The multi-task system
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Operating Manual ProNumeric XCI 600 Version 07/16
9.3.1
Cyclical tasks
Cyclical tasks execute the programs assigned to them within a defined
interval under a user-defined priority.
In MULTIPROG you can give the individual tasks a priority between 0 and
31. Task 0 has the highest priority, task 31 the lowest. The task with the
highest priority is called first. The user-task priorities (Table 14) are mapped
to the priority levels of the real-time operating system (see: section 9.5).
If the watchdog time of a cyclical task is higher than the set interval time and
task execution has not been completed, one or more execution cycles will be
omitted.