ludes: 2x USB to RS485 converter adapter
Used CH340 chip.
USB connect to your PC, RS485 connect to your RS485 device.
System support: Windows98 / ME / 2000 / XP / WIN7 / Vista, Linux, etc.
Size: 60mm x 18mm x 13mm.
Can be used by plugging directly into your personal computer, no external power supply or data cable needed.
This converter supports USB 2.0 interface, and is backwards compatible with USB 1.1, INLINE with RS485 standards.
Application: LED display data communication; machine PLC data read, write, and PTZ control; Centralized control of household electrical appliances; access control systems; variety of industrial automation; instrumentation; employee attendance machine; highway toll station; ATM machine.