... 20mA analog output..5) 24/12VDC (30mA), or +/-12V (30mA) auxiliary sensor power.6) RS232 or RS485 Communication,(Modbus RTU Protocol ... .7) Power supply: 18--30V AC/DC or 80--265V AC/DC ... flowmeter,Timer,Timer Relay, Solid State Relay, Proximity Sensor, ,Pressure sensor ,load cell sensor, KNE KSC box, Rotary Encoder and computer integrated ...