Instruction Manual

Troubleshooting 7-7
20-COMM-D DeviceNet Adapter User Manual
Publication 20COMM-UM002G-EN-P
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:
Table 7.B Adapter Events
Code Event Description
1 No Event Empty event queue entry.
2 DPI Bus Off Flt A bus-off condition was detected on DPI. This event may be caused by loose or broken cables or by noise.
3 Ping Time Flt A ping message was not received on DPI within the specified time.
4 Port ID Flt The adapter is not connected to a correct port on a DPI product.
5 Port Change Flt The DPI port changed after start up.
6 Host Sent Reset The drive sent a reset event message.
7 EEPROM Sum Flt The EEPROM in the adapter is corrupt.
8 Online @ 125kbps The adapter detected that the drive is communicating at 125 kbps.
9 Online @ 500kbps The adapter detected that the drive is communicating at 500 kbps.
10 Bad Host Flt The adapter was connected to an incompatible product.
11 Dup Port Flt Another peripheral with the same port number is already in use.
12 Type 0 Login The adapter has logged in for Type 0 control.
13 Type 0 Time Flt The adapter has not received a Type 0 status message within the specified time.
14 DL Login The adapter has logged into a Datalink.
15 DL Reject Flt The drive rejected an attempt to log in to a Datalink because the Datalink is not supported or is used by another
peripheral.
16 DL Time Flt The adapter has not received a Datalink message within the specified time.
17 Control Disabled The adapter has sent a ‘Soft Control Disable’ command to the drive.
18 Control Enabled The adapter has sent a ‘Soft Control Enable’ command to the drive.
19 PCCC IO Time Flt The adapter has not received a PCCC Control message for longer than the PCCC Control Timeout.
20 Normal Startup The adapter successfully started up.
21 Message Timeout A Client-Server message sent by the adapter was not completed within 1 sec.
22 DPI Fault Msg The drive has faulted.
23 DN Poll Timeout A Polled I/O connection has timed out.
24 DN IO Too Long Reconfigure the I/O length in the scanner.
25 Bad IO Fragment A DeviceNet I/O fragment was received out of sequence. Possible line noise problem.
26 Idle IO Message The DeviceNet scanner was placed in program mode.
27 Peer IO Timeout The adapter has not received a Peer I/O message within the specified timeout interval.
28 DPI Fault Clear The drive issued this because a fault was cleared.
29 DN COS Timeout A Change of State (COS) I/O connection has timed out.
30 DN Poll Allocate A Polled I/O connection has been allocated.
31 DN COS Allocate A Change of State (COS) I/O connection has been allocated.
32 DN Poll Closed A Polled I/O connection has was explicitly closed.
33 DN COS Closed A Change of State (COS) I/O connection was explicitly closed.
34 Flt Cfg Error One of the Flt Cfg xx parameters is set to a value greater than 65535 and the drive requires a 16-bit value.
35 DN Dup MAC Flt The adapter has detected another node on DeviceNet using the same node address that it is using.
36 Manual Reset The adapter was reset by changing its Reset Module parameter.