Siemens SINUMERIK 840D sl Function Manual page 821

2.2.2 Position of coordinate systems and reference points
Control POWER ON
For incremental measuring probes, the reference point must be approached each time the
control is activated so that the control can transfer all position values to the coordinate
system.
Figure 2-8
Figure 2-9
Basic logic functions: Axes, coordinate systems, frames (K2)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Position of coordinate systems by machine zero M and workpiece zero W
Position of reference point in relation to machine zero
Detailed description
2.2 Zeros and reference points
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