1216 HEIDENHAIN Technical Manual iTNC 530 HSCI
Sorted machining
of block elements
The DIN/ISO editor of the iTNC 530 does not automatically sort block
elements. This means that the block elements TOOL CALL and S in DIN/ISO
blocks are machined at the location they were programmed at. If in NC
programs (such as from a postprocessor) these block elements are not
programmed until the end of the block, then they won't be machined until the
end of the block.
Set MP7682 bit 7 for the block elements TOOL CALL and S in DIN/ISO
blocks to automatically be machined at the beginning of the block. The
display of the block elements does not change.
MP7682 Machine parameter with multiple function
Input: Bit 7 – Block elements TOOL CALL and S in DIN/ISO blocks
0: Machine as programmed
1: Machine at beginning of block (block display does not
change)
Behavior during
program
interruption
If an NC program is interrupted and subsequently an axis is moved, then
before continuing the NC program the RESTORE POSITION function must be
executed in order to return the axes to the positions current after the last
processed NC block. This function is automatically activated by the TNC.
Set MP7680 bit 13 so that the RESTORE POSITION function will not be
activated automatically.
If the spindle is stopped by an NC stop and an internal stop, and does not
restart automatically with the NC start, you can force a mid-program startup:
Set MP7680 bit 14 to permit an NC start only with mid-program startup or a
GOTO command
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