Application planning
6.4 Redundancy scenarios
S7-1500R/H redundant system
190 System Manual, 01/2024, A5E41814787-AF
6.4.7.5 Failure of an interface module in an R1 device in a PROFINET ring
Introduction
The following redundancy scenario describes the effects of a failure of an interface module in
an R1 device in the PROFINET ring.
Redundancy scenario
Two fiber-optic cables (redundancy connections)
PROFINET cables (PROFINET ring 1)
PROFINET cables (PROFINET ring 2)
ET 200SP HA interface module → failed
Figure 6-41 Failure of an interface module in an R1 device in the PROFINET ring
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