مبدل USB به سریال RS485

USB TO RS485 (CH340G)
Description
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
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.
Specification
Color: Black
Support System: for Windows XP ,for Vista,for Windows 7 ,for Linux ,for MacOS , and for WinCE5.0 drive
Supports Plug , Play and hot-swap ( USB side)
Better than using CH341D chip or similar chip to support the laptop USB port .