Siemens Simatic S7-1500R - Interrupts, Diagnostics, Error Messages and System Events; Meaning of the LEDs

Cyclic program execution
3.2 Cycle time
Cycle and response times
32 Function Manual, 10/2018, A5E03461504-AD
ET 200SP
1510SP(F)-1 PN
1512SP(F)-1 PN
1515SP(F)-PC
Bit operations,
typ.
72 ns 48 ns 30 ns
Word operations,
typ.
86 ns 58 ns 36 ns
Fixed-point arith-
metic, typ.
115 ns 77 ns 48 ns
Floating-point
arithmetic, typ.
461 ns 307 ns 192 ns
ET 200pro
1516pro(F)-2 PN
Bit operations, typ.
10 ns
Word operations, typ.
12 ns
Fixed-point arithmetic, typ.
16 ns
Floating-point arithmetic, typ.
64 ns
Note
Instruction "RUNTIME"
You can measure the runtimes of program sequences with the instruction "RUNTIME".