Supplementary information
18.16 CPU 410 cycle and reaction times
CPU 410 Process Automation/CPU 410 SMART
376 System Manual, 05/2017, A5E31622160-AC
Reproducibility of delay and watchdog interrupts
Definition of "reproducibility"
Time-delay interrupt:
The period that expires between the call of the first operation in the interrupt OB and the
programmed time of interrupt.
Cyclic interrupt:
The fluctuation range of the interval between two successive calls, measured between the
respective initial operations of the interrupt OB.
The following table contains the reproducibility of time-delay and cyclic interrupts of the
CPUs.
Table 18- 20 Reproducibility of time-delay and cyclic interrupts of the CPUs
Module
CPU 410-5H stand-alone mode
These times only apply if the interrupt can actually be executed at this time and if it is not
delayed, for example, by higher-priority interrupts or queued interrupts of equal priority.
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