This opto/galvanic isolated auto transmit converter, features bi-directional serial conversion from USB to RS485 in 2 wire half duplex mode using Virtual Serial COM Port.

The USB-RS485 is a complete, self powered, USB to RS485 Interface working at any baud rate up to 250k baud. It features automatic bus turn-around - any time your not transmitting the module is listening.

Uses the SN75176 tranceiver, so you can have up to 32 devices on the bus.

Manufacturer:
KMtronic LTD

Features:
- Self-powered from USB
- POWER, TX and RX LED indicators
- Automatic Bus Turnaround

USB to serial interface:
FTDI FT232RL Chip
www.ftdichip.com/Products/ICs/FT232R.htm

Power:
Fully powered from USB

Operation Range:
0°C to +80°C

Dimensions:
97 x 54 x 25 mm

Complete includes:
- One USB to RS485 module

RS485 Information:
TX−/RX− or D− as an alternative for A (low for MARK i.e. idle)
TX+/RX+ or D+ as an alternative for B (high for MARK i.e. idle)

Drivers are available to work with the following operating systems:
Windows ALL SYSTEMS,
Linux,
Mac OS X, Mac OS 9, Mac OS 8,
Windows CE.NET (Version 4.2 and greater)
Raspberry PI
Arduino ADK

The drivers listed above are all available to download for free from the FTDI website. Various 3rd Party Drivers are also available for various other operating systems - see the FTDI website for details.