Siemens SINUMERIK 802D Programming And Operating Manual page 364

PLC diagnostics
13.2 Operating options
Use the "Status list" softkey to display and modify PLC signals.
Figure 13-4
Using the "Window 1 ..." and "Window 2 ..." softkeys you can display any logical and
graphical information of a program block. The program block is one of the components of the
PLC user program.
The program block can be selected in the "Program list" using the "Open" softkey. The name
of the program block will be displayed on the softkey (for "..." e.g. "Window 1 SBR16").
The logics in the ladder diagram (LAD) display the following:
● Networks with program parts and current paths
● Electrical current flow through a number of logical operations
364
Status list
Figure 13-5 Window 1, OB1
Programming and Operating Manual, 07/2009, 6FC5398-4CP10-2BA0
Cylindrical grinding