Siemens SIMATIC NET SCALANCE X-200RNA Operating Instructions Manual page 158

Accessories and compatible devices
11.2 PRP-compatible devices
Hardware version
You will find the hardware version of your device on the type plate. On the type plate, the
hardware version is printed as a placeholder "X".
Example: X 2 3 4 5 6
In this case, "X" would be the placeholder for hardware version 1.
HSR rings
Note that other requirements are in effect for rings in which the "High-availability Seamless
Redundancy Protocol" (HSR) is used.
Only devices equipped with HSR interfaces can be used in HSR rings.. Devices without HSR
capability, must be connected to the HSR ring by an HSR version of the SCALANCE X-200RNA.
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Operating Instructions, 04/2022, C79000-G8976-C342-07
SCALANCE X-200RNA