HEIDENHAIN ND 930 - Manual (Page 14)

14
Z
ENT
0
Datum Setting
If you want datum points to be stored in nonvolatile memory,
you must first cross over the reference marks.
Note that the correct value to be entered for the datum in the
X axis depends on whether you have selected radius or
diameter display.
You can set one absolute workpiece datum and data for up to 99 tools
(i.e., relative datums).
Setting the absolute workpiece datum
When you enter a new value for the absolute workpiece datum, all tool
data are then based on the new workpiece datum.
Touch the workpiece with the tool.
Select the axis, for example Z.
DATUM Z =
Enter the position of the tool tip (for example,
0 mm) and confirm with ENT.
Enter further axes in the same manner.
Datum Setting
Z
Z=0