Siemens Simatic S7-1500 Function Manual page 71

Cycle and response times of the S7-1500R/H redundant system
5.5 Timetables for the RUN-Redundant system state
Extension due to nesting of higher-priority OBs and/or interrupts
The interruption of a user program at the end of an instruction by a higher-priority OB causes
a certain basic time expenditure. Take account of this basic time expenditure in addition to
the update time of the assigned process image partitions and the execution time of the
contained user program. The following tables contain the typical times for the various
interrupts and error events.
Table 5- 5 Basic time expenditure for an interrupt
CPU 1513R-1 PN
Hardware inter- 560 μs
rupt
Time-of-day inter- 560 μs
rupt
Time-delay inter- 560 μs
rupt
Cyclic interrupt 560 μs
A table of the time expenditure of the CPUs for an interrupt in the RUN-Solo system state is
available in section User program execution time (Page 31).
Table 5- 6 Basic time expenditure for an error OB
CPU 1513R-1 PN
Programming 560 μs
error
I/O access error 560 μs
Time error 560 μs
Diagnostic inter- 560 μs
rupt
Module fail- 560 μs
ure/recovery
Station fail- 560 μs
ure/recovery
A table with the basic time expenditure of the CPUs for an error OB in the RUN-Solo system
state is available in section User program execution time (Page 31).
70
Basic time expenditure of the CPUs for an interrupt in the RUN-Redundant system state
Basic time expenditure of the CPUs for an error OB in the RUN-Redundant system state
CPU 1515R-2 PN
430 μs
430 μs
430 μs
430 μs
CPU 1515R-2 PN
430 μs
430 μs
430 μs
430 μs
430 μs
430 μs
CPU 1517H-3 PN
70 μs
70 μs
70 μs
70 μs
CPU 1517H-3 PN
70 μs
70 μs
70 μs
70 μs
70 μs
70 μs
Cycle and response times
Function Manual, 10/2018, A5E03461504-AD