HEIDENHAIN TNC 620 (81760x-02) ISO programming - Manual (Page 258)

Programming: Data transfer from CAD files
7.3 DXF converter (option 42)
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TNC 620 | User's ManualDIN/ISO Programming | 2/2015
Selecting a reference point on a single element
Select the mode for specifying the reference point
Click the desired element with the mouse: The
TNC indicates possible locations for reference
points on the selected element with stars
Click the star you want to select as reference
point: The TNC sets the datum symbol at the
selected place. Use the zoom function if the
selected element is too small.
Selecting a reference point on the intersection of two elements
Select the mode for specifying the reference point
Click the first element (straight line, complete
circle or circular arc) with the left mouse button.
The TNC indicates possible locations for reference
points on the selected element with stars. The
element is color-highlighted
Click the second element (straight line, complete
circle or circular arc) with the left mouse button.
The TNC sets the reference-point symbol on the
intersection
The TNC calculates the intersection of two elements
even if it is on the extension of one of these
elements.
If the TNC calculates multiple intersections, it selects
the intersection nearest the mouse-click on the
second element.
If the TNC cannot calculate an intersection, it
rescinds the marking of the element.
If a datum is set, the color of the icon Set datum changes.
Delete a datum by clicking the icon .
Element information
The TNC shows how far the reference point you haven chosen is
located from the drawing datum.