Application planning
3.5 Failure scenarios
S7-1500R/H redundant system
System Manual, 10/2018, A5E41814787-AA
75
3.5.2
Failure of a switch (with line topology) in the PROFINET ring
Introduction
The following failure scenario describes the effects of a defective switch (with line topology)
in the PROFINET ring.
Failure scenario
①
Primary CPU
②
Backup CPU
③
PROFINET cable (redundancy connections, PROFINET ring)
④
IO device ET 200MP
⑤
IO device ET 200SP
⑥
Switch → failed
⑦
IO device ET 200SP
⑧
HMI device
Figure 3-15 Failure of a switch in the PROFINET ring (using S7-1500R as an example)
Summary of Contents for Simatic S7-1500H
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