HEIDENHAIN TNC 620 User Manual page 572

16
Test Run and Program Run
16.5 Program 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
To select a return to contour, press the RESTORE POSITION soft
key
Restore the machine status, if required
To move the axes in the sequence that the TNC suggests on the
screen: Press the NC START key; or
To move the axes in any sequence: Press the X, Z etc. soft keys
and activate with the NC START key in each case
Resume operation: Press the NC START key
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HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2015