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Viewing and Clearing Events
The adapter has an event queue to record significant events that occur in
the operation of the adapter. When such an event occurs, an entry is put
into the event queue. You can view the event queue using a PowerFlex
4-Class HIM, DriveExplorer software (version 3.01 or later), or
DriveExecutive software (version 3.01 or later).
Figure 5.2 DriveExplorer Event View/Clear Screen
The event queue can contain up to 32 entries. Eventually the event queue
will become full, since its contents are retained through adapter resets.
At that point, a new entry replaces the oldest entry. Only an event queue
clear operation or adapter power cycle will clear the event queue
contents.
Resetting the adapter to defaults has no effect on the event queue.
Many events in the event queue occur under normal operation. If you
encounter unexpected communications problems, the events may help
you or Allen-Bradley personnel troubleshoot the problem. The following
events may appear in the event queue.
Table 5.B Adapter Events
Code Event
0
No Event
1
Normal Startup
2
Manual Reset
3
Watchdog T/O Flt The software watchdog detected a failure and reset the adapter.
4
App Updated
5
Boot Updated
6
EEPROM Sum
Flt
Description
Adapter Events
Text displayed in an empty event queue entry.
Power is applied to the adapter.
The adapter was reset from the "Reset Module" parameter.
The application firmware has been flash updated.
The boot firmware has been flash updated.
The EEPROM checksum/CRC is incorrect. The functionality of
the adapter will be limited. Default parameter values must be
loaded to clear this condition.
Troubleshooting
5-5
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