From Travel Command To Machine Movement; Path Calculation - Siemens SINUMERIK 840D sl Programming Manual

2.15.2

From travel command to machine movement

The relationship between the programmed axis movements (travel commands) and the
resulting machine movements is illustrated in the following figure:
2.15.3

Path calculation

The path calculation determines the distance to be traversed in a block, taking into account all
offsets and compensations.
In general:
Path =
setpoint - actual value + zero offset (ZO) + tool offset (TO)
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
Fundamentals
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