HEIDENHAIN iTNC 530 (34049x-08) ISO programming - Manual (Page 465)

HEIDENHAIN iTNC 530 465
14.1 S
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The TNC is now ready for operation in the Manual Operation mode.
If your machine is equipped with absolute encoders, you
can leave out crossing the reference marks. In such a
case, the TNC is ready for operation immediately after the
machine control voltage is switched on.
If your machine is equipped with incremental encoders,
you can activate traverse range monitoring even before
reference mark traverse by pressing the SW LIMIT
MONITORING soft key. Your machine tool builder can
provide this function axis-specifically. Remember that by
pressing the soft key, traverse range monitoring is not
necessarily active in all axes. The machine tool manual
provides further information.
Ensure that you have referenced all axes before you start
program run. Otherwise the TNC will stop machining as
soon as it gets to an NC block with an axis that has not
been referenced.
The reference points need only be crossed if the machine
axes are to be moved. If you intend only to edit or test
programs, you can select the Programming and Editing or
Test Run modes of operation immediately after switching
on the control voltage.
You can then traverse the reference points later by
pressing the PASS OVER REFERENCE soft key in the
Manual Operation mode..