In planar motion cases that the movement along X and Y axis is coupled, the sensor has to move in a large distance along Y axis when scanning Xaxis movement. The capacitive principle can meet this requirement although optical and magnetic sensing technology fail.
Thanks to the special pseudo random number coding technology, it offers a globally unique product that can give absolute position data in planar motion scenario. For such case, state-of-the-art works incremental only.
The mechanical arrangement is similar to that of the linear CAPLIN, only with different scale shape。
For capacitive linear encoder products, both sensor and scales can be active, which differs from that of optical and magnetic linear ones.
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