Application planning
6.4 Redundancy scenarios
S7-1500R/H redundant system
194 System Manual, 01/2024, A5E41814787-AF
6.4.7.7 Failure of both PROFINET lines between two R1 devices in a line topology
Introduction
The following redundancy scenario describes the effects of a failure of both PROFINET lines
between two R1 devices in a line topology.
Redundancy scenario
Two fiber-optic cables (redundancy connections)
PROFINET cable (line topology 1)
PROFINET cable (line topology 2)
PROFINET lines → interrupted
Figure 6-43 Failure of the two PROFINET lines between two R1 devices in a line topology
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