14-11
14 Troubleshooting
NJ-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
14-2 Troubleshooting
14
14-2-1 Error Table
34270000 hex Tag Name
Resolution
Error
Resolution of a tag
used in a tag data
link failed.
• The size of the network-pub-
lished variable is different from
the tag settings.
• The I/O direction set for a tag
data link and the I/O direction of
the Controller variable do not
match.
• There are no network-published
variables for the Controller tag
settings.
• A variable in the Controller that
is set for a tag data link has the
Network Publish attribute set to
Input but also has the Constant
attribute.
√ page 14-26
84030000 hex DNS Server
Connection
Error
Connection with the
DNS server failed.
• Parameter error
• Server is down.
• An error occurred in the com-
munications path.
√ page 14-27
84040000 hex NTP Server
Connection
Error
Connection with the
NTP server failed.
• Parameter error
• Server is down.
• An error occurred in the com-
munications path.
√ page 14-27
84070000 hex Tag Data Link
Connection
Failed
Establishing a tag
data link connection
failed.
• The tag data link connection
information is not the same for
the originator and target.
• Insufficient connections
√ page 14-28
84080000 hex Tag Data Link
Timeout
A timeout occurred
in a tag data link.
• The power supply to the target
node is OFF.
• Communications with the target
node stop.
• The Ethernet cable for Ether-
Net/IP is disconnected.
• The Ethernet cable for Ether-
Net/IP is broken.
• Noise
√ page 14-29
54E00000 hex Variable
Access Error
Accessing a tag
variable that is used
in a tag data link
failed.
• An out-of-range value was writ-
ten by an EtherNet/IP tag data
link for a variable that specifies
SUBRANGE.
√ page 14-29
84050000 hex Packet Dis-
carded Due
to Full
Reception
Buffer
A packet was dis-
carded.
• A network convergence
occurred.
√ page 14-30
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
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