SC452-044-05 Pacific Scientific
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The Pacific Scientific SC452-044-05 is a programmable digital position controller from the SC450 Brushless Servo Controllers series. It features resolver feedback, offers a continuous current of 4.2 A at 115 VAC or 3.5 A at 230 VAC, and provides a peak output power of 2000 W at 230 VAC. The controller weighs 2.7 kg and delivers position control accuracy of 15 arcminutes with a range up to 100 million steps.
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Product Description:
Pacific Scientific builds the SC452-044-05 as part of its SC450 Brushless Servo Controllers series. At 2.7 kg, this compact unit adds minimal mass to a panel while delivering closed-loop motion control for brushless servomotors in automated assembly cells, pick-and-place axes, and metrology stages. Resolver feedback is accepted directly, so no external converters are required when legacy transducers are present. The product family designation is Servo Controller, indicating its role as the drive side of a motor-controller pair.
The controller supplies a continuous motor phase current of 4.2 A when fed from 115 VAC lines and 3.5 A when supplied from 230 VAC. Transient load surges can be handled with a peak output of 7.0 A, and mechanical acceleration energy is backed by a maximum power delivery of 2000 W on 230 VAC input. Internally, the power stage is pulse-width modulated at 20 kHz, which shifts switching noise above audible ranges and improves current resolution. Safe operation is specified for ambient temperatures from 0 °C to 50 °C, matching the thermal limits of most control cabinets.
Positioning tasks are managed by a programmable digital position controller core that is scripted with PacSci ServoBASIC. The loop achieves a positioning accuracy of 15 arcmin, with command values selectable anywhere in the extensive range of 0 to +100,000,000 steps. Each resolver revolution is subdivided into 4096 steps per rev, enabling smooth interpolation in low-speed moves. An output ripple filter, hardware limit inputs, and software torque limits round out the control feature set. The unit can be stored between −55 °C and 70 °C without compromising internal components or calibration data.
Frequently Asked Questions about SC452-044-05:
Q: What feedback type does the SC452-044-05 servo controller use?
A: The SC452-044-05 supports resolver feedback for precise position detection.
Q: What is the peak output power of the SC452-044-05 at 230 VAC?
A: This controller delivers a peak output power of 2000 W when supplied with 230 VAC.
Q: What is the position control resolution of the SC452-044-05?
A: The SC452-044-05 can achieve a position control resolution of 4096 steps per revolution.
Q: What is the continuous current rating for the SC452-044-05 at 115 VAC?
A: With a continuous current rating of 4.2 A at 115 VAC, this model supports sustained operation at that level.
Q: What is the operating temperature range of the SC452-044-05 servo controller?
A: Its operating temperature range is from 0 to 50°C, enabling use in moderate ambient conditions.
