SC905AN-001-01 Pacific Scientific
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The Pacific Scientific SC905AN-001-01 is part of the SC900 Servo Drives series and features an analog or incremental digital command interface with no built-in communications. This standard unit delivers a continuous output current of 30.0 amps and a continuous output power of 9.0 kW at 240V with forced air cooling. It offers a peak output current of 60.0 amps and achieves power stage efficiency of 97%.
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Product Description:
The SC905AN-001-01 is a servo drive manufactured by Pacific Scientific for the SC900 Servo Drives series. It conditions line power, measures feedback, and issues pulse-width-modulated phases to a connected brushless motor, giving closed-loop control over torque, speed, and position. In industrial automation systems, the unit sits between a motion controller and the actuator, supplying regulated current so axes in packaging, material handling, or assembly cells meet commanded profiles with repeatable accuracy.
Under a 240 V three-phase supply with 50 °C forced-air cooling, the drive delivers a continuous armature current of 30.0 A, producing a sustained mechanical output of 9.0 kW. For acceleration bursts, it supports a peak current of 60.0 A and a momentary power ceiling of 18.0 kW. These margins let the unit energize low-inertia and higher-torque motors while keeping the IGBT bridge within safe limits. Conversion losses are held down by a 97% power-stage efficiency, reducing cabinet heat. The standard firmware and base servo software close the current and velocity loops and provide fault diagnostics. With no native fieldbus, setup and monitoring occur through the local analog or incremental digital channels.
Motor choice is bounded by the drive’s inductance window; windings up to 0.5 H line-to-line are acceptable, and at least 0.5 mH is required for stable current regulation. Thermal management depends on a convection-cooled chassis with no internal fan, so clearance must permit vertical airflow along the heatsink. Command signals arrive through analog or incremental digital inputs that support ±10 V velocity control or quadrature step-and-direction. As a standard unit in the SC900 family, the drive carries universal mounting slots and a factory protective earth bus to simplify installation.
Frequently Asked Questions about SC905AN-001-01:
Q: What command interface options does the SC905AN-001-01 servo drive offer?
A: The SC905AN-001-01 supports both analog and incremental digital command interfaces for flexible connectivity.
Q: What is the continuous output current rating for the SC905AN-001-01?
A: This model delivers a continuous output current of 30.0 A when operated at 50°C with forced air cooling.
Q: What is the peak output power of the SC905AN-001-01 at 240 VAC?
A: The SC905AN-001-01 reaches a peak output power of 18.0 kW at 240 VAC, allowing for powerful short-term motor control.
Q: How is the SC905AN-001-01 servo drive cooled?
A: This servo drive operates via natural convection cooling and does not include a fan.
Q: What is the power stage efficiency of the SC905AN-001-01 servo drive?
A: The SC905AN-001-01 achieves a power stage efficiency of 97%, ensuring minimal energy loss during operation.
