4 ports network switch / redundant / industrial
SCALANCE X-200RNA (HSR-Protokoll)
Siemens Industrial Communication
Number of ports:
Redundant network structures increase network availability, but usually also result in short-term delays in data transfer when a connection is switched to a different network path in the event of a failure.
Message frame delay is no longer a problem thanks to Redundant Network Access (RNA) from Siemens Industry for hardware and software which support both PRP (Parallel Redundancy Protocol) and HSR (High-availability Seamless Redundancy Protocol):