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 redundancy connections in S7-1500R are the PROFINET ring with MRP. The CPUs are
synchronized over the PROFINET ring.
System power/load current supply (optional)
PROFINET cable (redundancy connections, PROFINET ring)
IO device in the PROFINET ring
IO device outside the PROFINET ring (separated with a switch)
Figure 5-11 S7-1500R configuration variant
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