SC753A-001-01 Pacific Scientific
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The Pacific Scientific SC753A-001-01 is a programmable digital position servocontroller from the SC750 Servo Drives series, with a continuous current of 7.5 Amps and peak current of 15 Amps. It is cooled by natural convection, uses resolver feedback, and has a peak power output of 4500 Watts. The controller features 24K of user memory, weighs 7.26 kg, and recommends a 3 KVA transformer rating.
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Product Description:
The SC753A-001-01 is a compact servo controller produced by Pacific Scientific within the SC750 Servo Drives series. Acting as a programmable digital position controller, it supplies regulated phase current to matched servomotors so axes in pick-and-place arms, index tables, or web guides can reach commanded positions without external position loops. By embedding motion control with onboard processing, it lets machine builders shorten control cabinets and reduce coordination latency in industrial automation lines. This arrangement keeps command execution local to the drive and supports repeatable point-to-point motion on compact automated equipment. It is suited to applications that need local motion logic rather than a separate position-control card.
The drive delivers a continuous output of 7.5 A and can surge to 15 A for short acceleration intervals, giving headroom for inertia-laden loads during rapid speed changes. Peak mechanical output reaches 4,500 watts, while internal power devices dissipate no more than 77 watts as heat under rated conditions. All heat is removed by natural convection, so the unit operates without a fan and avoids added moving parts in the cooling path. These electrical and thermal values affect transformer sizing, cabinet ventilation, and allowable motor torque during operation. The current reserve also helps the controller handle repeated start-stop duty cycles in indexing and positioning applications.
A resolver provides primary feedback, and its absolute position accuracy is enhanced to 22 arcmin for closed-loop positioning without a separate encoder. Programming is performed in PacSci ServoBASIC Plus, with motion sequences stored in 24K of nonvolatile memory for standalone operation. Stored programs can run directly in the controller, which suits simple automated sequences and repeatable motion steps. Pacific Scientific recommends a supply transformer rated at 3 kVA to keep bus voltage within tolerance during peak draw. The standard-unit build includes conformal-coated electronics and a steel chassis that weighs 7.26 kg, supporting installation on DIN rails or bulkheads. The coated control section helps the drive tolerate dust and airborne contamination inside industrial enclosures.
Frequently Asked Questions about SC753A-001-01:
Q: What is the continuous current rating for the SC753A-001-01 servo drive?
A: The SC753A-001-01 servo drive supports a continuous current rating of 7.5 A.
Q: What type of feedback does the SC753A-001-01 utilize?
A: Resolver feedback is used for motion control on this model.
Q: Which programming language is supported by the SC753A-001-01 servo drive?
A: This unit is programmed using PacSci ServoBASIC Plus language.
Q: What is the peak power output of the SC753A-001-01 servo drive?
A: Maximum peak power output for the SC753A-001-01 is 4500 Watts.
Q: What cooling type does the SC753A-001-01 servo drive feature?
A: Natural convection is the cooling method used for this drive.
