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Indexing Servo Motor Drive works with Rockwell Automation® PLCs.

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Indexing Servo Motor Drive works with Rockwell Automation® PLCs.
Indexing Servo Motor Drive works with Rockwell Automation® PLCs.
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May 30, 2013 - Optimized for pulse duty, indexing servo applications requiring up to 300% peak torque, dynamic response, and usability, Digitax ST-X has torque range of 6–382 lb-in. (1,147 lb-in. peak) with 230 V, 1Ø and 3Ø and 460 V 3Ø line voltage capabilities. Along with Add-On Instruction (AOI) block programming and built-in EtherNet/IP™, features include EMC filter, 14 types of encoder feedback, Safe Torque Off, 3–6 digital inputs, and 0–3 digital configurable digital outputs.

Emerson Introduces New Servo Drive Solution for Use with Rockwell® PLCS

(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

Emerson Process Management
9720 Old Katy Road
Houston, TX, 77055

Press release date: May 1, 2013

Control Techniques’ Digitax ST-X Technology Saves Money By Eliminating The Need For A Separate PLC Motion Controller And Providing A Free Web-Based Drive Configuration Tool And Free Add On Instruction Block (AOI) Files Used For Seamless Integration With RSLogix®.

MINNEAPOLIS, MN – Control Techniques, an Emerson Industrial Automation company, announces the release of its Digitax ST-X indexing servo motor drive with EtherNet/IP™, a new variant of the company’s popular Digitax ST series of pulse duty servo drives. Digitax STX is a competitively priced, high performance servo drive designed specifically for use with Rockwell Automation® PLCs. This compact yet powerful servo drive is optimized for pulse duty, indexing servo applications requiring high peak torque (up to 300% peak), dynamic response and ease of use. Digitax ST-X features Add-On Instruction (AOI) block programming for seamless integration with the RSLogix® 5000 software environment and built-in EtherNet/IP for high-speed drive access, global connectivity and flexible integration.

The Digitax ST-X features a torque range of 6 to 382lb-in (1,147lb-in peak) with 230V 1Ø and 3Ø and 460V 3Ø line voltage capabilities. Standard features on all Digitax ST variants include 14 types of encoder feedback, Safe Torque Off, 3-6 digital inputs and 0-3 digital configurable digital outputs and integrated EMC filter. Options include snap-in SM option modules for added I/O and extended feedback capabilities. Applications include indexing tables, fast conveyor positioning, cut-to-length machines, punch press and many others.

Every Digitax ST-X drive includes “EZx Config,” Control Techniques’ free, web-based drive configuration tool that eliminates the need for a motion processor in the PLC.* Using a web browser, users can directly access the drive’s onboard software by simply entering the drive’s Emerson Control Techniques Digitax ST-X Release, default IP address. The software uses Add-On Instruction block (AOI) programming for seamless integration with RSLogix 5000 software used to program Rockwell ControlLogix® or CompactLogix® PLCs. Configuration of other Digitax ST-X features is accomplished using AOIs which can be imported into the Rockwell RSLogix 5000 programming environment. Additional savings are realized through free, pre-defined AOIs and Data User Type files available for download on the Control Techniques website (

Pricing for Digitax ST-X 230V configurations starts under $600USD.

*EZx Config requires Microsoft® Silverlight®, a runtime environment used to create interactive Web and mobile applications.

About Control Techniques
Control Techniques, an Emerson Industrial Automation company, is a world leader in the design and production of electronic variable speed drives for the control of electric motors. The company’s strategy is to concentrate on delivering drives and servo products that enhance the productivity of its customers’ machines and processes. For more information, visit

About Emerson Industrial Automation
Emerson Industrial Automation, a business of Emerson, is a global technology provider that enables productivity, efficiency and quality gains for customers across a spectrum of industries. Its products include alternators, electric motors and drives, electrical distribution devices and mechanical power transmission, fluid automation and ultrasonic joining solutions. Emerson brands include Appleton, ASCO, Branson Ultrasonics, Browning, Control Techniques, Kop-Flex, Leroy-Somer, McGill, Morse, Numatics, O-Z/Gedney, Rollway, SealMaster, and System Plast. For more information, visit

About Emerson
Emerson (NYSE: EMR), based in St. Louis, Missouri (USA), is a global leader in bringing technology and engineering together to provide innovative solutions for customers in industrial, commercial, and consumer markets around the world. The company is comprised of five business segments: Process Management, Industrial Automation, Network Power, Climate Technologies, and Commercial & Residential Solutions. Sales in fiscal 2012 were $24.4 billion. For more information, visit

Rockwell, Rockwell Automation, RSLogix, ControlLogix and CompactLogix are registered and unregistered trademarks of Rockwell
Automation and others.

EtherNet/IP and DeviceNet are trademarks of the Open DeviceNet Vendor Association, Inc.
Microsoft and Silverlight are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other

All other trademarks are the property of their respective holders and are hereby acknowledged.
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