The Barix R6 is a DIN-rail-mountable Modbus remote I/O relay module with six high-current relays rated at 250 VAC and 10 A, each providing common, normally open, and normally closed contacts. It features a two-wire RS-485 interface supporting Modbus/RTU at 9,600 or 19,200 baud, configurable parity, two expansion connectors, status LEDs, and operation from 12–24 VAC or 9–30 VDC. The module measures 105 × 85 × 32 mm and weighs 220 g.