Siemens SINUMERIK 840D sl Operating Manual page 718

Ladder Viewer and Ladder add-on (828D only)
21.7 Displaying information on the program blocks
Change colors for displaying of progress or program status
In progress status, different colors are used to display information.
Display
Signal flow of power rail, when status active
Signal flow in the networks
All operations that are active and that are executed without
error (corresponds to signal flow)
Status of the Boolean operations (corresponds to signal
flow)
Times and counters active
Error during execution
No signal flow
No network executed
STOP mode
Note
Colored display in program status
In the display of the program status only the color of the signal flow is relevant.
Enlarging/reducing the display of the ladder diagram
Procedure
...
718
1. Press the "Zoom +" softkey to enlarge the section of the ladder
diagram.
After enlarging, the "Zoom -" softkey is available.
2. Press the "Zoom -" softkey to reduce the section of the ladder diagram
again.
1. Ladder add-on tool is opened.
2. Press the "Window 1" or "Window 2" softkey.
Color
Blue
Blue
Blue
Blue
Green
Red
Gray
Gray
Gray
Operating Manual, 03/2013, 6FC5398-7CP40-3BA1
Milling