Siemens SIMATIC PCS 7 CPU 410-5H System Manual page 303

Extended cycle time due to nested interrupts
Table 15- 14 Extended cycle time due to nested interrupts
CPU Hardware
interrupt
CPU 410-5H 75 µs
stand-alone
mode
CPU 410-5H 180 µs
redundant
The program runtime at interrupt level must be added to this time extension.
If several interrupts are nested, their times must be added together.
CPU 410-5H Process Automation
System Manual, 09/2014, A5E31622160-AB
Diagnostic Time-of-
interrupt day inter-
rupt
40 µs 50 µs
70 µs 200 µs
15.15 Cycle and response times of the CPU 410-5H
Delay interrupt Cyclic
inter-
rupt
40 µs 40 µs
120 µs 120 µs
Supplementary information
Programming I/O
error access
error
20 µs 20 µs
90 µs 45 µs
Asyn-
chronous
error
55 µs
130 µs
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