Rockwell Automation 22-COMM-D DeviceNet Adapter User Manual

Page 101

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Troubleshooting

8-7

Events

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:

Code Event

Description

0

No Event

Text displayed in an empty event queue entry.

1

Host Sent Reset

The DSI product issued this because it was reset.

2

EEPROM Sum Flt

Startup sequence detected corrupt EEPROM storage.

3

Reserved

4

Control Disabled

Sets the PCCC to zero.

5

Control Enabled

Sets the PCCC timeout to non-zero and sends a PCCC
control command.

6

PCCC IO Time Flt

Control by a PCCC device has timed out.

7

Normal Startup

Signifies the first event after a reset or power cycle.

8

Reserved

9

DSI Fault Msg

DSI drive faulted.

10

DN Poll Timeout

DeviceNet did not send an I/O poll message in the required
time interval.

11

DN I/O Too Long

The length of the data from the I/O scanner was too long.

12

Bad I/O Fragment

An I/O fragment from the scanner arrived out of sequence.

13

Idle I/O Message

The DeviceNet scanner was placed in the program mode.

14

Reserved

15

DSI Fault Clear

A drive fault was cleared.

16

DN COS Timeout

I/O data from a DeviceNet COS connection has not been
received in the required interval.

17

DN Poll Allocate

The adapter was allocated for a DeviceNet polled I/O connection.

18

DN COS Allocate

The adapter was allocated for a DeviceNet COS I/O connection.

19

DN Poll Closed

The DeviceNet master has closed the previous opened
polled I/O connection.

20

DN COS Closed

The DeviceNet master has closed the previously opened
COS I/O connection.

21

DN Dup MAC Flt

The DeviceNet side of the adapter has failed the duplicate
MAC test.

22

Manual Reset

The adapter was reset from the “Reset Module” parameter.

23

Host Timeout

An explicit message to a Drive host has timed out waiting for
a response.

24

Slave Timeout

An explicit message to a Slave has timed out waiting for a
response.

25

Slave Detected

A DSI slave was detected on the /slave I/O line.

26

Slave Removed

A DSI slave was removed from the /slave I/O line.

27

Language CRC Bad The language flash segment is corrupt.

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