SC104-001-T2 Pacific Scientific
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The Pacific Scientific SC104-001-T2 is part of the SC100 Brushless Servo Controllers series and is designed as a standard brushless servo controller. It delivers a continuous output current of 20 Amps with output power up to 6 kW and operates at a nominal bus voltage of 320 VDC. The unit features a Tachsyn Processor interface and functions at 230 VAC input voltage across three phases with an efficiency above 95%.
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Product Description:
The SC104-001-T2 is a brushless servo controller built by Pacific Scientific within the SC100 Brushless Servo Controllers series. The unit converts three-phase mains power into a regulated DC bus and a pulse-width-modulated output that drives permanent-magnet servo motors in automated machinery. In industrial motion systems, it supports controlled torque, velocity, and position loops for axes that require repeatable dynamic response and stable regulation during changing load conditions.
During continuous operation, the controller maintains a nominal bus of 320 VDC from a 230 VAC line with a tolerance of +10% and -15%, and it operates within an input frequency range of 47–63 Hz. At stall, it can deliver a continuous phase current of 20 A, which corresponds to a continuous mechanical output of 6 kW to the connected motor. The switching devices operate at a carrier frequency of 5 kHz, which helps limit current ripple, while the Tachsyn Processor interface closes the velocity loop through an external tachometer with a gradient of 1.0 V/Krpm. Heat dissipation under full load is 130 W, and a 30 W shunt regulator continuously bleeds excess bus energy. All continuous ratings apply across an ambient temperature range of 0 °C to 50 °C, and the unit is supplied as the standard controller version in this product line.
In transient conditions, the servo controller supports a peak output of 60 A for up to five seconds, enabling short bursts of mechanical output as high as 17 kW. The internal dynamic braking network can absorb a momentary 15 kW for 300 ms, which helps protect the DC bus when a driven axis decelerates quickly or returns energy to the drive. Conversion efficiency remains above 95 %, so most of the incoming energy reaches the motor instead of the heat sink. The unit can be stored between -55 °C and 70 °C without performance degradation, and its input topology supports straightforward power distribution in multi-axis cabinets.
Frequently Asked Questions about SC104-001-T2:
Q: What is the bus voltage required for the SC104-001-T2 controller?
A: The SC104-001-T2 operates with a nominal bus voltage of 320 VDC.
Q: What is the peak output current capability of the SC104-001-T2 servo controller?
A: This controller supports a peak output current of 60 A for up to 5 seconds.
Q: How much continuous output power does the SC104-001-T2 provide at stall?
A: The SC104-001-T2 delivers continuous output power at stall up to 6 kW.
Q: What is the operational efficiency of the Pacific Scientific SC104-001-T2?
A: It achieves an efficiency greater than 95% during operation.
Q: What type of interface does the SC104-001-T2 utilize?
A: The controller uses a Tachsyn Processor as its interface type.