B&B Electronics 485USBTB-4W 用户手册
Pn7942r1-485USBTB-xW-0712ds page 1/4
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European Office: Westlink Commercial Park Oranmore Co. Galway Ireland +353 91 792444 Fax +353 91 792445
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Specifications
Serial Technology
RS-485 2-Wire
Data A(-), Data B(+), Ground
RS-485 4-Wire
TDA(-), TDB(+), RDA(-), RDB(+), Ground
Connector
Removable Terminal Block (28 to 16 AWG)
Data Rate
Up to 921.6 Kbps
USB Technology
Connector
USB Type B Female (High Retention)
Standard
2.0 (Backward Compatible)
Data Rate
12 Mbps
Power
Source
USB Port
Input Voltage
5 VDC
Consumption
~ 0.5 W (Low power device, draws less than
100 mA)
Software
Driver CD
Windows 98, ME, 2000, XP, Vista
Mechanical
Dimensions
2.6 x 1.3 x .6 in (6.5 x 3.2 x 1.6 cm)
Enclosure
In-line mounted, plastic
Weight
0.23 lbs (104.3 g) with USB Cable
Environmental
Operating Temp
32 to 158°F (0 to70 °C)
Storage Temp
-40 to 185 °F (-40 to 85 °C)
Op Humidity
0 to 95 % (Non-condensing)
MTBF
1869313 hours
MTBF Method
Parts Count Reliability Prediction
Regulatory
Approvals
FCC, CE
Ordering Information
Model Number
Description
485USBTB-2W
USB to RS-485 2-Wire Converter
485USBTB-4W
USB to RS-485 4-Wire Converter
485USBTB-2W-LS
USB to RS-485 2-Wire Converter (Locked
Serial Number)
485USBTB-4W-LS
USB to RS-485 4-Wire Converter (Locked
Serial Number)
Accessories
USBAMBM-3F
3 ft (1 M) USB Cable (One Included)
7372
Replacement TB (One Included)
485USBTB-2W & 485USBTB-4W
USB to RS-485 Mini-Converter
Connect RS-485 Devices to your USB Port
Perfect for Field Service Applications
Small
– Fits easily into any laptop bag
USB Port Powered
USB 2.0 (12 Mbps) Compatible
RS-485 Data rates up to 921.6 Kbps
Removable Terminal Block for Easy Wiring
High Retention USB Connector
Supports Windows 98, ME, 2000, XP, & Vista
Universal Serial Bus (USB) has become the
connectivity workhorse of today’s PCs, replacing the
familiar serial ports. However, many commercial
and industrial devices still use the RS-485 interface.
To connect these devices to modern PCs, you need
a simple and reliable conversion solution. The
485USBTB-2W and 485USBTB-4W offer this
solution in a space saving, USB Port powered
package. Simply plug the converter into an available
USB port on your computer or USB hub and install
the drivers supplied on CD ROM. The device will
show up as an additional COM port in the Windows
Device Manager which is fully compatible with your
Windows applications. Select the 485USBTB-2W
for RS-485 2-wire applications or the 485USBTB-
4W for RS-485 4-wire applications. Locked serial
number versions are also available (see the
installation notes in the driver section). A one meter
USB cable is included. Remember, when it comes
to USB to Serial Conversion, B&B Electronics
Ulinx™ brand is your number one choice.