Siemens Simatic S7-1500R System Manual page 28

Redundant system
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The redundancy connections in S7-1500R are the PROFINET ring with MRP. The CPUs are
synchronized over the PROFINET ring.
Load power supply (optional)
CPU S7-1515R-2 PN
PROFINET cable (redundancy connections, PROFINET ring)
IO device in the PROFINET ring
Switch
IO device outside the PROFINET ring (separated with a switch)
Figure 2-7
S7-1500R configuration version
S7-1500R/H redundant system
System Manual, 10/2018, A5E41814787-AA
2.1 What is the S7-1500R/H redundant system?
System overview
27

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