HEIDENHAIN TNC 426 (280 476) Pilot - Manual (Page 78)

79
Cycles
for
Coordinate
Transformations
DATUM SETTING (247)
CYCL DEF: Select Cycle 247 DATUM SETTING
Datum number: Enter the number from the active datum table
containing the REF coordinates of the datum to be set.
Reset
You can reactivate the datum that was last set in the Manual operating
mode by entering the miscellaneous function M104.
• If required, activate the desired datum table with the NC
block SEL TABLE.
• The TNC sets the datum only in the axes that are active in
the datum table.
• Cycle 247 always interprets the values saved in the datum
tables as coordinates relative to the machine datum.
Machine parameter 7475 has no influence.