Feature:
No need external power,powered by usb port.
The screw terminals make it easy to connect the two necessary lines.
Fully compliant USB 2.0 standard , backward compatible with USB1.1.
Adopted to CH340 chip and support System: Windows XP , Vista, Windows 7 , Linux , MacOS , and WinCE5.0 drive.
Specification:
Usb connector connect to PC
RS485 connector connect to RS485 device
Communication distance :1200m(max)
Work temperature range: -40°C ~ +85°C
Output port A(D+),B(D-) and device connect.
Supports baud rate range : 75bps - 115200bps , up to 6Mbps
Application for:
Parking ; bus fees
Access Control System ; card
Dining Hall ; staff attendance
Highway toll station; ATM machine
LED display of communication data
Machine PLC data reading and writing
Monitoring data read and write , and PTZ control
A variety of industrial automation ; instrumentation
Centralized control of household electrical appliances
Package include:
4Pcs USB to RS485 Adapters