... 24/12VDC (30mA), or +/-12V (30mA) auxiliary sensor power.6) RS232 or RS485 Communication,(Modbus RTU Protocol.7 ... Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere ... , Solid State Relay, Proximity Sensor, ,Pressure sensor ,load cell sensor, KNE KSC box, Rotary Encoder and computer integrated control system etc ...