Omron NX Series User Manual page 371

Event name Tag Data Link Connection Failed
Meaning Establishing a tag data link connection failed.
Source X Bus EtherNet/IP Function Mod-
ule
Error attributes Level
Effects User program
Indicators EtherNet/IP NET RUN
Flashes at 1-s intervals.
Device variable Variable
EIP_Comm1Status.TDLinkOpnErr
EIP_Comm2Status.TDLinkOpnErr
Cause and cor- Assumed cause
rection
The tag data link connection infor-
mation is not the same for the origi-
nator and target.
Insufficient connections
CIP message communications at
the target node are stopped.
Setting to use tag data link com-
munications was made to the NX-
series EtherNet/IP Unit that is in-
cluded in the CIP Safety connec-
tion settings.
The NX-series EtherNet/IP Unit
with tag data link communications
was added to the CIP Safety con-
nection settings.
Attached infor- Attached information 1: IP address of the target node (example: C0A8FA01 hex for IP address of
mation 192.168.250.1)
Attached information 2: Connection instance No. 0 to 255
Attached information 3: Connection status (example: 010000117 hex for General Status 01 and Additional Sta-
tus 0117)
•
Precautions/
You can know the detailed cause by checking the connection status.
Remarks
Refer to 14-6-2 Connection Status Codes and Troubleshooting on page 14-55.
•
If errors occur for multiple connections in one node, the event log is registered only for one connection
where an error is occurring.
NX-series EtherNet/IP Unit User's Manual (W627)
Source details
Minor fault Recovery
Continues. Operation
EtherNet/IP NET ERR
Flashes at 1-s intervals.
Data type
BOOL
BOOL
Correction
Modify connection information of
the tag data link and download the
device parameter or connection
settings from Network Configurator
or Sysmac Studio.
Please reduce class-3 messages.
Make the device start normal CIP
message communications.
Do not configure the NX-series
EtherNet/IP Unit, which is included
in the CIP Safety connection set-
tings, to use tag data link commu-
nications.
Do not add the NX-series Ether-
Net/IP Unit, for which tag data link
communications are set to use, to
the CIP Safety connection settings.
14 Troubleshooting
Event code 84070000 hex
1 to 4: Mounting Detection tim-
position of the X ing
Bus Unit (unit
number) and
CIP1/CIP2 are
given in combi-
nation
Automatic re- Log category
covery
The data link does not operate for a connection that
failed to establish a connection. Data links on other
connection operate.
EtherNet/IP LINK/ACT
---
Name
CIP Communications1 Tag Data
Link Connection Failed
CIP Communications2 Tag Data
Link Connection Failed
Prevention
Before starting the tag data link,
match the connection information
for the tag data link in the originator
and target.
Please reduce the number of data
link and class-3 messages used.
Start CIP message communica-
tions successfully and then perform
tag data links.
Do not configure the NX-series
EtherNet/IP Unit, which is included
in the CIP Safety connection set-
tings, to use tag data link commu-
nications.
Do not add the NX-series Ether-
Net/IP Unit, for which tag data link
communications are set to use, to
the CIP Safety connection settings.
When establish-
ing a tag data
link connection
System
14
14-35