For building automation, METZ CONNECT offer add-on I/Os for EWIO with digital and analog inputs and outputs and as mixed module. Powerful data logger for tasks in energy controlling. Meter data, temperatures etc. can be recorded via the intergrated I/Os, the M-Bus and RS485, and switching and actuating signals can be generated. An integrated data base supplies the data for higher-level energy management systems via LAN. Also, a connection via WLAN is possible.