Siemens SINUMERIK 840D sl Operating Manual page 385

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
Black
Red
Graphic 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
Turning
Operating Manual, 05/2017, A5E40868721
Programming technology functions (cycles)
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 po‐
lar coordinates
END End of contour definition
Background Meaning
Blue Cursor on active 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 cur‐
sor)
10.3 Contour turning
385