Siemens SIMATIC S7-400H, Системное руководство

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S7-400 cycle and response times
19.2 Calculating the cycle time
S7-400H
System Manual, 03/2012, A5E00267695-11
363
Operating system execution time at the cycle control point
The table below shows the operating system execution time at the cycle checkpoint of the
CPUs.
Table 19- 8 Operating system execution time at the cycle control point
Sequence 412-5H
stand-alone
mode
412–5H
redundant 414-5H
stand-alone
mode 414–5H
redundant 416–5H
stand-alone
mode 416–5H
redundant 417-5H
stand-alone
mode 417–5H
redundant
Cycle
control at
the SCCP
120-700 µs
∅ 130 µs
405-
2080 µs
∅ 505 µs
70-450 µs
∅ 80 µs
260-
1350 µs
∅ 310 µs
50-400 µs
∅ 55
180-970 µs
∅ 215
30 - 330 µs
∅ 35 µs
115 -
650 µs
∅ 130 µs
Extended cycle time due to nested interrupts
Table 19- 9 Extended cycle time due to nested interrupts
CPU Hardware
interrupt Diagnostic
interrupt Time-of-
day
interrupt Delay interrupt Cyclic
inter-
rupt Programming
error I/O
access
error Asyn-
chronous
error
CPU 412-5H
stand-alone
mode
240 µs 240 µs 230 µs 150 µs 150 µs 80 µs 80 µs 180 µs
CPU 412–5H
redundant
680 µs 550 µs 700 µs 580 µs 450 µs 350 µs 179 µs 550 µs
CPU 414–5H
stand-alone
mode
160 µs 120 µs 150 µs 100 µs 100 µs 60 µs 60 µs 120 µs
CPU 414–5H
redundant
420 µs 400 µs 490 µs 360 µs 280 µs 220 µs 120 µs 306 µs
CPU 416–5H
stand-alone
mode
120 µs 110 µs 100 µs 80 µs 60 µs 40 µs 40 µs 80 µs
CPU 416–5H
redundant
300 µs 250 µs 370 µs 220 µs 200 µs 150 µs 90 µs 230 µs
CPU 417–5H
stand-alone
mode
90 µs 70 µs 70 µs 50 µs 50 µs 30 µs 30 µs 70 µs
CPU 417–5H
redundant
200 µs 170 µs 230 µs 150 µs 150 µs 100 µs 45 µs 133 µs
The program runtime at interrupt level must be added to this time extension.
The corresponding times are added together if the program contains nested interrupts.