Supplementary information
15.15 Cycle and response times of the CPU 410-5H
CPU 410-5H Process Automation
System Manual, 09/2014, A5E31622160-AB
303
Extended cycle time due to nested interrupts
Table 15- 14 Extended cycle time due to nested interrupts
CPU
Hardware
interrupt
Diagnostic
interrupt
Time-of-
day inter-
rupt
Delay interrupt
Cyclic
inter-
rupt
Programming
error
I/O
access
error
Asyn-
chronous
error
CPU 410-5H
stand-alone
mode
75 µs
40 µs
50 µs
40 µs
40 µs
20 µs
20 µs
55 µs
CPU 410-5H
redundant
180 µs
70 µs
200 µs
120 µs
120 µs 90 µs
45 µs
130 µs
The program runtime at interrupt level must be added to this time extension.
If several interrupts are nested, their times must be added together.