Omron NE1A-SCPU01 - 07-2009 Operation Manual page 274

Indicator/Display Status and Corrective Actions for Errors
Indicators/display
MS NS Seven-
segment
display
L9↔n4 ---
Flash-
ing red
E1↔n4 ---
OFF
240
Error history
Name Saved in
nonvolatile
memory
Tag Data Yes
Link Error
Link OFF Yes
Error
Cause
EtherNet/IP standard tar- Check the following points.
get communications error
• Make sure the same commu-
• Make sure cables are not dis-
• Make sure power is supplied
Link OFF error Check the following points.
• Make sure the same commu-
• Make sure cables are not dis-
• Make sure power is supplied
Section 12-3
Corrective actions
nications settings are used for
each node.
connected or bent.
to the Originator.
nications settings are used for
each node.
connected or bent.
to the hub.