Optical encoder turns to low-cost applications

The Grayhill 62P is a new optical encoder that competes on price with mechanical-contacting encoders.

The Grayhill 62P is a new optical encoder that competes on price with mechanical-contacting encoders.

It is available direct through EAO.

This compact encoder features an integral shaft-activated pushbutton and offers 16 positions, with detented or smooth rotation.

The actuation force can be varied for both the detent and pushbutton, so the 'feel' of the encoder can be customised to individual applications.

The integral pushbutton makes the 62P particularly well suited to scroll-and-enter data input applications including GPS navigation systems, 'white goods', test and measurement equipment, medical devices and industrial controls.

The low-profile 62P has a 16.4 x 16.7mm cross-section and a behind-panel depth of just 5.6mm.

The robust construction means it will operate through two million cycles within a thermal range of -40 to +85C.

The 62P has a 2bit quadrature coded output.

It is available with snap-in PCB termination.

In many user interface applications, rotary optical encoders provide the most versatile and economical means to obtain feedback signals for position and speed control.

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