Specific Failure Scenarios With S7-1500R; Two Cable Interruptions In The Profinet Ring In S7-1500R > 1500 Ms Apart - Siemens Simatic S7-1500R System Manual

3.5.3

Specific failure scenarios with S7-1500R

3.5.3.1 Two cable interruptions in the PROFINET ring in S7-1500R > 1500 ms apart
Introduction
The following failure scenario describes the effects of two cable interruptions in the
PROFINET ring. In this failure scenario, the time between the two cable interruptions is
> 1500 ms.
Failure scenario
①
②
③
④
⑤
Figure 3-16
S7-1500R/H redundant system
System Manual, 10/2018, A5E41814787-AA
Primary CPU
Backup CPU
PROFINET ring → interrupted at two points
IO device ET 200MP
IO device ET 200SP
Two cable interruptions in the PROFINET ring (> 1500 ms apart)
Application planning
3.5 Failure scenarios
77