Error Checking Methods - Omron NJ501-1300 User Manual

9-1-2

Error Checking Methods

This section describes errors related to the OPC UA Server.
Classification
The source of OPC UA Server errors is described below.
Detection loca-
tion
OPC UA Server
Event Levels
This section describes the operation of the OPC UA Server for each event level.
Event level of the
error
Major fault
Partial fault
Minor fault
Observation
Information
NJ-series CPU Unit OPC UA User's Manual (W588)
Event source
Event source
details
PLC function module OPC UA Server
Operation
All NJ-series Controller control operations stop for errors in this event level.
All control operations for one of the function modules in the NJ-series Controller stop for
errors in this event level.
If a partial fault level error occurs on the OPC UA Server, all functions of the OPC UA
Server stop.
Some of the control operations for one of the function modules in the NJ-series Control-
ler stop for errors in this event level.
Errors in the observation level do not affect the NJ-series Controller control operations.
Observations are reported in order to prevent them from developing into errors at the
minor fault level or higher.
Events that are classified as information provide information that does not indicate
errors.
9 Troubleshooting
Event log category
System log Access log
Yes No
User-define
d event log
No
9
9 - 5