SC753B-001-01 Pacific Scientific
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The Pacific Scientific SC753B-001-01 is a servocontroller in the SC750 Servo Drives series and functions as a programmable digital position controller. It operates with a continuous current of 7.5 A and a peak current of 15 A, supporting resolver feedback. The unit uses natural convection cooling and offers a peak power output of 4500 Watts with a max power dissipation of 77 Watts.
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Product Description:
Pacific Scientific produced the SC753B-001-01 as part of its SC750 Servo Drives series. This unit functions as a programmable digital position controller, delivering closed-loop motion commands to matched motors in material-handling, packaging, and assembly systems. Its digital control architecture supports repeatable starts, stops, and position changes during automated motion tasks. Within the product code, the B hardware level and 01 control revision identify the build configuration, and the unit is intended for panel installation where normal cabinet airflow is available.
The drive supplies a continuous output of 7.5 A, giving steady current for mid-frame servo motors, and it can deliver up to 15 A during short accelerations or brief load disturbances. That peak current supports a maximum instantaneous shaft demand of 4500 Watts before the current regulator limits the stage. Internally, switching elements and control logic release up to 77 Watts of heat, so the chassis relies on natural convection and needs unobstructed vertical air movement in the enclosure. A 3 kVA isolation transformer is recommended to support inrush demand and protect the power stage.
Motion feedback is handled through a resolver feedback interface that excites the transducer, demodulates the return signals, and tracks rotor position for closed-loop control. Resolver sensing is well suited to electrically noisy industrial environments because the analog return signals remain stable during speed changes. Application logic is written in PacSci ServoBASIC Plus, allowing position loops, calculated profiles, and discrete I/O handling to execute directly in the controller’s 24K of nonvolatile user memory, so programs, data arrays, and diagnostic buffers must share that space. When fully equipped with its terminal blocks and baseplate, the drive weighs 7.26 kg, which should be considered when mounting it on a panel or support structure.
Frequently Asked Questions about SC753B-001-01:
Q: What is the continuous current rating for the SC753B-001-01 servo drive?
A: The SC753B-001-01 drive can provide a continuous current of 7.5 A for sustained operations.
Q: What type of controller is integrated in the SC753B-001-01 servo drive?
A: This servo drive uses a programmable digital position controller for precise motion management.
Q: How is the SC753B-001-01 servo drive cooled?
A: Cooling for the SC753B-001-01 is handled by natural convection, requiring no external fans.
Q: What type of feedback does the SC753B-001-01 servo drive utilize?
A: The SC753B-001-01 uses resolver feedback for position measurement and control.
Q: Which programming language is supported by the SC753B-001-01 servo drive?
A: Programming is done using PacSci ServoBASIC Plus, allowing custom control logic.
