SC755A-001-01 Pacific Scientific
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The Pacific Scientific SC755A-001-01 is a servocontroller from the SC750 Servo Drives series and weighs 18.16 kilograms. This programmable digital position controller features resolver feedback, operates with continuous current of 30 Amps, and can deliver peak power output up to 18,000 Watts. It uses natural convection and built-in fans for cooling.
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Product Description:
The SC755A-001-01 servo controller is manufactured by Pacific Scientific as part of the SC750 Servo Drives series. Designed for industrial automation, this programmable digital position controller converts motion profiles from upstream equipment into precise motor phase currents and serves as the core axis regulator in multi-axis pick-and-place, palletizing, and assembly cells. By combining trajectory calculation with real-time current loops, the unit enables tight position, speed, and torque control on brushless servo motors used for repeatable, high-throughput production. This makes it suitable for synchronized indexing, point-to-point moves, and other positioning tasks in automated machinery.
As a standard unit, the drive delivers a continuous output of 30 A, which is the sustained phase current available for steady-state moves without thermal derating. For accelerations or shock loads, it can reach a peak current of 60 A for limited durations, giving additional torque headroom. Correspondingly, the power stage is capable of 18,000 watts of peak mechanical output while its internal components shed up to 300 watts as heat during worst-case electrical switching. A 5 to 7.5 kVA isolation transformer is recommended so the DC bus remains stable when several axes start simultaneously and line voltage sags are present.
Cooling relies on natural convection and built-in fans to move air across the heat sink, keeping junction temperatures within safe limits during repeated high-current events. Position feedback is processed through a resolver feedback interface, providing rotor angle data with good noise immunity at servo update rates. Application code is written in PacSci ServoBASIC Plus and stored in 24K of nonvolatile user memory, allowing stand-alone execution of motion sequences without a supervisory computer. This local storage also allows axis logic to remain in the drive for independent operation. With a mass of 18.16 kg, the enclosure mounts securely in control cabinets without additional structural bracing.
Frequently Asked Questions about SC755A-001-01:
Q: What is the continuous current capacity of the SC755A-001-01 servo drive?
A: The SC755A-001-01 supports a continuous current rating of 30 A for sustained operation.
Q: What type of feedback does the SC755A-001-01 use for position detection?
A: This model features resolver feedback for precise position detection and control.
Q: How is the SC755A-001-01 servo drive cooled during operation?
A: The SC755A-001-01 is cooled by natural convection and built-in fans for optimal thermal management.
Q: What is the peak current output provided by the SC755A-001-01?
A: This drive can deliver a peak current of 60 A for demanding motion applications.
Q: Which programming language is used with the SC755A-001-01 servo drive?
A: The SC755A-001-01 is programmed using the PacSci ServoBASIC Plus language.
