SIPLUS NET CP 343-1 -25...+70 °C with conformal coating based on 6GK7343-1EX30-0XE0 . Communications processor for connection of SIMATIC S7-300 to Industrial Ethernet via ISO and TCP/IP, PROFINET IO controller or PROFINET IO device, Integrated 2-port switch ERTEC 200, S7 communication, fetch/write, Send/Receive with and without RFC1006, MULTICAST DHCP, NTC-CPU Sync, diagnostics, initialization via LAN, 2x RJ45 connection for LAN with 10/100 Mbit/s The SIPLUS extreme variant protects the automation components also against rough ambient conditions, such as especially high and low temperatures, corrosive gases, condensation, frost, biologically, chemically and mechanically active substances, such as they may occur in control cabinets or container solutions close to production. With this your automation tasks are reliably protected and offer additional security of investment