In Fanuc CNC systems, Parameter 1860 acts as the machine's memory for when using absolute pulse coders (APC). Unlike incremental encoders, which must hit a "limit switch" or "dog" every time the machine starts up, absolute encoders always know their position.
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These indicate that the absolute position data has been lost. In Fanuc CNC systems, Parameter 1860 acts as
It typically uses modular arithmetic, meaning the value "wraps around" based on the encoder's pulses per revolution. In Fanuc CNC systems