... volt & ampere inputs,3 line 4 digits display /2 line 4 digits signal line display are for your option.2,Input:4-20mA,0-10V ... ,etc.,output range adjustable by software. Digit output: up to 2 lines alarm output,various output modes selectable.4,Aux.power ... : +12V/24V/30mA for 2-wire sensor.5,Communication: standard RS232/RS485 interface,MODBUS RTU ...