Siemens SIMATIC S7-1500 System Manual page 86

Application planning
5.3 Configuration versions
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
②
③
④
⑤
86
CPU 1
CPU 2
Two fiber-optic cables (redundancy connections)
PROFINET cable (PROFINET ring 1)
PROFINET cable (PROFINET ring 2)
S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD