What happens?
The controller's WebConfig can no longer be reached. The Internet browser reports a timeout.
Other IP-based communication still works, e.g. via ping, PLC Designer or EASY Starter.
When does this behaviour occur?
The behaviour may occur after restarting the controller if the settings for several users (parameters C108 - C169) were changed at the same time and saved fail-safe.
Which products are affected?
c300 controller from V3.12
p300 panel controller from V3.12
Short-term measures:
Delete the following files from the controller's SD card:
Management.db
ValueTables.db
When the controller is restarted the next time, the two files will be restored with the standard values. The IPC parameters such as e.g. the set IP address are thus reset.
Evaluation/recommendations:
Always only change the settings and save them fail-safe for one user. Restart the controller after having changed the settings and saved them fail-safe for one user.
