Rockwell-automation 1794-L34 FlexLogix Controller System User Manual Manual de usuario Pagina 84

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Publication 1794-UM001G-EN-P - January 2007
84 Develop Applications
If you use the default time slice of 20%, the system overhead
interrupts the continuous task every 4 ms (of continuous task time).
If you increase the time slice to 50%, the system overhead interrupts
the continuous task every 1 ms (of continuous task time).
If the controller only contains a periodic task(s), the system overhead
timeslice value has no effect. System overhead runs whenever a
periodic task is not running.
1 ms 1 ms 1 ms 1 ms 1 ms
system overhead
4 ms 4 ms 4 ms 4 ms 4 ms
continuous task
5 10152025
elapsed time (ms)
1 ms
system overhead
1 ms
continuous task
5 10152025
elapsed time (ms)
periodic task
system overhead
5 10152025
continuous task
elapsed time (ms)
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