Advantech LNC M5800 Series Operation Manual page 63

Milling Machine Series
CNC operations

Press the 【Circle】 key to enter the circular workpiece coordinate system settings screen, press 【Coordinate
selection】 to enter the coordinate system you wish to set up, and then allow the measuring instrument to come
in contact with the workpiece in accordance with the drawing showing the center point of a circle. 【Set P1】
should be pressed after contacting P1, 【Set P2】 should be pressed after contacting P2, 【Set P3】 should be
pressed after contacting P3, and then the controller will automatically derive the center of a circular workpiece
based on the positions of these three points.
3. Instruction input (Set all, set X, set Y, set Z, ...)

It is for users to set up workpiece coordinates (non-square, non-circular).
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