... (AC 0-5V,4-20mA,0-10V,0-100mV,Rt,Pt100,Tc,etc.) Features:1) Signal input: AC 0-5A, 4 ... -20mA, 0-10V, 0-100mV, Rt, Pt100, Tc, etc. input combination of AC and DC. eg, AV600 ... supply: +12V or 24V/30mA, etc.5) Communication: RS232 or RS485 Modbus RTU protocol, connectable with PLC.6) Regular model: DS8 ...