System overview
5.1 What is the S7-1500R/H redundant system?
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF
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The figure below shows a configuration of the S7-1500H with S2 devices in a line topology.
Redundancy connections (fiber-optic cables)
IO device (with system redundancy S2)
PROFINET cable (line topology)
Figure 5-7 S7-1500H configuration with S2 devices and switch in a line topology
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