not limited to the maximum number of 50 devices in a ring when configuring redundant
network topologies.
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)
⑥ Switch
⑦ IO device ET 200SP (with system redundancy R1)
⑧ PROFINET cable (PROFINET ring 3)
⑨ PROFINET cable (PROFINET ring 4)
Figure 5-9Configuration variant 2
See also
Redundancy (Page 46)
5.3.3.3 Configuration of PROFINET rings with R1 devices and switches with MRP
interconnection
Introduction
The section below shows you the configuration of the S7-1500H redundant system with R1
devices and switches with MRP interconnection in a PROFINET ring.
85
Application planning
5.3 Configuration versions
S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD
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