Cycle and Response Times
7-6
ET 200S Interface Module IM 151/CPU
A5E00058783-01
7.2 Response Time
Response Time for the ET 200S with the IM 151/CPU
The response time is the time from the detection of an input signal at the ET 200S
with the IM 151/CPU to the modification of an associated output signal via the
inputs and outputs of the expansion modules.
Factors
The response time depends on the cycle time and the following factors:
Factors Remarks
Delay of the inputs and outputs You can find the delay times in the technical
specifications of the signal modules in the
ET 200S Distributed I/O Device
manual.
Range of Fluctuation
The actual response time lies between a shortest and a longest response time.
You must always reckon on the longest response time when configuring your
system.
The shortest and longest response times are considered below to let you get an
idea of the width of fluctuation of the response time.
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