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Piezo Driver

Photonics Spectra
Nov 2010
Newport CorporationRequest Info
 
Newport Corp. has introduced the XPS-DRVP1, an XPS-compatible driver card for the piezoelectric stack-based nanopositioning line of subnanometer resolution stages. It complements the other XPS driver cards designed to drive the traditional DC or stepper motor micropositioning products, allowing control of almost all of the company’s motion products with the XPS controller. Convenient to install, the driver eliminates the need for either an XPS pass-through card or an independent piezo-stack driver. It enables a wider variety of precision motion control positioning applications than was previously possible. The single-axis driver features 60-mA peak current and operates from —10 to 130 V, with an internal loop rate of 4 kHz. For added flexibility, it can drive both open- and closed-loop nanopositioning stages equipped with strain gage position sensors.


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GLOSSARY
stepper motor
A positioning drive that rotates a fraction of a 360° turn when the motor coils are activated, resulting in linear or rotary motion. They are generally one of two types, either variable reluctance or permanent magnet; the characteristics are much the same. Also called stepping motors.
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