System overview
5.2 Configuration
S7-1500R/H redundant system
88 System Manual, 01/2024, A5E41814787-AF
Configuration example
Redundancy connections (fiber-optic cables)
PROFINET cable (PROFINET ring)
ET 200MP IO device with fail-safe and non-fail-safe modules
ET 200SP IO device with fail-safe and non-fail-safe modules
Figure 5-16 Example configuration of redundant system with two CPUs 1518HF-4 PN in PROFINET
ring
Other configuration variants as of FW
version V3.0 of the CPU 1518HF-4 PN
As of FW version V3.0, the HF system supports additional functions and configuration
variants:
System redundancy R1
HF CPUs do not have to be part of a PROFINET ring or MRP domain.
This makes additional topology variants possible, such as line topology, combined
topology, or setup without additional devices.
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