... 1.Size: 48*96*100mm,Universal input,Up to 3 alarm relays 2.Isolated analog output,with RS485 1. Features of IBEST DS8 ... ), Rt, 20 segments of customized linear input. (Configurable by software) * Up to 3 alarm relays, contact capacity: AC 250V/3A or DC ... / 30mA max. * RS485 or RS232 interface * Product power supply: AC 90~260V 50/60HZ, power consumption<5VA * Applications: DS series multi ...