4-5
4 Controller Setup
NJ-series CPU Unit Software User’s Manual (W501)
4-2 Initial Settings for the PLC Function Module
4
4-2-2 Controller Setup
*1 A CPU Unit with unit version 1.02 or later and Sysmac Studio version 1.03 or higher are required to use the Event Log
Settings.
*2 A CPU Unit with unit version 1.03 or later and Sysmac Studio version 1.04 or higher are required to disable backups.
If Use is selected for Event Log Settings Instruction Error Output, an instruction error is output
each time an error occurs when an instruction with an error is executed repetitively. This may
cause the event log to exceed the maximum number of events. If this occurs, older events are
overwritten.
System Ser-
vice Monitor-
ing Settings
System Ser-
vice Execu-
tion Interval
[ms]
Sets the interval of sys-
tem service execution.
10 ms to 1 s 10 ms When down-
loaded to
CPU Unit
Not allowed.
System Ser-
vice Execu-
tion Time
Ratio [%]
Sets the ratio of execu-
tion for monitoring sys-
tem services in relation
to overall processing of
the CPU Unit.
5% to 50% 10% When down-
loaded to
CPU Unit
Not allowed.
Event Log
Settings
*1
Instruction
Error Output
Sets whether to output
events to an event log
when instruction errors
occur.
Do not use.
Use.
Do not use. When trans-
ferred to CPU
Unit
Not allowed.
Security Set-
ting
Write Protec-
tion at Startup
Sets whether to automat-
ically enable or disable
write protection when
you turn ON the power
supply to the Controller.
Do not use.
Use.
Do not use. When power
is turned ON
Supported.
Prohibit data
backup to the
SD Memory
Card
*2
Sets whether to enable
or disable SD Memory
Card backups.
Do not use.
Use.
Do not use. When down-
loaded to
CPU Unit
Supported.
Parameter Description
Setting Change
during RUN Mode
You can change the set values of parameters that can be changed during RUN mode.
Start: Enables writing set values.
Transfer: Transfers set values to the Controller. The set values are overwritten.
Cancel: Prohibits writing set values.
Parameter
Setting
group
Description Set value Default
Update tim-
ing
Changes in
RUN mode