USB to RS-485 Converters
The USB-485 is a fully automatic plug-and-play USB module that
connects to your PC via the Universal Serial Bus (USB) port
and provides robust USB to RS-485 protocol conversion with fully automatic RS-485
flow control. Simply use the standard comport or tty interface to
automtically connect to RS-485 over USB.
It provides excellent protection for the PC and has transient spike
supression on the RS-485 and USB data lines. In addition, the USB-485
is rated for industrial extended temperature range.
- Fully automatic RS-485 multi-drop via USB
- RS-485 speeds from 300 bps to 3.0 Mbps (OS dependent)
- Up to 32 RS-485 nodes on a single twisted pair
- USB High Speed 12.0 Mbps (USB 2.0 compliant)
- USB bus powered (fuse protected - auto reset fuse)
- Transient suppression on USB and RS-485
- ESD protected to 15kV (RS-485 transceiver)
- TX, RX, and Power LED indicators
- Extended temperature -40°C to 85°C
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.
| USB-485 |
USB 'B' RS485 terminals |
standard |
4000 feet |
-40°C to +85°C |
|
$49.00 |
 |
|

USB-485
Click images to enlarge |
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Specifications: USB to RS-485 Converters |
| RS-485 Data Rates |
300 bps to 3.0 Mbps (depending on OS and drivers) |
| RS-485 Flow Control |
Fully automatic RS-485 drive enable multi-drop |
| RS-485 Distance |
Up to 4000 ft. |
| RS-485 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 RS-485 TX
Green RS-485 RX
Yellow LED USB Power |
| Power Requirements |
USB Bus Powered (250 ma. maximum, < 90 ma. typical) |
| Temperature |
Extented -40°C to +85°C |
|