Failure Of An Interface Module In An R1 Device In A Profinet Ring - Siemens SIMATIC S7-1500 System Manual

Application planning
6.4 Redundancy scenarios
6.4.7.5

Failure of an interface module in an R1 device in a PROFINET ring

Introduction
The following redundancy scenario describes the effects of a failure of an interface module in
an R1 device in the PROFINET ring.
Redundancy scenario
①
②
③
④
⑤
⑥
⑦
⑧
Figure 6-41
190
Primary CPU
Backup CPU
Two fiber-optic cables (redundancy connections)
PROFINET cables (PROFINET ring 1)
PROFINET cables (PROFINET ring 2)
IO device ET 200SP HA
ET 200SP HA interface module → failed
IO device ET 200SP
Failure of an interface module in an R1 device in the PROFINET ring
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF