HEIDENHAIN iTNC 530 (606 42x-02) ISO programming - Manual (Page 554)

554 Test Run and Program Run
16.4 Pr
ogr
am Run
Returning to the contour
With the RESTORE POSITION function, the TNC returns to the
workpiece contour in the following situations:
„ Return to the contour after the machine axes were moved during a
program interruption that was not performed with the INTERNAL
STOP function.
„ Return to the contour after a block scan with RESTORE POS AT N,
for example after an interruption with INTERNAL STOP.
„ Depending on the machine, if the position of an axis has changed
after the control loop has been opened during a program
interruption.
„ If an open-loop axis is also programmed in a positioning block (see
“Programming of noncontrolled axes (counter axes)” on page 548)
U To select a return to contour, press the RESTORE POSITION soft
key.
U Restore machine status, if required.
U To move the axes in the sequence that the TNC suggests on the
screen, press the NC Start button, or
U To move the axes in any sequence, press the soft keys RESTORE
X, RESTORE Z, etc., and activate each axis with the machine START
button.
U To resume machining, press the machine START button.