Diagnostics and maintenance
4.3 Diagnostics via the display of the S7-1500 CPUs
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Function Manual, 05/2021, A5E03444486-AL
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4.3
Diagnostics via the display of the S7-1500 CPUs
Display
The S7-1500 CPU has a display and operating keys. The display of the CPU shows you the
control and status information in different menus. You use operating keys to navigate
through the menus and make a variety of settings in the process.
Diagnostics via the display
The following indicators can be evaluated for diagnostics purposes on the display:
•
Error and alarm texts (system diagnostics, alarm messages)
•
Module status for central and distributed modules
In the following example of a display of the CPU 1516-3 PN/DP, you can see a warning on the
diagnostics icon and an exclamation mark on the icon for module.
Figure 4-4
Display of overview
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