Failure Of Both Profinet Lines Between Two R1 Devices In A Line Topology - Siemens SIMATIC S7-1500 System Manual

Application planning
6.4 Redundancy scenarios
6.4.7.7

Failure of both PROFINET lines between two R1 devices in a line topology

Introduction
The following redundancy scenario describes the effects of a failure of both PROFINET lines
between two R1 devices in a line topology.
Redundancy scenario
①
②
③
④
⑤
⑥
⑦
⑧
Figure 6-43
194
Primary CPU (S7-1500H)
Backup CPU (S7-1500H)
Two fiber-optic cables (redundancy connections)
PROFINET cable (line topology 1)
PROFINET cable (line topology 2)
IO device ET 200SP HA
PROFINET lines → interrupted
IO device ET 200SP
Failure of the two PROFINET lines between two R1 devices in a line topology
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF