13-39
13 Troubleshooting
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
13-5 Event Logs
13
13-5-3 Error Descriptions
Event name Verification Error Event code 34A80000 hex
Meaning The information registered for a target node in the tag data link parameters is different from the actual node informa-
tion.
Source PLC Function Module Source details CJ-series Unit Detection
timing
After link is
established
Error attributes Level Minor fault Recovery Automatic recov-
ery
Log category System
Effects User program Continues. Operation Reconnection processing is periodically repeated for the
target.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
The specified target does not exist. If the power supply for nodes with reg-
istered connections is not ON, turn
ON the power supply. Correct the
cable if it is disconnected or loose.
Implement noise countermeasures if
there is excessive noise.
Check that the power supply for con-
nection nodes is turned ON. Connect
the cable securely. Implement noise
countermeasures if there is excessive
noise.
Variable names do not match. Correct the data link parameters or
change the connection nodes so that
the data link parameters match the
actual node information.
Make the settings so that the data link
parameters match the actual node
information.
The connection size is incorrect.
Insufficient connection resources Reduce the number of class-3 mes-
sages that are being used.
Reduce the number of data links and
class-3 messages that are used.
Attached
information
None
Precautions/
Remarks
Identify the target node in the detailed information of the error history.
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