Application planning
6.3 Configuration versions
S7-1500R/H redundant system
168 System Manual, 01/2024, A5E41814787-AF
6.3.7.8 Configuration of combined topology with S2 devices
Introduction
The section below shows you the configuration of the S7-1500H redundant system with S2
devices in a combined topology.
Advantages/benefits
• Within the combined topology, any topology is allowed:
– Ring topology
– Line topology
– Star topology
• The combined topology can be extended by additional S2 devices.
• An existing backbone ring can be connected to the S7-1500H redundant system. They
connect the backbone ring and other S2 devices via switches.
Configuration of S7-1500H with S2 devices in a combined topology
Two fiber-optic cables (redundancy connections)
IO device ET 200SP (with system redundancy S2)
Figure 6-26 Configuration of S7-1500H and S2 devices in a combined topology
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