 
 | PLC-Analog outputs | converter, proportional valve(analog devices) | 
| PLC-Analog inputs | liquid level sensor, laser distance sensor, pressure transmitter, current transducer, ordinary potentiometer, analog sensors | 
| RS485 interface | acquisition data, humidity, wind speed, temperature, quantity of electric charge- via RS485 modbus rtu. | 
| Digital input acquisition | proximity switch, photoelectric switch, push-button switch | 
| Digital output acquisition | solenoid valve, AC contactor, alarm/annunciator | 
















