B&B Electronics USR604 Quick Start Guide

Product Overview

Serial

Ports

LEDs

USB
Port

Terminal block
and barrel jack

1

Install the Drivers

DIP

Switches

3

Power the Converter

The USR602 can run on 5 V USB power if the host
port is providing 500 mA. It can also be powered
via the terminal block or barrel jack port.

4

Connect the Converter

When you connect the converter to the host
computer’s USB port the Found New Hardware
wizard will open. It will discover and install the
USB device. Then it will discover and install each
serial port. Allow Windows to install the converter
“Automatically.” There is no need to connect to the
Internet or Windows Update.

If a popup window says the software has not passed
Windows logo testing, that’s OK. Just click on
“Continue Anyway.”

click Advanced and set up the Advanced Properties.
(Refer to manual for more information.)

6

Loopback Test

Set the converter to RS-232 mode using the DIP
switches. Loopback pins 2 and 3. Using Hyper Termi­nal or similar program, connect to the COM port. Set
the desired baud rate. Ensure that Hyper Terminal
local echo is OFF. Transmit data. If the same character
string is returned, the test is good.

To prevent installation errors, do not plug in the hard­ware until you have already installed the drivers.

Use the included CD to install the converter’s drivers in
the attached PC.

2

DIP

Switches

Port 1

Port 2

Set DIP Switches

SW# RS-232 RS-422

1 Off ON Off ON
2 Off ON ON Off
3 Off ON Off ON

Off ON ON Off

4

RS-485

4-Wire

RS-485

2-Wire

When the wizard is complete the serial ports on the
converter will appear in Windows Device Manager
as new COM ports.

5

Configure the Serial Ports

Open Control Panel. Click “System” to open the
Device Manager. Under “Ports,” double-click the
port to be configured.

On the “Serial Port Properties” window, set the
required communications parameters for the system
with which you are communicating. If necessary,

7

LED
Type

PWR

TX

RX

LEDs

Indication when ON

Computer is receiving adequate
voltage and current from USB or
power source

Serial interface is transmitting data

Serial interface is receiving data

Troubleshooting

One USB port is required for each installed device.
The USB port can be native to the PC or it can be a
USB port on a USB hub that is connected to a PC.

The device works with USB 1.1 or 2.0 ports. But it
has a maximum USB data rate of 12 Mbps.

To verify the installation you may open the Windows
Device Manager. Scroll down to Ports. Expand the
flyout window. You should see the new ports. If there
are no exclamation points or other trouble indicators
the ports are installed correctly and ready for use.

Sleep & Hibernate: Windows 7 disables USB transmit
while in Sleep & Hibernate.

Terminal Block

One conductor per terminal.
Use copper wire only.
Wire size 16 to 28 AWG.
Tightening torque 5 KG -CM.
Wire temperature rating: 105 °C
(Sized for 60 °C ampacity

Information - FCC rules

This device complies with Part 15 of the FCC rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference.
(2) this device must accept any interference that may
cause undesired operation.

Information - UL Class 1 Div 2

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Fast, Easy Answers

•

Please double check
S t e p 7.

You can also use your

•

smart phone to access
complete documentation
on our website. Simply
scan the code to the right.

USR602

Two-port USB to

Serial Converter

First Things First...

Before you begin, be sure you have
the following:

Q

S

tart

G

uide

uick

Suitable for use in Class 1, Division 2, Groups A, B, C and
D Hazardous Locations, or Nonhazardous locations only.
WARNING - EXPLOSION HAZARD – DO NOT
DISCONNECT EQUIPMENT WHILE THE CIRCUIT IS LIVE
UNLESS THE AREA IS KNOWN TO BE FREE OF
IGNITABLE CONCENTRATIONS.
Install in accordance with control drawing
number 9340R0.
Ind. Cont. Eq.
For HAZ LOC
3HTV
E245458
Class I, Div. 2, Groups A, B, C & D
Temp. Code: T4A

Document number – PN8940_R004_USR602_4712qsg

1-888-948-2248 | Europe: [phone]

www.bb-elec.com

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

Phone: [phone] | Fax: [phone]
www.bb-elec.com | E-mail: [e-mail]

© 2011 B&B Electronics Manufac turing Comp any

USR602

Two Meter USB Cable

Panel mount adapters

DIN rail mount adapter

CD ROM with Drivers

Fast and easy on the web:

www.bb-elec.com