Siemens SINUMERIK 840D Operating Manual page 329

Contour element
Straight line in any direction
Arc right
Arc left
Pole
Finish contour
The different colors of the symbols indicate their status:
Foreground
Black
Black
Black
Red
Graphical display
The progress of contour programming is shown in broken-line graphics while the contour
elements are being entered.
When the contour element has been created, it can be displayed in different line styles and
colors:
● Black: Programmed contour
● Orange: Current contour element
● Green dashed: Alternative element
● Blue dotted: Partially defined element
The scaling of the coordinate system is adjusted automatically to match the complete
contour.
The position of the coordinate system is displayed in the graphics window.
Milling
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
Programming technological functions (cycles)
Symbol Meaning
Straight line with any gradient
Circle
Circle
Straight diagonal or circle in
polar coordinates
END End of contour definition
Background Meaning
Blue Cursor on new element
Orange Cursor on current element
White Normal element
White Element not currently evaluated
(element will only be evaluated
when it is selected with the
cursor)
8.3 Contour milling
329