SC943T200101 Pacific Scientific
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The Pacific Scientific SC943T200101 belongs to the SC900 Servo Drives series. It supports SERCOS communications and control with a continuous output current of 7.5 Amps and peak output current of 15.0 Amps. The servo drive is fan cooled and achieves up to 4.5 kW peak output power with a power stage efficiency of 96%.
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Product Description:
The SC943T200101 is a servo drive module built by Pacific Scientific and supplied as part of the SC900 Servo Drives series. Designed to regulate torque, velocity, and position of compatible servo motors, the unit forms the bridge between motion controllers and three-phase brushless motors in automated machinery. By converting low-level command data into high-current, high-voltage motor phases, it maintains precise axis movement for packaging lines, pick-and-place stations, and other industrial motion segments. Its role is to translate commanded motion profiles into regulated motor output so the connected axis can start, stop, and track position smoothly.
For control interoperability, the drive employs SERCOS Communications & Control, allowing fiber-optic, real-time exchange of setpoints and status with multi-axis controllers. Under natural convection at 25 °C, it can deliver a continuous armature current of 7.5 A, translating to a sustained mechanical output of 2.2 kW when powered from a 240 V three-phase source. During rapid indexing or load surges, the current envelope expands to 15.0 A peak, and the power stage can momentarily supply 4.5 kW to overcome inertia or friction without exceeding thermal limits. These values align the drive with mid-frame rotary servomotors whose phase inductances and thermal curves match the SC900 tuning range.
Thermal management relies on a 240 Vac fan-cooled assembly that maintains semiconductor junction temperatures while preserving a power conversion efficiency of 96%, which reduces cabinet heat load and line-side power draw. The power stage accepts motors exhibiting phase-to-phase inductances up to 2 H yet remains stable with windings as low as 2.0 mH, allowing use with both low- and high-inductance machines. This inductance range broadens motor compatibility in systems that use different winding styles across separate axes. Stable thermal control also helps the drive maintain consistent electrical performance during extended motion cycles.
Frequently Asked Questions about SC943T200101:
Q: What command interface does the SC943T200101 servo drive use?
A: SERCOS communications and control is used as the command interface for the SC943T200101.
Q: What is the continuous output current rating for the SC943T200101 servo drive?
A: The SC943T200101 provides a continuous output current of 7.5 A when cooled by convection at 25°C.
Q: How much continuous output power can the SC943T200101 provide?
A: This servo drive delivers up to 2.2 kW of continuous output power at 240V three-phase and 25°C under convection cooling.
Q: What type of cooling does the SC943T200101 servo drive use?
A: The SC943T200101 is cooled by a 240 Vac fan, enhancing its operating efficiency and thermal management.
Q: What is the power stage efficiency of the SC943T200101 servo drive?
A: This drive has a power stage efficiency of 96%, allowing most of the input energy to be converted to output power.
