Technical data

Diagnostics
23.2 Diagnostics Symbols in the Online View
Programming with STEP 7
480 Manual, 05/2010, A5E02789666-01
Diagnostics Symbol for Forcing
Symbol Mode
Variables are being forced on this module, meaning variables
in the user program for the module are assigned fixed values
that cannot be changed by the program.
The symbol for forcing can also appear in combination with
other symbols (here with the symbol for RUN mode).
Diagnostics Symbols for Maintenance Information (Example CPU)
Symbol Meaning
Maintenance required
Maintenance demanded
Diagnostic Symbol for Deactivating (Example DP slave or PROFINET IO device)
Icon Meaning
This DP slave or this PROFINET IO device was deactivated
by SFC12.
Updating the Display of Diagnostic Symbols
The appropriate window must be activated.
• Press F5 or
• Select the menu command View > Update in the window.