Omron NJ Series

12-53
12 Troubleshooting
NJ-series CPU Unit Software User’s Manual (W501)
12-2 Troubleshooting
12
12-2-4 Error Descriptions
Event name Packet Discarded Event code 80110000 hex
Meaning One or more packets were discarded.
Source PLC Function Module Source details None Detection
timing
At FINS message
reception
Error attributes Level Observation Recovery --- Log category System
Effects User program Continues. Operation Not affected.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
1. An attempt was made to send a
FINS response with over 2002
bytes.
Do not send a FINS response with
over 2002 bytes.
Set the FINS message at the source
correctly.
2. An attempt was made to route a
FINS response with over 2002
bytes.
3. Packet was received with a No
Such Unit routing error.
Check the FINS message at the
source and correct the unit number in
the response frame or a command
frame that does not require a
response.
4. Packet was received with a Rout-
ing Error routing error.
Check the FINS message at the
source and correct the unit number in
the response frame or a command
frame that does not require a
response to a unit number that is in
the routing table.
5. Packet was received with a Rout-
ing Table Not Registered routing
error.
Check the FINS message at the
source, and correct the routing table
include the network address of the
destination network.
6. Packet was received with an
Event Area Size Over Limit rout-
ing error.
Check the FINS message at the
source and correct the event area
size in the response frame or a com-
mand frame that does not require a
response so that it does not exceed
the limit.
7. There is insufficient space in the
internal buffer.
Reduce the frequency of sending
FINS messages at the source.
Keep the frequency of sending FINS
messages as low as possible.
8. FINS message routing failed
because the communications
load is too high.
Attached
information
Attached information 1: Cause of discarding packets
1: 01 hex, 2: 02 hex, 3: 03 hex, 4: 04 hex, 5: 05 hex, 6: 06 hex, 7: 07 hex, 8: 08 hex
The numbers refer to the numbers of the above causes.
Precautions/
Remarks
None
Event name Packet Discarded Event code 80120000 hex
Meaning One or more packets were discarded.
Source PLC Function Module Source details None Detection
timing
At FINS message
reception
Error attributes Level Observation Recovery --- Log category System
Effects User program Continues. Operation Not affected.
System-defined
variables
Variable Data type Name
None --- ---