CH340 USB to RS485 485 Converter Adapter Module Arduino Raspberry pi – Black | CXCX0003

USB to RS485 Converter Adapter
USB connector: to your PC
RS485 connector: to your RS485 device
No need external power, powered by USB port
Fully compliant USB 2.0 standard , backward compatible with USB1.1
NOTICE: Per the notice from factory, the new batch uses chip PL2303HX from Taiwan which with more compatibility than CH340 Chip, if you have any question or problem, please feel free to contact us, thanks for your support! ,

Applications:

All kinds with RS485 port device parameter settings , data communication
Short distance , such as parameter settings of the computer peripheral equipment , the use of common data lines can be .
A and A port of the device when the wiring is connected , B and device B connected . Some devices D A and D, – B .
LED display of communication data
Machine PLC data reading and writing
Monitoring data read and write , and PTZ control
Centralized control of household electrical appliances
Access Control System ; card
A variety of industrial automation ; instrumentation
Parking ; bus fees
Dining Hall ; staff attendance
Highway toll station; ATM machine