Fn 25: Preset: Setting A New Datum - HEIDENHAIN ITNC 530 User Manual

FN 25: PRESET: Setting a new datum

This function can only be programmed if you have entered
the code number 555343 (see "Code Numbers" on page
611).
With the function FN 25: PRESET, it is possible to set a new datum in
an axis of choice during program run.
Select a Q parameter function: Press the Q key (in the numerical
keypad at right). The Q parameter functions are displayed in a soft-
key row.
To select the additional functions, press the DIVERSE FUNCTIONS
soft key.
Select FN25: Switch the soft-key row to the second level, press the
FN25 DATUM SET soft key.
Axis?: Enter the axis where you wish to set the new datum and
confirm with ENT.
Value to be calculated?: Enter the coordinate for the new datum
point in the active coordinate system.
New datum?: Enter the coordinate that the value to be converted
should have in the new coordinate system.
Example: Set a new datum at the current coordinate X+100
56 FN25: PRESET = X/+100/+0
Example: The current coordinate Z+50 will have the value –20 in
the new coordinate system
56 FN25: PRESET = Z/+50/-20
With the miscellaneous function M104 you can reactivate
the datum that was last set in the Manual Operation mode
(see "Activating the most recently entered datum: M104"
on page 264).
HEIDENHAIN iTNC 530 561