The redundancy connections in S7-1500R are the PROFINET ring with MRP. The CPUs are
synchronized over the PROFINET ring.
①
System power/load current supply (optional)
②
CPU S7-1515R-2 PN
③
PROFINET cable (redundancy connections, PROFINET ring)
④
IO device in the PROFINET ring
⑤
Switch
⑥
IO device outside the PROFINET ring (separated with a switch)
Figure 5-11
S7-1500R configuration variant
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF
5.1 What is the S7-1500R/H redundant system?
System overview
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