Setting and determining system diagnostics
4.2 Options for displaying system diagnostics
Diagnostics
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4. Click .
5. Select the area "Diagnostics buffer".
Figure 4-15 Diagnostics buffer in STEP 7
Note
Filtering events
You can filter the entries in the diagnostics buffer in the settings of the "Diagnostics
buffer" area to only display specific types of events. This means that specific events, such
as "CPU and configuration
-internal events" or "Connection diagnostics events", can be
The following security events (event types) result in an entry in the diagnostics buffer.
● Going online with the correct or incorrect password
● Manipulated communications data detected
● Manipulated data detected on memory card
● Manipulated firmware update file detected
● Changed protection level (access protection) downloaded to the CPU
● Password legitimization restricted or enabled (by instruction or CPU display)
● Online access denied due to the possible number of simultaneous access attempts being
exceeded
● Timeout when an existing online connection is inactive
● Logging on to the Web server with the correct or incorrect password
● Creating a backup of the CPU
● Restoring the CPU configuration (Restore)
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