Pacific Scientific's full range of brushless servo drives

Pacific Scientific's full range of brushless servo drives

Overall positioning of the product

This document is the selection manual for Pacific Scientific's brushless servo drive system, aimed at high-precision industrial motion control, providing a complete solution for drivers and motors, covering low/high voltage, low/high power, single/multi axis scenarios.

Comparison of Parameters for the Four Major Drive Series

Series power supply peak current continuous power core characteristics

PC3400 AC90-253V/DC18-74V 5-40A 0.21-6.8kW AC/DC dual versions, ToolPAC， Space Vector Algorithm

PC800 AC90-264V 5.3-21.2A 1.1-3.0kW reduces volume by 40% and supports SERCOS

SC900 AC90-264V 5.3-42.4A 0.85-18kW standard type, DSP three ring control

SCE900 AC180-528V 5.3-33.7A 2.1-15kW High Voltage Global Edition, CE Certified

Core control technology

DRDC digital rotary conversion

24 bit resolution, 0.0013 arc minute accuracy

Strong anti-interference ability, suitable for harsh industrial environments

Signature current control

Match motor back electromotive force, torque ripple ≤± 2%

Smooth operation at all speed ranges

Full digital three loop control

Current loop with a bandwidth of 1.5kHz, updated to 62.5 μ s

Speed loop * *>400Hz * *, position loop * *>100Hz**

Full parameter software settings, no potentiometer drift

Interface and optional function cards

standard interface

Simulation instruction: ± 10V differential

Pulse command: up to 800kHz

Simulation encoder output: 128-16384PPR

Optional expansion card

OC930: RS232/485 communication

OC940: ERCOS Fiber Optic Bus

OC950: Single axis programmable, supports Modbus/DF1

Supporting servo motor series

Motor series flange specification continuous torque protection/structure

PMA 55-190mm 0.21-48.5Nm Universal High Power

PMB NEMA17/23/34 0.22–1.40Nm IP40， cost-effective

S small two models 0.5-6.6Nm small volume high torque

System performance and selection data

The manual provides a complete motor+driver matching table, covering:

48V DC, 240V AC, 400V AC, 480V AC four level busbar

Peak torque 0.48-104Nm, continuous torque 0.22-54Nm

Rated speed 600-10000rpm, suitable for different working conditions

Protection, authentication, and attachments

protection function

Phase to phase/ground short circuit, overvoltage, undervoltage, over temperature

I ² t current limiting, feedback loss, and over tolerance protection

certification

CE（EMC+LVD）、UL508C、cUL

Standard Appendix

Connecting cables, braking resistors, filtering components, terminal kits

Debugging software: ToolPAC, 930WIN, 950IDE

Typical application scenarios

Semiconductor equipment, electronic assembly

Packaging machinery, flying saw/cutting

Robots, XY platform

Material conveying, special machine tools