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USB to RS485 Converters

The USB485 is a fully automatic plug-and-play USB module that connects to your PC via the Universal Serial Bus (USB) port and provides USB to RS485 protocol conversion.

The USB-485 provides excellent protection for the PC and has transient spike supression on the RS485 and USB data lines. In addition, the USB-485 is rated for industrial extended temperature range.

It provides a robust RS485 communications port with fully automatic RS485 flow control. Simply use the standard comport or tty interface to automtically connect to RS485 over USB.

Device drivers are built into Windows 7 and Linux. All other operating systems are well supported including: MAC OS X, Windows XP, Windows 2000, etc.



Model Interface Style Distance Temperature Documentation Price
USB-485 USB 'B'

RS485 terminals
standard 4000 feet -40°C to +85°C $49.00

Model USB-485
USB-485

Click images to enlarge
Specifications: USB to RS485 Converters
RS485 Data Rates 300 bps to 3.0 Mbps (depending on OS and drivers)
RS485 Distance Up to 4000 ft.
RS485 Connection Terminal block for A/B data lines
USB Data Rate 12 Mbps
USB Distance 6 foot cable
USB Connection USB B female
Status LED's Red RS485 TX
Green RS485 RX
Yellow LED USB Power
Power Requirements USB Bus Powered (250 ma. maximum, < 90 ma. typical)