System overview
2.1 What is the S7-1500R/H redundant system?
S7-1500R/H redundant system
System Manual, 10/2018, A5E41814787-AA
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2.1.2
Operating principle of the S7-1500R/H redundant system
Introduction
S7-1500R/H redundant systems tolerate the failure of one of the two CPUs or an interruption
in the PROFINET ring. The S7-1500R and S7-1500H systems differ in structure,
configuration limits and performance.
S7-1500 design and operating principle
The figure below shows the typical structure of the S7-1500R redundant system.
①
S7-1500R CPU
②
PROFINET cable (redundancy connections, PROFINET ring)
③
IO device
④
Switch
Figure 2-4
Structure of an S7-1500R redundant system
Summary of Contents for Simatic S7-1500H
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