Product Description:

The PC834-XYZ-N servo drive is produced by Pacific Scientific within the PC800 – PCE800 Brushless Servo Drives series. It accepts three-phase utility power and delivers tightly regulated phase currents so brushless motors follow velocity, torque, or position commands issued by the plant controller. Integrated signal processing allows direct execution of indexed moves, step-and-direction pulses, analog velocity loops, or serial messages, making the unit a compact motion element for automated assembly, material handling, and packaging lines where precise axis coordination is required.

The drive’s multiplexed command port supports RS-232/485 serial strings as well as ±10 V analog, step-and-direction signals, and internal indexing tables, giving flexible control options. During continuous operation, it delivers 7.1 ARMS to the motor, and that current corresponds to a shaft power rating of 3.0 kW when fed from a 240 VAC three-phase source. Inside the converter, that input is rectified to a nominal bus of 320 VDC, and the output H-bridge switches at an effective ripple frequency of 16 kHz to minimize audible noise and torque ripple. A three-phase motor connection is provided, and the enclosure mass of 2.6 kg eases placement on light gantry panels.

Protective features center on a field-replaceable 30 A 250 V Slo-Blo fuse that isolates the drive from upstream faults. For high-demand moves, the amplifier can source a peak current of 21.2 ARMS, which translates to a momentary mechanical power ceiling of 9.0 kW. Startups impose an inrush of 300 A lasting 2.0 ms, so contactors and breakers must be selected to account for that pulse. The aluminum housing measures 198.1 mm in height, 114 mm in width, and 158 mm in depth, allowing close-coupled mounting in 200 mm deep cabinets while still leaving airflow space around neighboring automation components.