The Barix Barionet 100 is a programmable I/O device server with an integrated web server and support for Modbus/TCP and SNMP. It provides RS-232 and RS-422/485 serial interfaces, two relay outputs, four digital inputs, four configurable universal analog or digital inputs, four open-collector outputs, Dallas 1-Wire capability and two Wiegand interfaces. The unit has 10/100 Mbit Ethernet, operates from 9–30 VDC or 12–24 VAC, and supports DIN-rail mounting.