Advantages/benefits
•
Redundant data exchange via four or more MRP rings with R1 devices is possible via
switches and MRP interconnection.
•
Communication via the R1 devices connected with MRP interconnection takes place via
two separate PROFINET rings.
•
The redundant system continues to operate in the event of a failure of an interface
module of an R1 device or a line interruption of a PROFINET ring, regardless of the
location.
S7-1500H configuration with R1 devices and switches with MRP interconnection 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)
86
S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD
Application planning
5.3 Configuration versions
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