Siemens SINUMERIK 840D sl Operating Manual page 252

Programming a cycle
4.8 Contour milling
Symbolic representation
The individual contour elements are represented by symbols adjacent to the graphics
window. They appear in the order in which they were entered.
Contour element
Starting point
Straight line up
Straight line down
Straight line left
Straight line right
Straight line in any direction
Arc right
Arc left
Pole
Finish contour
The different colors of the symbols indicate their status:
Foreground
-
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.
252
Symbol Meaning
Starting point of the contour
Straight line in 90° grid
Straight line in 90° grid
Straight line in 90° grid
Straight line in 90° grid
Straight line with any gradient
Circle
Circle
Straight diagonal or circle in
polar coordinates
END End of contour definition
Background Meaning
Red Cursor on new element
Red Cursor on current element
White Normal element
White Element not currently evaluated
(element will only be evaluated
when it is selected with the
cursor)
Operating Manual, 01/2008, 6FC5398-7AP10-0BA0
HMI sl Turning