Siemens SIMATIC NET SCALANCE X-200RNA Operating Instructions Manual page 25

Transition between HSR and PRP (non-redundant)
The coupling with a PRP network can also take place non-redundantly. In this case, only one
SCALANCE X-200RNA device is required. The device is connected to the PRP network LAN A and
to LAN B.
Note
This type of linking is not recommended because if the transition point fails, the communication
between HSR and PRP nodes is interrupted.
SCALANCE X-200RNA
Operating Instructions, 04/2022, C79000-G8976-C342-07
Network topologies and redundancy
4.2 HSR
25