SFAR-S-6ROAbout the product SFAR S 6RO has 6x RO (Relay Outputs). Relay Outputs are selectable normally closed or normally open (NC NO) type relay outputs 250 V AC 24 V DC max. 3 A 10 A. Each channel can be individually configured in one of several modes. Built in RS485 interface allows to easy connection over Modbus RTU ASCII protocol with a PLC makes the modules an external I O. The use of 32 bit ARM core processor provides fast processing and communication