The SCALANCE XF204-2BA DNA from Siemens is a new compact Industrial Ethernet switch specially designed for use with redundant SIMATIC S7-400H systems in process automation. It follows the recommendations of NAMUR NE 21 and is therefore suitable for use in process automation. The switch with dual network access functionality (DNA or Y-switch functionality) combines a redundant PROFINET ring, consisting of S2 devices (field level), with a high-availability PROFINET system (R1 system).

• Connection of up to two modular BusAdapters (2 ports each) supported
• Enclosure in SIMATIC ET 200SP design (slim design, 100 mm wide) for space-saving use in small control boxes
• Integrated redundancy manager for configuring Fast Ethernet ring topologies with fast media redundancy MRP on device side
• Integrated system diagnostics with PROFINET, SNMP access, integrated web server and automatic email transmission function for remote diagnostics and signaling via the network

The following BusAdapters are currently released for use with SCALANCE XF204-2BA DNA:

• SIMATIC ET 200SP HA, BusAdapter BA 2Г—RJ45, 2 RJ45 sockets
• SIMATIC ET 200SP HA, BusAdapter BA 2Г—FC, 2 FastConnect connections
• BusAdapter BA 2xRJ45VD HA

Product variant

SCALANCE XF204-2BA DNA

• PROFINET S2 devices are switched to a high-availability R1 system with the SCALANCE XF204-2BA DNA (DNA = Dual Network Access).