EE Product News

Small, Lightweight Encoders Fit Into Tight Spots

Simplifying the integration of linear encoders into micro-stages, linear motors/actuators/guides, wire/die bonders, pick-and-place equipment, photolithography equipment, and other size-sensitive applications, RGH24/25 readheads are capable of speeds up to 5 m/s with resolution up to 0.1 micron. RGH24 weighs 12 grams and has dimensions of 36 x 13.5 x 14.8 mm with on-board interpolation electronics. The even smaller RGH25 readhead with separate interpolation electronics weighs 9 grams with dimensions of 36 x 13.5 x 10.5 mm. A signal condition monitoring circuit drives an integral two-color LED and an alarm signal for remote monitoring at the control-the LED aids quick installation with visual confirmation of optimum scale alignment while the alarm signal alerts the control of low signal amplitude to eliminate the danger of unrecognized encoder count loss.

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