SC103-010-T4 Pacific Scientific
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The SC103-010-T4 is a brushless servo controller manufactured by Pacific Scientific and is part of the SC100 Brushless Servo Controllers series. It operates with a 320 VDC nominal bus voltage and a 230 VAC three-phase input voltage at 47 to 63 Hz. The controller provides a continuous output power of 4.5 kW with a peak output current of 30 Amps for five seconds, and offers greater than 95 percent efficiency.
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Product Description:
The SC103-010-T4 is a brushless servo controller produced by Pacific Scientific as part of the SC100 Brushless Servo Controllers series. By rectifying three-phase mains and modulating phase current, it lets permanent-magnet servomotors track velocity commands from the integrated Tachsyn Processor interface. Within automated packaging lines, pick-and-place gantries, or material-handling axes, the unit supplies regulated power so the connected drive can hold position at stall or accelerate rapidly on demand.
On the input side, the controller accepts a three-phase supply of 230 VAC (+10%, -15%) at line frequencies from 47 to 63 Hz. That supply is converted to a nominal dc link of 320 VDC, which energizes IGBT bridges for sinusoidal commutation. Under continuous stall conditions, the drive can deliver 15 A and support up to 4.5 kW of motor output while dissipating 105 W as heat. Overall conversion efficiency exceeds 95%, which helps limit cabinet cooling requirements. A shunt network removes 30 W of regenerated energy during steady deceleration, and the analog tachometer channel provides a gradient of 4.0 V per krpm for high-resolution speed loops.
For short bursts, the controller can source 30 A for five seconds and support up to 9 kW so that motors can overcome inertial loads. Regenerative braking is handled by a peak shunt capacity of 8 kW for 300 ms, and the power stage switches at 5 kHz to manage these transients without audible noise. Full performance is maintained between 0 °C and 50 °C. When not in operation, the unit may be stored from -55 °C to 70 °C without component damage. Continuous shunt dissipation, peak absorption, and the 105 W internal loss set thermal sizing for heat sinks and airflow in servo panels that use this controller.
Frequently Asked Questions about SC103-010-T4:
Q: What is the nominal bus voltage supported by the SC103-010-T4 controller?
A: The SC103-010-T4 servo controller operates with a nominal bus voltage of 320 VDC.
Q: What is the continuous output current rating for the SC103-010-T4?
A: This model provides a continuous output current of 15 A at stall.
Q: What interface type is used in the SC103-010-T4 controller?
A: The SC103-010-T4 features an interface type based on the Tachsyn Processor.
Q: What is the allowable operating temperature range for the SC103-010-T4?
A: At full ratings, the SC103-010-T4 can operate reliably between 0°C and 50°C.
Q: What is the short-term peak output power capability of the SC103-010-T4 controller?
A: The SC103-010-T4 has a peak output power of 9 kW for up to 5 seconds.
