SC102-001 Pacific Scientific
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The Pacific Scientific SC102-001 is a brushless servo controller from the SC100 Brushless Servo Controllers series. It supports a nominal bus voltage of 320 VDC and continuous output currents up to 12 Amps, delivering a continuous output power of 3.6 kW. The controller operates with three input phases at an input voltage of 230 VAC and achieves an efficiency greater than 95%.
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Product Description:
Pacific Scientific designs the SC102-001 as a member of its SC100 Brushless Servo Controllers series. This controller manages current-loop and velocity-loop regulation for brushless servomotors in automated machinery. It provides regulated DC power and pulse-width-modulated switching for precise torque and speed control on factory lines and gantry stages.
The internal power section is referenced to a bus of 320 VDC, derived from a three-phase mains supply that may vary between 230 VAC (+10%, -15%) and still support normal operation. The input line must deliver three phases at 47–63 Hz; this range allows operation on both utility and industrial power systems without retuning filters. Under steady thermal conditions, the drive supplies a continuous armature current of 12 A, translating into 3.6 kW of mechanical shaft power at stall. With an efficiency above 95%, most of the converted energy reaches the load, while only 90 W is dissipated as heat at full load. A dedicated shunt circuit absorbs 30 W continuously, bleeding regenerative energy when the motor decelerates. Continuous ratings are valid from 0 °C up to 50 °C, so cabinet cooling must keep the ambient within this band to avoid current derating.
Short-term overload capability supports dynamic motion profiles. For five-second transients, the current can rise to 15 A and the output power peaks at 4.5 kW, giving additional torque for acceleration. The shunt regulator also responds to rapid braking pulses, handling up to 8 kW for 300 ms without overstress. A carrier rate of 5 kHz sets the switching frequency for the IGBTs, balancing acoustic noise against switching loss. All peak limits apply to the standard controller configuration, and storage is permitted between -55 °C and 70 °C when the equipment is inactive.
Frequently Asked Questions about SC102-001:
Q: What is the nominal bus voltage required for the SC102-001 servo controller?
A: The SC102-001 operates at a nominal bus voltage of 320 VDC.
Q: What is the continuous output power capability of the SC102-001?
A: This controller supports a continuous output power of 3.6 kW at stall.
Q: What is the efficiency rating of the SC102-001 servo controller?
A: The SC102-001 has an efficiency rating greater than 95%, helping to minimize energy losses during operation.
Q: What type of input voltage and phase does the SC102-001 accept?
A: It is designed for a three-phase input at 230 VAC with a tolerance of +10% and -15%.
Q: What is the full-rated operating temperature range for the SC102-001?
A: The SC102-001 can safely operate at full ratings in temperatures from 0°C to 50°C.
