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Physik Instrumente (PI) has introduced the E-725 three-channel motion controller, which is suitable for applications such as tracking or atomic force microscopy.

According to the company, the performance of precision positioning systems equally depends on their mechanical systems and on the way they are controlled.

Thanks to digital technology, users have access via software to numerous parameters that optimise the settling time and linearity or compensate for system inertia during fast scans.

Among other performance features, the E-725 is said to optimise the dynamic positioning of specimen in the X, Y and Z directions for applications such as tracking or atomic force microscopy.

The E-725 uses modern interfaces such as USB and Ethernet.

There are a number of software drivers available to support its integration as a subsystem in existing structures.

The E-725 is described as a powerful 32-bit processor that ensures a servo rate of 20kHz.

The position signal has a 24-bit resolution.

Digital inputs and outputs offer direct trigger signals from and to the devices in the system environment.

Optionally, the individual axes can be controlled via analogue inputs.

In addition, the ID chip feature makes it possible to directly operate the nanopositioning system without prior adjustment at the factory.

Physik Instrumente

PI is a global manufacturer of high precision positioning systems and products based on piezo technology. Used in markets as diverse as biotechnology, semiconductor, defence and astronomy, PI’s products work to improve the speed and precision of many cutting edge processes. Actuators, sensors and positioning systems with either sub-micron or nanometre level precision; many customised for the end user, are included in the product range.

With manufacturing and subsidiary offices around the world and a workforce of more than 500 PI provides direct local support where it is needed. Products range from component level piezo ceramic assemblies to six axis hexapod positioning robots. PI manufactures its own piezo ceramic material including multilayer devices that incorporate its patented ceramic insulation technology. Lead free ceramic technology is now also included in the company’s product range. With the flexibility and continuity of supply offered by having control of piezo ceramic production comes security and speed of delivery for customers who rely on or are looking to move into this area of technology. PI’s piezo ultrasonic and step drive motor technologies offer unique performance including self-locking capability, high force or high speed and non-magnetic and vacuum compatibility.

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