SC104-001-T3 Pacific Scientific
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The Pacific Scientific SC104-001-T3 is part of the SC100 Brushless Servo Controllers series and delivers a nominal bus voltage of 320 VDC with an input voltage of 230 VAC. It offers a continuous output current of 20 Amps and peak output current up to 60 Amps, with a peak output power of 17 kW for 5 seconds. Efficiency is above 95 percent, and it operates with a Tachsyn Processor interface and supports three-phase input.
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Product Description:
The SC104-001-T3 is a brushless servo controller from Pacific Scientific in the SC100 Brushless Servo Controllers series. It rectifies three-phase mains power, regulates a DC link, and drives a matched permanent-magnet motor through pulse-width modulation. A built-in Tachsyn processor handles velocity feedback, so the unit can execute precise speed or position loops in packaging lines, pick-and-place modules, and other industrial motion axes. It also serves as the interface between higher-level PLC commands and the motor windings.
At rated output, the controller sustains a DC bus of 320 VDC from a three-phase 230 VAC line with a tolerance of +10% and -15%. The power stage delivers a continuous phase current of 20 A, corresponding to 6 kW of mechanical power while maintaining efficiency above 95 %. Allowed line frequencies span 47 to 63 Hz, making the unit suitable for common industrial power systems. A 30 W shunt regulator diverts regenerated energy, and the T3 option reads a 2 V/Krpm tach gradient for closed-loop speed stabilization. These operating values support steady torque production without excessive heat or DC-bus overvoltage during constant-duty operation.
For short transients, the inverter can source a peak phase current of 60 A and deliver 17 kW for up to five seconds before returning to continuous limits. Rapid deceleration is absorbed by the dynamic brake, which accepts 15 kW for 300 ms. Carrier modulation runs at 5 kHz, minimizing current ripple and acoustic noise. With only 130 W of internal dissipation, forced-air cooling is sufficient to maintain components within the specified ambient span of 0 °C to 50 °C. The controller tolerates storage temperatures down to -55 °C, allowing equipment to be shipped or warehoused without auxiliary heaters while preserving full performance after re-energization.
Frequently Asked Questions about SC104-001-T3:
Q: What is the bus voltage supplied to the SC104-001-T3 servo controller?
A: The SC104-001-T3 operates with a nominal bus voltage of 320 VDC.
Q: What is the continuous output power of the SC104-001-T3 at stall?
A: This servo controller is capable of delivering a continuous output power of 6 kW during stall conditions.
Q: What input voltage and phase does the SC104-001-T3 controller require?
A: The SC104-001-T3 supports 3-phase input voltage at 230 VAC, with a tolerance of +10% to -15%.
Q: What is the peak output current of the SC104-001-T3 and for how long can it be sustained?
A: A peak output current of 60 A can be delivered by the SC104-001-T3 for up to 5 seconds.
Q: What type of interface and tachometer gradient does the SC104-001-T3 provide?
A: The SC104-001-T3 features a Tachsyn Processor interface with a tachometer gradient of 2.0 V/Krpm.
