•Communications processor CP 443-1; 2x 10/100 Mbit/s (IE switch); RJ45 ports; ISO; TCP; UDP; PROFINET IO controller; S7 communication; Open communication (SEND/ RECEIVE); S7 routing; IP configuration via DHCP/ Block • IP Access control list • time-of-day synchronization • extended web diagnostics • Fast Startup •Support for ProEnergy