Rockwell Automation 25-COMM-D PowerFlex 525 DeviceNet Adapter User Manual
Page 89
![background image](/manuals/577523/89/background.png)
Rockwell Automation Publication 520COM-UM002A-EN-E - April 2013
89
Troubleshooting
Chapter 8
The event queue can contain up to 32 entries, which are stored in RAM—
making the event queue volatile, meaning a power cycle will clear the event queue.
If the event queue becomes full, a new entry replaces the oldest entry. Only a
power cycle, event queue clear operation, or the corruption of the RAM group
containing the event queue will clear the event queue contents.
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:
Adapter Events
Code
Event
Description
Adapter Events
1
No Event
Text displayed in an empty event queue entry.
2
Device Power Up
The adapter was powered up normally.
3
Device Reset
The adapter was commanded to reset from the network or DSI.
4
EEPROM CRC Error
The EEPROM checksum/CRC is incorrect. The functionality of the adapter will be
limited. Default parameter values must be loaded to clear this condition.
5
App Updated
The adapter application firmware was flash updated.
6
Boot Updated
The adapter boot firmware was flash updated.
7
Watchdog Timeout
The software watchdog detected a failure and reset the adapter.
DSI Events
10
DSI Detected
The adapter detected that the DSI device is connected.
11
DSI Removed
The adapter detected that the DSI device was disconnected.
12
DSI Logon
The adapter has established communications with the DSI device.
13
DSI Timeout
The adapter has lost communications with the DSI device.
14
DSI Brand Flt
The brand of the DSI device is different from the adapter.
15
Host 0 Logon
The adapter has established communications with host 0.
16
Host 1 Logon
The adapter has established communications with host 1.
17
Host 2 Logon
The adapter has established communications with host 2.
18
Host 3 Logon
The adapter has established communications with host 3.
19
Host 4 Logon
The adapter has established communications with host 4.
20
Host 0 Timeout
The adapter has lost communications with host 0.
21
Host 1 Timeout
The adapter has lost communications with host 1.
22
Host 2 Timeout
The adapter has lost communications with host 2.
23
Host 3 Timeout
The adapter has lost communications with host 3.
24
Host 4 Timeout
The adapter has lost communications with host 4.
25
Host 0 Brand Flt
The brand of host 0 is different from the adapter.
26
Host 1 Brand Flt
The brand of host 1 is different from the adapter.
27
Host 2 Brand Flt
The brand of host 2 is different from the adapter.
28
Host 3 Brand Flt
The brand of host 3 is different from the adapter.
29
Host 4 Brand Flt
The brand of host 4 is different from the adapter.
30
Manual Reset
The adapter was reset manually.
Network Events
40
Net Link Up
24V power was regained on DeviceNet. DeviceNet communication can be re-
established.
41
Net Link Down
24V power was lost on DeviceNet. DeviceNet communication is impossible.
42
Net Dup Address
The adapter uses the same IP address as another device on the network.
43
Net Comm Fault
The adapter detected a communications fault on the network and has performed the
“Comm Flt” action specified by the user.
44
Net Sent Reset
The adapter received a reset from the network.