Cycle And Reaction Times; Overview; Cycle Time - Siemens CPU 31 Series Technical Data Manual

Cycle and reaction times

5.1

Overview

5.1
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
Reference: Execution time
can be found in the
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.
5.2 Cycle time
5.2
5.2.1 Overview
Introduction
This section explains what we mean by the term "cycle time", what it consists of, and how
you can calculate it.
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06
STEP 7 Online Help
, or to the
S7-300 Instruction List for CPUs 31xC and 31x
Configuring Hardware and Connections in STEP 7
5
Manual
. This tabular list contains
5-1