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Balluff releases absolute feedback systems for drives

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article image The new absolute encoder disk can be integrated easily into motors and actuators

Balluff presents the BML series of rugged, precise and quick absolute position and angle measurement systems, ideal for installation or direct integration into drive and positioning systems.

Featuring Permagnet nonius technology, the new, magnetically encoded absolute position and angle measurement systems close a gap in the segment of compact, integrative, absolute measurement systems with IP 67 housing for external installation. As an open kit for full integration, they can also be optionally used in rotary applications. Using these systems, the formats, strokes and end positions of axes can be adjusted automatically, quickly and reliably.

Since the new absolute encoder disk can be integrated easily into motors and actuators as a highly precise, absolute feedback solution, it offers an efficient alternative to conventional magnetic or optical solutions for accurate control of motors and drives. Measuring just 12-20mm in length and 30mm in diameter, it meets the low space requirement for rotary applications.

Key features of the new BML series include fully integrated, single-chip solution at the core of the magnetic scanning and signal generation process; position data generated in real time and made available in absolute form using interfaces typical in drive engineering, SSI or bidirectional BiSS C; and incremental SIN/COS analogue signals and ABZ signals also available for use.

The new evaluation kit from Balluff includes a perpendicularly magnetised Permagnet absolute angle measurement system with high system accuracy. Just like the encoder kit, it offers a variety of serial (absolute) and incremental interfaces for connection to many different closed-loop systems. The system is also easy to use; once adapted to the drive, system tests can be run to derive a customised and optimised solution using the BiSS-USB adapter and provided evaluation software.

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