SC105-001-T2 Pacific Scientific
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The Pacific Scientific SC105-001-T2 is a brushless servo controller with a nominal bus voltage of 320 VDC and an input voltage of 230 VAC, supporting 3 phases at 47 to 63 Hz. As part of the SC100 Brushless Servo Controllers series, it provides a continuous output current of 40 Amps and a peak output current of 60 Amps for 5 seconds. This standard controller operates at an efficiency above 95 percent and functions reliably in temperatures from 0°C to 50°C.
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Product Description:
The SC105-001-T2 is a brushless servo controller from Pacific Scientific that fits within the SC100 Brushless Servo Controllers series. This unit closes the current and velocity loops for permanent-magnet servomotors used on indexing tables, pick-and-place axes, and coordinated gantries. By issuing precisely timed gate signals to its IGBT bridge, it translates command references from a host motion controller into controlled torque, providing the foundation for repeatable motion sequences in automated manufacturing cells.
The controller draws power from a three-phase input of 230 VAC (+10%, -15%) at 47–63 Hz and rectifies it to a regulated bus of 320 VDC. With that supply, it supports continuous stall delivery of 40 A, equivalent to 9 kW of mechanical output, while maintaining an efficiency above 95%. A forced-air heat sink limits temperature rise, and only 205 W is dissipated at full rating. Regenerative energy is clamped by a shunt network sized for 60 W during steady operation, preserving the DC link against overvoltage. The unit uses standard controller customization, accepts velocity feedback through a Tachsyn processor interface, and requires three input phases for balanced line loading.
High-demand moves are handled by a peak current of 60 A for five seconds and a corresponding burst power of 17 kW. Surges reflected from decelerating loads are absorbed because the shunt regulator can momentarily dissipate 15 kW for 300 ms. Power devices are pulse-width modulated at 5 kHz, providing smooth motor torque without excessive switching loss. Full performance is guaranteed from 0 °C to 50 °C, and the drive remains serviceable after storage between −55 °C and 70 °C without damage. A tachometer gradient of 1.0 V/krpm aligns with standard feedback transducers, allowing velocity scaling without external calibration.
Frequently Asked Questions about SC105-001-T2:
Q: What is the nominal bus voltage supported by the SC105-001-T2 controller?
A: The SC105-001-T2 operates with a nominal bus voltage of 320 VDC.
Q: What is the continuous output current rating for the SC105-001-T2?
A: This controller can supply a continuous output current of 40 A at stall.
Q: What is the maximum peak output power for the SC105-001-T2?
A: The peak output power is rated at 17 kW for durations up to 5 seconds.
Q: What is the efficiency of the SC105-001-T2 brushless servo controller?
A: This model operates with a high efficiency greater than 95%.
Q: What is the allowable operating temperature range for the SC105-001-T2?
A: Full rated operation is supported in ambient temperatures from 0°C to 50°C.
