Transducer cuts cost of linear positioning

The Micropulse BIW uses all-new, patented, pulsed-inductive technology to provide superior performance and reliability with a noncontact design that allows drop-in-fit replacement pots.

Balluff's patented new Micropulse BIW transducer is a first in linear positioning technology - offering superior noncontact positioning accuracy in a form factor matching a linear pot, with a price that's comparable.

The Micropulse BIW uses all-new, patented, pulsed-inductive technology to provide superior performance and reliability with a noncontact design that allows drop-in-fit replacement pots.

The BIW's wear-free, noncontact design completely eliminates performance degradation over time, the principal cause of downtime and loss of accuracy in pots.

The new design is ideal for any application were old-style linear pots are used, such as plastic injection moulding machines, blow moulding machines, stamping presses, woodworking machinery and hydraulic motion bases - anywhere linear motion must be monitored and/or controlled.

"Wear-prone linear pots have been trouble spots in terms of reliability, accuracy and performances", says Balluff's Product Specialist Adrian Sorsby.

"Their popularity is driven by simplicity and low cost".

"Wear-free, noncontact transducers have been available for linear position feedback, but higher cost and different form factor have impeded widespread adoption".

"The BIW solves these problems by providing clearly superior performance, drop-in mechanical compatibility, and a price comparable to resistive linear pots".

"It's a breakthrough new product that will solve many application problems".

The Micropulse BIW is available with an analogue 0 to 10V or -10 to +10V output.

It has a super-fast 20kHz update rate, nonlinearity or +/-0.02%, and resolution down to 5um.

It is immune to external EMI and available in stroke lengths from 75 to 750mm.

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