller hold rotary tables or lead screws within tight mechanical tolerances across its 0 to 100 million-step range. Reliable operation is maintained across an ambient span of 0 to 50 °C, and the unit can be stored at -55 to 70 °C when not in service. With an overall mass of 5.0 kg, it can be mounted inside medium-sized control cabinets without special bracing. Resolver feedback compatibility and PacSci ServoBASIC programmability remain available within the stated temperature range and regardless of mounting orientation.
