SC101-001-M Pacific Scientific
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The Pacific Scientific SC101-001-M is a brushless servo controller from the SC100 Brushless Servo Controllers series. It operates at a nominal bus voltage of 320 VDC and supports an input voltage of 230 VAC on a single phase. The controller provides a continuous output current of 7.5 Amps at 1.5 kW and an efficiency greater than 95%.
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Product Description:
The SC101-001-M servo controller is built by Pacific Scientific for the SC100 Brushless Servo Controllers series. As a drive module, it converts single-phase utility power into controlled three-phase output so that brushless motors follow speed or position commands in automated conveyors, gantries, and similar machinery. The unit supplies gated currents, monitors motor feedback, and uses a shunt regulator to keep the internal DC bus within safe limits during regenerative events. It therefore handles both motor drive duties and regenerative energy management within the same control package.
Its internal capacitor bank maintains a nominal bus of 320 VDC. From this rail, the output stage can provide a continuous stall current of 7.5 A and supports motors up to 1.5 kW. Regenerated energy is diverted to a resistor that dissipates 30 W on a continuous basis, while overall conversion efficiency stays above 95% to help reduce cabinet heating. Losses at full load are limited to 60 W. The controller accepts a single-phase supply and operates across an input frequency range of 47 to 63 Hz. Full ratings apply from 0 °C to 50 °C, and the electronics tolerate storage temperatures from −55 °C to 70 °C while the unit is not operating.
When the axis demands short bursts, the inverter can source 15 A for five seconds, yielding as much as 4 kW of peak mechanical output. The shunt path can simultaneously absorb 8 kW for 300 ms to clamp any rise in bus voltage during deceleration. Line power enters through a single-phase feed rated at 230 VAC (+10%, -15%), so the controller can run from typical factory mains without a separate step-down stage. Pulse-width modulation is performed at 5 kHz, a switching rate that balances current ripple with transistor losses. This operating profile suits applications with frequent starts, stops, and short acceleration periods.
Frequently Asked Questions about SC101-001-M:
Q: What is the bus voltage required by the SC101-001-M controller?
A: The SC101-001-M operates at a nominal bus voltage of 320 VDC.
Q: What is the continuous output current capability of the SC101-001-M?
A: This servo controller provides a continuous output current (stall) of 7.5 A.
Q: What is the peak output power supported by the SC101-001-M?
A: The SC101-001-M delivers a peak output power of 4 kW for up to 5 seconds.
Q: What input voltage range does the SC101-001-M support?
A: It accepts an input voltage of 230 VAC with a tolerance of +10% to -15%.
Q: What is the efficiency rating of the SC101-001-M servo controller?
A: The controller achieves an efficiency greater than 95%.
