APEM
Group: APEM

Contactless inductive joystick
9000 series APEM

The 9000 Series is ideal for those applications that demand proportional control with the lowest possible profile below the panel. Developed from the proven 7000 Series, the 9000 Series employs the same, highly proven, contactless, inductive sensing and circuitry. The mechanics have been radically improved to reduce the below-panel depth to a world class 35mm sub-panel or 31mm drop-through. This joystick offers self-centering, omni-directional functionality, and utilises the exclusive 'locking cam' system to rigidly secure the highly repeatable mechanism around the precision ground steel operating shaft. High precision air wound coils are mounted directly onto the SMT circuitry, delivering enviable accuracy whilst further minimising the installed depth of the joystick.

CIRCUITRY
The 9000 Series joystick operates by passing a oscillating current through a drive coil, directly mounted at the lower end of the operating lever, and immediately above the four sensing coils. When the shaft and drive coil moves away from the centre, the signals detected in each opposing pair of coils increase nominally in proportion to deflection. The phase of those signals determine the direction. Synchronous electronic switches followed by integrating amplifiers provide DC signals directly equivalent to those of potentiometer joysticks, but with fixed output impedance and free of wiper noise
and track wear.