7-1
ET 200S Interface Module IM 151/CPU
A5E00058783-01
Cycle and Response Times
Introduction
In this chapter you will learn what make up the cycle and response times of the
ET 200S with the IM 151/CPU.
You can use the programming device to read out the cycle time of your user
program (see the
STEP 7 User Manual
).
The response time is more important for the process. In this chapter we will show
you in detail how to calculate the response time.
Chapter Overview
In Section Contents Page
7.1 Cycle Time 7-2
7.2 Response Time 7-6
7.3 Interrupt Response Time 7-9
Execution Times
For the
STEP 7
instructions that can be processed by the CPUs can be found
in Appendix B.
For the SFCs/SFBs integrated in the CPUs can be found in Appendix C.
7
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