HEIDENHAIN ITNC 530 - 6-2010 DIN-ISO PROGRAMMING User Manual page 469

Activating a datum from the preset table in the Manual Operation
mode
Danger of collision!
When activating a datum from the preset table, the TNC
resets the active datum shift.
However, a coordinate transformation that was
programmed in Cycle19 Tilted Working Plane, or through
the PLANE function, remains active.
If you activate a preset that does not contain values in all
coordinates, the last effective reference point remains
active in these axes.
Select the Manual Operation mode.
Display the preset table.
Select the datum number that you want to activate, or
With the GOTO key, select the datum number that
you want to activate. Confirm with the ENT key.
Activate the preset.
Confirm activation of the datum The TNC sets the
display and—if defined—the basic rotation.
Leave the preset table.
Activating the datum from the preset table in an NC program
To activate datums from the preset table during program run, use
Cycle 247. In Cycle 247 you define the number of the datum that you
want to activate (see User's Manual, Cycles, Cycle 247 SET DATUM).
HEIDENHAIN iTNC 530 469