Advantech BB-USOPTL4DR-2 User manual

www.advantech.com

707 Dayton Road | PO Box 1040 | Ottawa, IL 61350 USA

Phone: 1 (815) 433-5100 | Fax: 1 (815) 433-5109

www.advantech.com | E-mail: support@advantech-bb.com

Recommended Accessories

4-Port USB Hub

Model# BB-UHR204

Document Number: 20BB710-11250-00_r3_BB-USOPTL4DR-2_2320qsg

Before you begin, be

sure you have the following:

Model BB-USOPTL4DR-2

USB to RS-422/485 Isolated Converter

Fast and easy on the web:

www.advantech.com

+ BB-USOPTL4DR-2 Converter

+ USB Cable

+ CD ROM with Drivers

QUICK START

GUIDE

Troubleshooting

Check LEDs

Loopback Test - Optional

• Set DIP switches 1, 3, 4 to ON.

• Set DIP switch 2 to OFF.

• Use HyperTerminal or another terminal

program to conrm passage of data

through converter.

When everything is installed and connected,

the LEDs will blink to let you know that data trafc is

passing through the converter

What baud rates can be used?

Baud rates up to 921.6 Kbps.

Which USB cables can I use?

A 0.9 meters (3 ft) cable is included. Other

lengths can be purchased separately. The

maximum range for USB is 4.6 meters (15 ft).

If you need to go farther than 4.6 meters (15 ft),

Advantech B+B also sells USB extenders.

Can I get another terminal block

for Model BB-USOPTL4DR-2?

Yes. The order number is BB-TBKT2.

Product Overview

Install Drivers

Set DIP Switches

Wire the Converter

USB Port

(high retention)

LEDs

Serial

Connector

DIP

Switches

+ All DIP Switches = On

GND

RS-485BB-USOPTL4DR-2

NEG(-)

POS(+)

TDA(-)

TDB(+)

RDA(-)

RDB(+)

GND

2 Wire Set Up

2-Wire RS-485

+ RS-422 = All DIP Switches OFF

+ RS-485 = DIP 1 ON, DIP 2, 3 and 4 OFF

4-Wire RS-485

RS-422/485BB-USOPTL4DR-2

TDA(-)

TDB(+)

RDA(-)

RDB(+)

GND

4 Wire Set Up

RDA(-)

RDB(+)

TDA(-)

TDB(+)

GND

Terminal Block

The terminal block layout is top to bottom (as

viewed from a DIN rail installation). The signal

names on the front label are only visible when

the terminal block is removed.

Model BB-USOPTL4DR-2 has two terminal

blocks. In both congurations, the TB layout is

the same.

Serial

Connector

DIP Switch Position

Switch OFF ON

1TD always enabled

(RS-422)

TD only enabled during

data transmission

(RS-485)

2RD always enabled

(ECHO On)

RD disabled during data

transmission

(ECHO Off)

34-WIre Mode 2-Wire Mode

44-Wire Mode 2-Wire Mode

OFF = Left ON = Right

Terminal Block

Position Label Function

AT- TDA(-)

BT+ TDB(+)

CR- RDA(-)

DR+ RDA(+)

EGGround

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 (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.

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