B+B SmartWorx USPTL4 Quick Start Manual

Product Overview

Front View
USB Port LED
Indicators
DIP Switches
Back View
Install Drivers
1
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.
Vista users should use an account with
administrative rights to load the drivers.
After connecting the device you can check
Device Manager to learn which Com port
number was assigned (Control Panel/
System/Hardware/Device Manager/Ports LPT
& COM).
You can re-assign COM numbers by clicking
the Advanced Settings button on the Port
Settings screen.
2 Set DIP Switches
OFF=left
DIP Switch Position
Switch
Serial
Connector
TD always enabled
1
(TD 422)
RD always enabled
2
(ECHO ON)
3
4-wire mode (4-Wire)
4
4-wire mode (4-Wire)
3 Wire the Converter
2-Wire RS-485
• All DIP Switches = ON
USOPTL4 or USPTL4
ON=right
OFF ON
TD only enabled during
data transmission (TD 485)
RD disabled during data
transmission (ECHO OFF)
2-wire mode (2-Wire)
2-wire mode (2-Wire)
2 Wire Set-up
RS-485
TDA (-)
NEG (-)
TDB (+)
POS (+)
RDA (-)
RDB (+)
GND GND
4-Wire RS-422/485
• RS-422 = All DIP Switches off
• RS-485 = DIP 1 ON, DIP 2, 3 and 4 OFF
4 Wire Set-up
USOPTL4 or USPTL4 RS-422/485
TDA (-)
RDA (-)
TDB (+)
RDB (+)
RDA (-)
TDA (-)
RDB (+)
TDB (+)
GND
GND
4 Loopback Test
• 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.
5
Check LEDs
When everything is installed and connected
the LEDs will blink to let you know that data
traffic is passing through the converter