Failure Of The Profinet Cable In The Profinet Ring - Siemens Simatic S7-1500R System Manual

Application planning
3.4 Redundancy scenarios
3.4.4

Failure of the PROFINET cable in the PROFINET ring

Introduction
The following redundancy scenario describes the effects of a defective PROFINET cable in
the PROFINET ring.
Redundancy scenario
①
②
③
④
⑤
Figure 3-9
64
Primary CPU
Backup CPU
PROFINET cable (redundancy connections, PROFINET ring) → interrupted
IO device ET 200MP
IO device ET 200SP
Failure of a PROFINET cable in the PROFINET ring (using S7-1500R as an example)
S7-1500R/H redundant system
System Manual, 10/2018, A5E41814787-AA