SC102-001-M Pacific Scientific
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The Pacific Scientific SC102-001-M is a brushless servo controller from the SC100 Brushless Servo Controllers series. It operates at a nominal bus voltage of 320 VDC and provides a continuous output current of 12 Amps with a continuous output power of 3.6 kW. The controller accepts an input voltage of 230 VAC with three phases and offers an efficiency greater than 95%.
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Product Description:
The SC102-001-M brushless servo controller is produced by Pacific Scientific as part of the SC100 Brushless Servo Controllers series. It serves as the power and control interface between a plant's three-phase mains and a permanent-magnet servomotor, regulating velocity loops and protecting the motor windings during dynamic duty cycles. The controller houses rectification, power-factor correction, and digital signal processing in a single chassis, allowing it to fit into compact cabinets while still driving coordinated axes on packaging machines, pick-and-place gantries, or indexing tables that demand precise, repeatable motion.
The internal power stack establishes a nominal bus voltage of 320 VDC by rectifying the three-phase supply. From this bus, the PWM inverter can source a continuous stall current of 12 A, which supports a steady mechanical output of 3.6 kW at the motor shaft. Electrical losses are minimized, and overall drive efficiency remains above 95%, so heat generation stays within the 90 W rating at full load. The input terminals accept 230 VAC (+10%, -15%) over a frequency range of 47 to 63 Hz, allowing equipment to ride through moderate line fluctuations while still delivering rated performance. A shunt regulator bleeds regenerative energy at a continuous 30 W level, protecting the DC bus during deceleration.
During rapid accelerations, the drive can exceed its continuous ratings for short bursts. It supplies up to 15 A of phase current for five seconds, corresponding to a transient mechanical capability of 4.5 kW. The carrier operates at 5 kHz, balancing current ripple with acoustic noise for general-purpose machinery. Regenerated energy that cannot be recycled to the mains is dumped through the shunt transistor, which handles peaks of 8 kW for 300 ms without tripping. Full output is maintained across an ambient range of 0 °C to 50 °C, and the hardware can be stored from -55 °C up to 70 °C without degradation.
Frequently Asked Questions about SC102-001-M:
Q: What is the nominal bus voltage of the SC102-001-M servo controller?
A: The SC102-001-M has a nominal bus voltage rating of 320 VDC.
Q: What is the continuous output current at stall for the SC102-001-M?
A: This controller delivers a continuous output current of 12 A when stalled.
Q: What operational efficiency does the SC102-001-M servo controller offer?
A: The SC102-001-M achieves an efficiency greater than 95% during typical operation.
Q: What is the acceptable input voltage range for the SC102-001-M?
A: It operates with an input voltage of 230 VAC, allowing for a tolerance of +10% or -15%.
Q: What is the operating temperature range for full-rated performance of the SC102-001-M?
A: The SC102-001-M controller has an operating temperature range from 0°C to 50°C at full ratings.
