Siemens Simatic S7-1500 - Page 106

System overview
5.3 S7-1500 R/H-CPUs
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF
105
Example
The following figure shows the redundant coupling based on the example of S7-1500R in 2
rings:
①
Primary MIC
②
Media Redundancy Interconnection Manager (MIM)
③
Secondary Link
④
Secondary Coupled MIC
⑤
Primary Coupled MIC
⑥
Primary Link
Figure 5-21 Example: Redundant connection of S7-1500R in 2 rings with MRP interconnection