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8 CPU Unit Functions
NJ-series CPU Unit Software User’s Manual (W501)
8-6 Event Logs
8
8-6-4 User-defined Events (User-defined Errors and Information)
Event Levels and Event Codes
* User-defined error levels are separate from Controller error levels.
If you update the Event Setting Table and transfer it to the CPU Unit, the event logs for user-
defined events still contain old information. This can result in inconsistencies with the new Event
Setting Table. Program operations with caution.
There are instructions that you can use to create and check user-defined errors and to clear existing
user-defined errors.
Creating and Clearing User-defined Errors
Use the following instructions to create and reset user-defined errors and to create user-defined infor-
mation. Up to 32 events per level can occur simultaneously, for a total of 256 possible simultaneous
events.
Checking for User-defined Errors
You can use the Get User-defined Error Status (GetAlarm) instruction to obtain the status of the cur-
rent user-defined errors and the highest priority event level and code of the current user-defined
errors.
Event classi-
fication
Level
Event level cate-
gory*
Range of corre-
sponding event
code
Description
User-defined
errors
High User fault Level1 1 to 5000 Select from eight levels.
User fault Level2 5001 to 10000
User fault Level3 10001 to 15000
User fault Level4 15001 to 20000
User fault Level5 20001 to 25000
User fault Level6 25001 to 30000
User fault Level7 30001 to 35000
Low
User fault Level8 35001 to 40000
User-defined
Information
Lowest User Information 40001 to 60000 The event type is user-defined
information.
Related Instructions
Instruction name Instruction Description
Create User-defined
Error
SetAlarm The SetAlarm instruction creates a user-defined error.
Reset User-defined
Error
ResetAlarm The ResetAlarm instruction resets a user-defined error.
Create User-defined
Information
SetInfo The SetInfo instruction records the specified user-defined informa-
tion in the event log.
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