B&B Electronics USOPTL4 User manual

Set DIP Switches
Install Drivers Loopback Test
Use the included CD to install the converter’s
drivers.
Warning: To prevent installation errors, do not
plug in the hardware until you have already
installed the drivers
After connecting the device you can check
Device Manager to learn which Com port
number was assigned.
Front View
LED
Indicators
Back View
Serial
Connector
USB Port
OFF=left ON=right
Wire the Converter
Product Overview
Check LEDs
DIP Switches
2-Wire RS-485
• All DIP Switches = ON
4-Wire RS-422/485
• RS-422 = All DIP Switches off
• RS-485 = DIP 1 ON, DIP 2, 3 and 4 OFF
• Set DIP switches 1, 3, 4 to ON.
• Set DIP switch 2 to OFF.
• Use HyperTerminal or another terminal
program to confirm passage of data
through converter.
When everything is installed and connected
the LEDs will blink to let you know that data
traffic is passing through the converter
GND
RS-485USOPTL4 or USPTL4
NEG (-)
POS (+)
TDA (-)
TDB (+)
RDA (-)
RDB (+)
GND
2 Wire Set-up
RS-422/485USOPTL4 or USPTL4
TDA (-)
TDB (+)
RDA (-)
RDB (+)
GND
4 Wire Set-up
RDA (-)
RDB (+)
TDA (-)
TDB (+)
GND
DIP Switch Position
Switch OFF ON
1TD always enabled
(TD 422)
TD only enabled during
data transmission (TD 485)
2RD always enabled
(ECHO ON)
RD disabled during data
transmission (ECHO OFF)
34-wire mode (4-Wire) 2-wire mode (2-Wire)
44-wire mode (4-Wire) 2-wire mode (2-Wire)
1
2
34
5

Troubleshooting
What baud rates can be used?
Baud rates up to 921 Kbps.
What operating systems
are supported?
Windows 2000, XP, Vista, and Windows 7
Which USB cables can I use?
A one meter (3ft) cable is included. Other lengths can
be purchased separately. The maximum range for
USB is 15 ft. We sell USB extenders if you need to go
further than 15 ft.
Can I get another terminal block
for the USOPTL4?
Yes. The part number is TBKT2.
How can I test the USOPTL4 to make
sure it is working correctly?
Do a loopback test. You can find detailed
instructions at:
http://www.bb-elec.com/bb-elec/literature/
Ulinx_1-2Port_4209qsg.pdf
A quick way to test is to set the dipswitches to 485,
Echo ON, 2 wire, 2 wire. Then use HyperTerminal
to do the loopback. Visit our technical library for
instructions and screen shots:
http://www.bb-elec.com/technical_library.asp
Document number – p/n 8418 r002 USOPTL4-USPTL4 - 1412 © 2012 B&B Electronics Manufacturing Company
1-888-948-2248 | Europe: [phone]
www.bb-elec.com
Recommended Accessories
4-Port Powered USB Hub
USB Extender
UHR304
GUCE51
707 Dayton Road | PO Box 1040 | Ottawa, IL 61350
Phone: [phone] | Fax: [phone]
www.bb-elec.com | E-mail: [email protected]
http://www.bb-elec.com/USOPTL4
Fast and easy on the web: www.bb-elec.com
USOPTL4 or USPTL4
One Meter USB Cable
CD ROM with Drivers
First Things First...
Before you begin, be sure you have
the following:
USB to RS-422/485 Converters
USOPTL4 & USPTL4
Isolated Non-Isolated
http://www.bb-elec.com/USOPTL4/
ACC
http://www.bb-elec.com/USOPTL4/
ACC
Fast, Easy Answers
• First, check step 5.
• Then use your smart
phone to access complete
documentation on our
web site. Simply scan
the code to the right.