Siemens Simatic S7-1500 / ET 200MP - Safety-Related Communication Via Fail-Safe Modules

System overview
4.7 Communication
Automation system
System Manual, 01/2023, A5E03461182-AK
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4.7.4 Safety-related communication via fail-safe modules
The figure below provides an overview of the possibilities of safety-related communication
via PROFINET IO in SIMATIC Safety fail-safe systems with S7-1500 F-CPUs.
Safety-related IO controller - IO controller communication
Safety-related IO controller - I-device communication
Safety-related IO controller-I-device communication (via IE/PB link to PROFIBUS)
Figure 4-21 Example of safety-related communication