SC103-001-T3 Pacific Scientific
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The Pacific Scientific SC103-001-T3 is part of the SC100 Brushless Servo Controllers series. It has a nominal bus voltage of 320 VDC and provides a continuous output current of 15 Amps with a peak output current of 30 Amps for 5 seconds. This controller supports three-phase 230 VAC input, operates efficiently above 95 percent, and delivers continuous output power up to 4.5 kW.
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Product Description:
The SC103-001-T3 is a brushless servo controller manufactured by Pacific Scientific and placed within the SC100 Brushless Servo Controllers series. The unit conditions line power and regulates current for permanent-magnet motors, enabling high-bandwidth speed and torque loops in conveyors, pick-and-place axes, and other automated machinery that require precise electromechanical motion. The onboard Tachsyn processor accepts resolver-based feedback with a 2.0 V/kRPM gradient, closing the loop without external converters. It is intended for coordinated motion applications that rely on repeatable acceleration and smooth speed regulation.
Its power stage is referenced to a nominal bus of 320 VDC, and under continuous stall conditions the amplifier supplies 15 A, translating to a sustained shaft power capability of 4.5 kW. Incoming energy is drawn from a three-phase mains source rated at 230 VAC with a tolerance of +10 %/−15 % and a frequency window of 47–63 Hz, so the controller can be installed on standard factory distribution. Conversion is carried out at a 5 kHz switching frequency, and overall efficiency remains above 95%, minimizing cabinet heat. Full-rating operation is supported from 0 °C to 50 °C ambient, and the three input phases are filtered to limit conducted emissions. This input arrangement supports stable power conversion during changing load conditions.
During acceleration or transient load events the drive can deliver up to 30 A of phase current for five seconds, corresponding to a peak mechanical output of 9 kW. Excess regenerative energy is routed to an internal shunt where 30 W can be dissipated continuously and surges as high as 8 kW are accepted for 300 ms. Even at 100 % load, the control electronics release only 105 W as heat, easing enclosure ventilation design. The internal shunt handles short braking events inside the controller when regenerated energy rises during deceleration. The controller maintains its ratings after storage between −55 °C and 70 °C, permitting shipment and spare-part storage in uncontrolled climates.
Frequently Asked Questions about SC103-001-T3:
Q: What is the nominal bus voltage required for the SC103-001-T3 controller?
A: The SC103-001-T3 servo controller operates at a nominal bus voltage of 320 VDC.
Q: What is the continuous output current capability of the SC103-001-T3 at stall?
A: This controller provides a continuous output current (stall) of 15 A.
Q: What is the peak output power of the SC103-001-T3 servo controller?
A: The SC103-001-T3 delivers a peak output power of 9 kW for up to 5 seconds.
Q: What input voltage range does the SC103-001-T3 servo controller accept?
A: It supports a 230 VAC input voltage within a tolerance of +10% and -15%.
Q: What type of interface is provided on the SC103-001-T3 for feedback and control?
A: The controller uses a Tachsyn Processor interface for signal processing.
