11   EtherNet/IP Coupler Unit Functions
11 - 8
NX-series EtherNet/IP Coupler Unit User’s Manual (W536)
11-3 Event Logs
The EtherNet/IP Slave Terminal supports the event logs to perform troubleshooting.
This section describes event logging for EtherNet/IP Slave Terminals.
The EtherNet/IP Slave Terminal records events, such as errors and status changes, that occur in the 
EtherNet/IP Slave Terminal. You can use the Support Software to check the meaning of the events in 
the EtherNet/IP Slave Terminals. 
"Event" for an EtherNet/IP Slave Terminal is a generic term for an unexpected error or for information 
that does not indicate an error but for which the user must be notified.
Event logging in the EtherNet/IP Slave Terminal offer following benefits:
• In addition to error logs, various logs are recorded, such as execution of restarting.
• This allows you to check events based on time, which can help you isolate the causes of errors when 
problems occur.
You can use the troubleshooting functions on the Support Software to check current and past events in 
an EtherNet/IP Slave Terminal.
11-3-1 Introduction
Features
Displaying Event Logs
EtherNet/IP 
Coupler Unit
Event logs
EtherNet/IP Master
Support Software  
(when connected to the 
USB port on the 
EtherNet/IP Coupler Unit)
Use the Sysmac Studio to check past and current events 
for the EtherNet/IP Slave Terminal