Fn 25: preset: setting a new datum, Fn25:preset set datum during program run, 10 .8 a d ditional f unctions – HEIDENHAIN TNC 426 (280 476) User Manual
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10 Programming: Q Parameters
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.8 A
d
ditional F
unctions
The following conditions are permitted in the FN 20 block:
Example: Stop program run until the PLC sets marker 4095 to 1
FN 25: PRESET: Setting a new datum
With the function FN 25: PRESET, it is possible to set a new datum in
an axis of choice during program run.
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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.
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To select the additional functions, press the DIVERSE FUNCTIONS
soft key.
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Select FN25: Switch the soft-key row to the second level, press the
FN25 DATUM SET soft key
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Axis?:
Enter the axis where you wish to set the new datum and
confirm with ENT
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Value to be calculated?:
Enter the coordinate for the new datum
point in the active coordinate system
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New datum?:
Enter the value that the new datum point will have in
the new coordinate system
Condition
Abbreviation
Equals
==
Less than
<
Greater than
>
Less than or equal
<=
Greater than or equal
>=
32 FN20: WAIT FOR M4095==1
This function can only be programmed if you have entered
the code number 555343, see “Code Number,” page 421.