PI Introduces Three-Channel Motion Controller

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.

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