in-line usB Converters
USOPTL4 & USPTL4
ProduCt Features
2000 V RMS optical isolation
15KV ESD surge protection
Adds a COM port to your PC
LEDs for transmit and receive lines
USB 1.0, 1.1 and 2.0 compatible (12 Mbps)
Automatic configuration on Windows 98, ME, 2000, XP, Vista.
7 (32/64 bit), 8 (32/64 bit)
• No power supply required (powered from USB bus)
•
•
•
•
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Models USOPTL4 and USPTL4 are USB to one port RS-422/485 converters.
Supporting 2-wire RS-485 or 4-wire RS-422/485 communications, these
devices are great for applications requiring long range or multi-drop
capabilities. Both models use pluggable terminal blocks on the RS-422/485
side. Two LEDs indicate data transmit or receive. Model USOPTL4 includes
circuitry with 2000 Volts isolation protection against ground loops and
voltage spikes. Both products draw power from the USB port so no power
supply is required.
Simply install the drivers supplied on CD ROM and plug the converter into
an available USB port on your computer or USB hub. The device show
ups as an additional COM port in the Windows Device Manager, and is
compatible with Windows applications.
Universal Serial Bus (USB) has become the connectivity workhorse
of today’s PCs, replacing classic serial ports. But many commercial
and industrial devices still use RS-422/485 interfaces. To connect
these devices to modern PCs you need robust and reliable conversion
solutions. USB ports are becoming more common on commercial and
industrial equipment such as point-of-sale peripherals, medical devices,
scientific instrumentation, laboratory equipment and other devices or in
environments where surges, spikes and ground loops are likely to occur.
rS-485 Control
No special software is required to control the RS-485 receiver or transmit
line driver. The driver is automatically enabled during each byte transmitted
in RS-485 mode. The transmitter is always enabled in RS-422 mode.
The receiver is tri-stated during each byte transmitted in the echo-off
mode. The receiver is always enabled in the echo-on mode. There are
4.7k Ohm pull-up/pull-down resistors on the RDA and RDB lines. A
termination resistor may be added to R16 if needed. See B&B’s RS-422/
RS-485 Application Note (available on our website) for more information on
termination and DC biasing of an RS-485 network.
ordering inFormation
Model nuMBer
deSCriPtion
USOPTL4
Isolated RS-422/485 Inline USB Converter
USOPTL4-LS
Locked Serial Number Version of USOPTL4
USPTL4
Non-isolated RS-422/485 Inline USB Converter
USPTL4-LS
Locked Serial Number Version of USPTL4
aCCessories
9PAMF6
- DB9 to DB9 serial cable, male to female, 6 ft. (1.8 m)
TB5P508SR-2PK
- 5-position terminal block with strain relief paddle board, 2 pack
locked Serial numbers explained
We configure our single-port USB to serial converters in two ways. In
standard format, each product has a unique serial number. “Locked serial”
format uses the same serial number that is associated with a model type.
If your converter will always be used with the same computer, the standard
serialized model is all you need. If the converter is shared among several
computers, like field service laptops, the locked serial number model lets
you plug and play without having to worry about matching the two.
locked
Serial
number
-
✔
description
Every unit is assigned a unique COM port
Same type model numbers shares the same COM port
Ideal applications
Serialized
✔
-
Fixed
Locations
Field
Service
When ordering Locked Serial Number versions, add a “-LS” to the item
number. Serialized and Lock Serial Number versions sell for the same price.
364
www
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bb
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elec
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USOPTL4 & USPTL4_3713ds
in-line usB Converters
USOPTL4 & USPTL4
sPeCiFiCations
Serial teChnology
RS-422/485 4-Wire
TDA(-), RDA(-), TDB(+), RDB(+), GND
RS-485 2-Wire
DATA A(-), DATA B(+), GND
Connector
Terminal block
Data Rate
460.8 Kbps
Isolation
2 kV RMS
Surge Protection
15kV ESD
Industrial Bus
Modbus ASCII/RTU
Bias
4.7 KΩ on receive lines in RS-422/485 mode
uSB teChnology
USB Compatibility
1.1 and 2.0
Speed
1.5, 12 Mbps
Type B High Retention
Connector
(15 N / 3.4 lbs-force withdrawal)
Windows 2000, XP (32/64 bit), Vista (32/64 bit),
Operating System
7 (32/64 bit), 8 (32/64 bit),
2003 & 2008 Server (32/64 bit)
Power
USB
Low power device (draws <100 mA)
indiCatorS
LEDs
Transmit data, Receive data
MeChaniCal
Dimensions
8.9 x 4.3 x 2.1 cm (3.5 x 1.7 x 0.8 in)
Enclosure
IP 30, Plastic
MTBF USOPTL4
311,327 hours
MTBF USPTL4
1,012,584 hours
MTBF Calc. Method
MIL 217F Parts Count Reliability
enVironMental
Operating Temperature
0 to 70°C (32 to 158°F)
Operating Humidity
0 to 95% Non-condensing
aPProValS / CertiFiCationS
Emissions EN 55022: 2010 + AC:2011 Class B Emissions
CE
EN 61000-6-1: 2007 Generic Standards for Residential, Commercial
and Light-Industrial Environments
EN 61000-4-2: 2009 Electro-Static Discharge (ESD)
EN 61000-4-3: 2006 +A1 +A2 +IS1 Radiated Field Immunity (RFI)
EN 61000-4-4: 2012 Electrical Fast Transients-Burst Immunity (EFT)
EN 61000-4-6: 2009 Conducted Immunity
meCHaniCal diagram
4.3 cm
1.7 in
4.3 cm
1.7 in
8.9 cm
3.5 in
8.9 cm
3.5 in
2.1 cm
0.8 in
2.1 cm
0.8 in
orders@bb-elec.com
support@bb-elec.com
www
.
bb
-
elec
.
com
365
International Office: 707 Dayton Road PO Box 1040 Ottawa, IL 61350 USA 815-433-5100 Fax 433-5104
European Office: Westlink Commercial Park Oranmore Co. Galway Ireland +353 91 792444 Fax +353 91 792445
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