The new Network Controllers RCO 800D-M/W are equipped with powerful processors, optimised memory capacity, various integration abilities (BACnet Ethernet/IP/MSTP/PTP, Modbus RTU Master/Slave, M-Bus, etc.) and integrated Web technology. The RCO 8..D-M/W series with its high flexibility is prepared for today’s and future requirements of the modern building automation. I/O expansions with the new analogue Expander I/O Module RCO 816D-E with 8UI/4DO/4AO are possible. The BACnet protocol according AMEV-Profile-A is supported. The length of data point names is extended from 20 to 64 signs.