Siemens S7-300 appendix Overview, Reference Cycle time, Reference Execution time

Cycle and reaction times 5

5.1Overview

Overview

This section contains detailed information about the following topics:

•Cycle time

•Reaction time

•Interrupt response time

•Sample calculations

Reference: Cycle time

You can view the cycle time of your user program on the PG. For further information, refer to the STEP 7 Online Help, or to the Configuring Hardware and Connections in STEP 7 Manual

Reference: Execution time

can be found in the S7-300 Instruction List for CPUs 31xC and 31x. This tabular list contains the execution times for all

•STEP 7 instructions the relevant CPU can execute,

•the SFCs / SFBs integrated in the CPUs,

•the IEC functions which can be called in STEP 7.

CPU 31xC and CPU 31x, Technical data	5-1
Manual, Edition 08/2004, A5E00105475-05