HEIDENHAIN TNC 128 (77184x-02) - Manual (Page 290)

Manual operation and setup
11.4 Datum setting without a 3-D touch probe
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TNC 128 | User's Manual HEIDENHAIN Conversational Programming | 5/2014
Function Soft key
Directly enter the new datum without
calculation of the kinematics (axis-specific).
Only use this function if your machine has a
rotary table, and you want to set the datum
to the center of the rotary table by entering
0. This function only saves the datum in the
axis which is currently highlighted. Enter the
desired value in the pop-up window. If inch
display is active: Enter the value in inches, and
the TNC will internally convert the entered
values to mm
Write the currently active datum to a
selectable line in the table: This function saves
the datum in all axes, and then activates the
appropriate row in the table automatically. If
inch display is active: Enter the value in inches,
and the TNC will internally convert the entered
values to mm