... ,AC100V,DC48V,DC24V<4VA1-way RS-485 communication, Modbus-RTU protocol Baud Rate 1200~9600bps,default 2400 bpsSupports 4-way dry contact inputSupports ... 3-way relay output, capacity AC 250V/5A, DC 30V ... /5ASupports 3-way analog output 0/4~20mA or 0~5/10V-10°C~+55°C ...