S7-1500H configuration with R1 devices and Y-switch in the PROFINET ring
① CPU 1
② CPU 2
③ Two fiber-optic cables (redundancy connections)
④ PROFINET cable (PROFINET ring 1)
⑤ PROFINET cable (PROFINET ring 2)
⑥ IO device ET200SPHA (with system redundancy R1)
⑦ IO device ET 200SP (with system redundancy R1)
⑧ Switch
⑨ Y-switch (SCALANCE XF204-2BA DNA)
⑩ PROFINET cable (PROFINET ring 3)
⑪ ET 200SP IO device (with system redundancy S2) or switched S1 device
Figure 5-11S7-1500H configuration with R1 devices and Y-switch in the PROFINET ring
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S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD
Application planning
5.3 Configuration versions