Scheduled Interrupt Interval - Omron CJ2 - 02-2010 User Manual

9 PLC Setup
• Conditions for Enabling a Minimum Cycle Time
Set the minimum cycle time to a non-zero value to eliminate inconsistencies in I/O responses. This
parameter is effective only when the actual cycle time is shorter than the minimum cycle time set-
ting. If the actual cycle time is longer than the minimum cycle time setting, the actual cycle time will
remain unchanged.
Minimum Cycle Time Not Set
Actual processing
time
Refresh
Actual processing
time
Refresh
Actual processing
time
Refresh
The refresh intervals
are not constant.

Scheduled Interrupt Interval

This parameter sets the time unit used in scheduled interrupt intervals to 1 ms, 0.1, or the default of
10 ms.
g
Parameter Settings
Scheduled • 10 ms
Interrupt
• 1.0 ms
Interval
• 0.1 ms
• Scheduled Interrupt Time Unit
This parameter sets the time unit for the scheduled interrupt interval settings. Set the scheduled
interrupt interval from the program with MSKS(690).
9-16
Minimum Cycle Time Set
Actual processing
time
1st cycle time
Wait time
Adjustment according
to the wait time
Refresh
2nd cycle time
Actual processing
time
Wait time
3rd cycle time
Refresh
Actual processing
time
Wait time
Refresh
The I/O will be refreshed within the time set for the minimum cycle time.
Default
10 ms This setting determines the time units used in sched-
uled interrupt interval settings.
Scheduled Interrupt Time Units
Interval
Scheduled interrupt task
1st cycle time
2nd cycle time
Value set for minimum cycle time
3rd cycle time
Function
CJ2 CPU Unit Software User's Manual
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