4 Troubleshooting and Maintenance
4-6
CJ-series PROFIBUS Slave Unit Operation Manual for NJ-series CPU Unit (W510)
4-3
Event Logs
The Event Log allows the user to access all of the events that occur on the NJ-series Controller includ-
ing errors and information. You can use the Sysmac Studio or an NS-series PT to confirm current Con-
troller events and the logs of events that have occurred. These logs are called event logs. Controller
errors that occur for this Unit are also reported as events in the NJ-series CPU Unit.
Refer to the
NJ-series CPU Unit Software User's Manual
(Cat. No. W501) for details on the event logs
in an NJ-series CPU Unit. Refer to the
NJ-series Troubleshooting Manual
(Cat. No. W503) for details on
Controller errors, confirmation methods and corrections.
The errors that may occur for this Unit are listed below. Event levels are given in the table as follows:
Maj: Major fault level
Prt: Partial fault level
Min: Minor fault level
Obs: Observation
Info: Information
Refer to the
NJ-series Troubleshooting Manual
(Cat. No. W503) for all of the event codes that may
occur in an NJ-series Controller.
4-3-1
Overview of the Event Logs
4-3-2
Error Table
