The Barionet 50 is a programmable I/O device server with an HTTP web server and Modbus/TCP, SNMP, TCP and UDP control interfaces. It provides four relay outputs rated at 30 VDC and 0.5 A, four dry-contact digital inputs, a Dallas 1-Wire interface, one RS-232 port and one RS-485 port. The unit includes 10/100 Mbit Ethernet, operates from 9 to 30 VDC with a maximum consumption of 4 W, and supports DIN-rail mounting.