Diagnostics and maintenance
4.3 Diagnostics via the display of the S7-1500 CPUs
PROFINET with STEP 7 V15
98 Function Manual, 12/2017, A5E03444486-AH
To show the module status, navigate on the display through the menu items "Module" >
"PROFINET I/O (X1)" > "Station" > "Slot" > "Status" > "Module status".
The module status indicates that a fault has occurred in the module. The "lower-level status"
is the status of the module in the diagnostics level below this. In the example, the status is
"good", i.e., the fault is not in the lower diagnostics level submodule or channel, but instead
in the module.
Figure 4-9 Display of module status
You can show diagnostics buffer entries and alarm messages for the relevant automation
system on the display.
To show the diagnostics buffer entries of the CPU, navigate on the display via the menu
items "Diagnostics" > "Diagnostics buffer".
Figure 4-10 Display of diagnostics buffer
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