Cycle and Reaction times
3-17
PLC S7-300, CPU Specifications CPU 312 IFM to CPU 318-2 DP
A5E00111190-01
Reproducibility
Table 3-9 lists reproducibility of the delay and watchdog interrupts of the CPUs
(without communication).
Table 3-9 Reproducibility of the Delay and Watchdog Interrupts of the CPUs
CPU Reproducibility
Delay Interrupt Watchdog Interrupt
314 approx. –1/+0.4 ms approx. 0.2 ms
314 IFM approx. –1/+0.4 ms approx. 0.2 ms
315 approx. –1/+0.4 ms approx. 0.2 ms
315-2 DP approx. –1/+0.4 ms approx. 0.2 ms
316-2DP approx. –1/+0.4 ms approx. 0.2 ms
318-2 approx. –0.8/+0.38 ms approx. 0.04 ms