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Product category: Electric Linear Actuators
News Release from: PI (Physik Instrumente) | Subject: E-755 Nexline motion controller
Edited by the Engineeringtalk Editorial Team on 05 June 2007

Controller gives actuators picometre
resolution

A new ultra-high-precision motion controller for Nexline linear motor actuators enables the combination of long travel ranges and picometre resolution.

A new ultra-high-precision motion controller for Nexline linear motor actuators enables the combination of long travel ranges and picometre resolution Nexline is a patented high-force ultra-high-precision linear motor actuator developed to bridge the gap between micro- and nanopositioning technology

The highly reliable all-ceramic Nexline drives have won a technology award from the semiconductor community and are ideally suited for static and dynamic high-precision positioning of high loads.

PI currently offers three standard Nexline actuators (N-110, N-214, N-215) for closed- and open-loop operation with maximum loads up to 60kg.

The new E-755 Nexline motion controller combines sophisticated control algorithms, high-end 32bit digital filters and output drivers with extremely low-noise, 24bit D/A convertors.

In closed-loop operation, outstanding linearity, within 0.001% over the full travel range, is achieved by polynomial linearisation.

Nexline controllers can be run in closed-loop and open-loop mode.

They provide an input for the nanometre precision incremental linear encoders that are integrated in standard Nexline actuators.

Thanks to its low-noise 24bit D/A convertors, the E-755 controllers can provide picometre level resolution in the highly dynamic short-range/dithering mode that the actuators support.

The E-755 controllers come with an extensive software package including LabView drivers for simple and flexible automation of nanopositioning tasks. Request a free brochure from PI (Physik Instrumente) ...

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