Servo Motion Controllers offer full closed-loop control.

Press Release Summary:

Model PCI-8253, 3-axis, and PCI-8256, 6-axis DSP-based servo motion controllers provide ±10 V analog motion control, PID plus feed-forward algorithm, and 20 MHz encoder input frequency. Units feature high-speed position comparison and trigger output speed of up to 1 MHz. They include motion functions such as multiple dimension interpolation and high-speed position comparison. Integrated point table supports over 5,000 points for each axis, suitable for contouring applications.

Original Press Release:

ADLINK Announces Advanced DSP-Based Servo Motion Controllers

The PCI-8253 and PCI-8256 provide fully closed-loop control with high accuracy and fast response time for AOI, gantry, and contouring applications

October 27, 2009, San Jose, Calif - ADLINK Technology Inc., a leading global provider of measurement and automation products, announced the release of their most advanced DSP-based servo motion controllers, the PCI-8253 (three axes) and PCI-8256 (six axes). Based on over ten years of experience in developing PC-based motion controllers, ADLINK designed the PCI-8253/8256 to take full advantage of the latest digital signal processing technologies to provide a ±10 V analog motion controller with full closed-loop control, a PID plus feed-forward algorithm, and 20 MHz encoder input frequency. The PCI-8253/8256 not only provide general motion control functions, but also support comprehensive and application-specific functions ideal for automated optical inspection (AOI), gantry, and manufacturing machine applications, as well as complete compatibility with all the top third-party servo drivers in the market.

By incorporating a digital signal processor (DSP), the PCI-8253/8256 are able to 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. Therefore, application-specific functions can be custom develop for customers.

By incorporating FPGA technology, the PCI-8253 and PCI-8256 provide higher motion control performance by a fast encoder input frequency up to 20 MHz. In addition, the hardware-based high-speed position comparison and trigger output speed of up to 1 MHz further make the PCI-8253/8256 ideal for AOI applications. The PCI-8253 and PCI-8256 also offer a point table that supports over 5,000 points for each axis, ideal for contouring applications.

"Customers will greatly benefit from gantry control with dynamic error compensation, as the real-time feature of the DSP and the control loop provides superior control of large stage movement in TFT/LCD, PCB, and machine tool industries," stated Ethan Huang, Senior Product Director at ADLINK. "The PCI-8253 and PCI-8256 also offer basic G-code support which make these controllers ideal for machine tool and manufacturing machine applications."

Setup and deployment of the PCI- 8253/8256 are greatly simplified through ADLINK's MotionCreatorPro 2, a user-friendly Windows-based application development software package. Axis servo gains (PID plus feed-forward gain) and be easily tuned through this tool, which greatly reduces the amount of effort spent on gain tuning. A sampling window also provides a real-time display of the motion data enabling simpler integration of axis parameters, PID gain, and other on-the-fly changes. For more information, please visit

Pricing and Availability

The PCI-8253 and PCI-8256 are currently available for a list price of $1,329 and $2,129, respectively.


ADLINK Technology ( provides a wide range of embedded computing products and services to the test & measurement, automation & process control, gaming, communications, medical, network security, and transportation industries. ADLINK products include PCI Express®-based data acquisition and I/O; vision and motion control; and AdvancedTCA, CompactPCI, and Computer-on-Modules (COMs) for industrial computing. With the acquisition of Ampro Computers, Inc., ADLINK also provides a wide range of Extreme Rugged and Rugged Single Board Computers, Computer-on-Modules and Systems under the brand name Ampro by ADLINK. ADLINK strives to minimize the total cost of ownership (TCO) of its customers by providing customization and system integration services, maintaining low manufacturing costs, and extending the lifecycle of its products. ADLINK is a global company with headquarters and manufacturing in Taiwan; R&D and integration in Taiwan, China, and the US; and an extensive network of worldwide sales and support offices.

ADLINK is ISO-9001, ISO-14001, and TL9000 certified, is an Associate Member of the Intel® Embedded and Communications Alliance, an Executive Member of PICMG, and a Sponsor Member of the PXI Systems Alliance. ADLINK is a publicly traded company listed on the TAIEX Taiwan Stock Exchange (stock code: 6166).

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