ADLINK Technology PCI-8136 Manual do Utilizador descarregar pdf (Página 9)

Closed-loop Control with PID plus Feed Forward Gain

Full closed-loop control with high accuracy and fast response time

for AOI/gantry/contouring applications

PCI-8254/8258

PCI-8253/8256

IT Machinery

Manufacturing

Machinery

Laser Machinery

The PCI-8254/8258/8253/8256 adopt fully closed-loop control with PID

filter plus feed forward gain to realize high-speed and high-precise motion

control capacity. Feed forward gain can reduce speed profiles following

errors for faster rising times.

Akff: Acceleration feed forward Gain

Vkff: Velocity feed forward Gain

Command

Position

Feedback

Load

Position

PID

compensation

Load

System

ADLINK has recently released their most advanced DSP-based servo motion controllers, the PCI-8254 (four axes), PCI-8258 (eight axes), PCI-8253 (three axes) and PCI-8256 (six axes).

Based on over ten years of experience developing PC-based motion controllers, ADLINK has designed the PCI-8254/8258/8253/8256 to take full advantage of the latest digital signal

processing technologies to provide hybrid pulse and analog command motion controllers with full-closed loop control and PID plus feed-forward and 20 MHz encoder input frequency.

The PCI-8254/8258/8253/8256 not only provide general motion control, but also support comprehensive and application-specific functions ideal for semiconductor, TFT-LCD, LED,

laser engraving, electronic assembly and test industry application, in particular for automated optical inspection (AOI), chip bonding and sorting, dispensing, and manufacturing

machine application, featuring complete compatibility with all commonly used third-party servo drivers.

By incorporating a digital signal processor (DSP), the PCI-8254/8258/8253/8256 provide

advanced, flexible, and comprehensive motion functions that cannot be achieved through

ASIC-based solutions. Such functions include multiple dimension interpolation and

high-speed position comparison. All motion profile algorithms are developed by ADLINK

and implemented on the DSP, allowing application-specific functions to be custom-

developed for customers.

By incorporating FPGA technology, the PCI-8254/8258/8253/8256 provide higher

motion control performance by a fast encoder input frequency up to 20 MHz. Control

signals run at both ±10 V speed and pulse-train positioning commands implemented

with full closed-loop and open-loop design. The PCI-8254/8258/8253/8256 also feature

program download function allowing execution of up to 8 tasks simultaneously, and offer

a point table supporting over 5,000 points for each axis. The hardware-based high speed

position comparison and trigger output speed of up to 1 MHz further make the

PCI-8254/8258/8253/8256 ideal for AOI applications. The PWM function also

effortlessly supports customer-developed laser cutting applications.

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www.adlinktech.com

Advanced DSP-based Servo

Motion Controller

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