Omron NX-ECC201 User Manual page 239

Retaining Event Logs during Power Interruptions
The EtherCAT Slave Terminal retains event logs even if the Unit power supply is interrupted.
Event Codes
Event codes are pre-assigned to the events based on the type of event. Event codes are displayed as
8-digit hexadecimal numbers.
Refer to 13-3-2 Event Codes for Errors and Troubleshooting Procedures on page 13-14 for details on
event codes and error meanings.
Additional Information
When the power supply is turned ON, the EtherCAT Coupler Unit enters the Pre-Operational
state. It then resets any current errors and detects errors again. Therefore, the same error may
be recorded more than once in the event log of the EtherCAT Slave Terminal. This applies to
the following errors.
• Errors that occurred before the power supply to the EtherCAT Slave Terminal was cycled for
which the causes of the errors remain.
• Errors that occur after the power supply to the EtherCAT Slave Terminal is turned ON but
before it moves to the Pre-Operational state
Event Levels
Each event has an event level.
Events are classified into the following five levels according to the level of impact the events have on
control.
No. Event level
1 High
2
3
4
5 Low
Errors with a higher level have a greater affect on the functions that the NJ-series system provides, and
it is more urgent to recover from them. These classifications are displayed on the Sysmac Studio when
an error occurs.
You can change the level assigned to some events. Refer to 11-8 Changing Event Levels on page
11-24.
Clock Information
The time at which an error occurs in the EtherCAT Slave Terminal is recorded based on the time infor-
mation from the clock built in the CPU Unit, which is retrieved from the NJ-series Controller.
If the clock information cannot be retrieved from the NJ-series Controller, the time on the Sysmac Stu-
dio is displayed as 1970/1/1 0:00:00. The time of events that occur before the time is retrieved from the
NJ-series Controller are also displayed as 1970/1/1 0:00:00.
NX-series EtherCAT Coupler Unit User's Manual (W519)
Classification
Major fault
Partial fault level
Minor fault level
Observation level
Information level
11 EtherCAT Coupler Unit Functions
11
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