Rockwell Automation 20-COMM-M Modbus/TCP Adapter - Manual (Page 59)

Troubleshooting 5-7
20-COMM-M Modbus/TCP Adapter User Manual
Publication 20COMM-UM014C-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 5.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 Reserved Not used.
18 Control Disabled The adapter has sent a “Soft Control Disable” command to the drive.
19 Control Enabled The adapter has sent a “Soft Control Enable” command to the drive.
20 Message Timeout A Client-Server message sent by the adapter was not completed within 1 sec.
21 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.
22 App Updated Startup sequence detected new application firmware.
23 EN Comm Flt The adapter detected a communications fault on the network.
24 EN Sent Reset The adapter received a reset from the network.
25 EN Close Flt An I/O connection from the network to the adapter was closed.
26 EN Idle Flt The adapter is receiving “idle” packets from the network.
27 EN Open An I/O connection from the network to the adapter has been opened.
28 EN Timeout Flt An I/O connection from the network to the adapter has timed out.
29 PCCC IO Close The device sending PCCC Control messages to the adapter has set the PCCC Control Timeout to zero.
30 PCCC IO Open The adapter has begun receiving PCCC control messages (the PCCC Control Timeout was previously set to a
non-zero value).
31 PCCC IO Time Flt The adapter has not received a PCCC Control message for longer than the PCCC Control Timeout.
32 Watchdog T/O Flt The software detects a failure.
33 EEPROM Init Startup sequence detected a blank EEPROM map revision.
34 Normal Startup The adapter successfully started up.
35 Manual Reset The adapter was reset by changing its Reset Module parameter.
36 EN Link Down The Ethernet link was removed from the adapter.
37 EN Link Up An Ethernet link is available for the adapter.
38 BOOTP Response The adapter received a response to its BOOTP request.
39 Dup IP Addr The adapter uses the same IP address as another device on the network.
40-41 Reserved Not used.
42 Email Failed The adapter encountered an error attempting to send a requested e-mail message.
43-48 Reserved Not used.