Advantech USB-4751 User manual

USB-4751/4751L

48/24-Channel Digital

Input/Output USB Module

User Manual

USB-4751/4751L User Manual ii

The documentation and the software included with this product are copy-

righted 2009 by Advantech Co., Ltd. All rights are reserved. Advantech

Co., Ltd. reserves the right to make improvements in the products

described in this manual at any time without notice. No part of this man-

ual may be reproduced, copied, translated or transmitted in any form or

by any means without the prior written permission of Advantech Co., Ltd.

Information provided in this manual is intended to be accurate and reli-

able. However, Advantech Co., Ltd. assumes no responsibility for its use,

nor for any infringements of the rights of third parties, which may result

from its use.

Acknowledgements

Intel and Pentium are trademarks of Intel Corporation.

Microsoft Windows and MS-DOS are registered trademarks of

Microsoft Corp.

All other product names or trademarks are properties of their respective

owners.

Part No. 2003475100 1st Edition

Printed in Taiwan July 2009

iii

Product Warranty (2 years)

Advantech warrants to you, the original purchaser, that each of its prod-

ucts will be free from defects in materials and workmanship for two years

from the date of purchase.

This warranty does not apply to any products which have been repaired or

altered by persons other than repair personnel authorized by Advantech,

or which have been subject to misuse, abuse, accident or improper instal-

lation. Advantech assumes no liability under the terms of this warranty as

a consequence of such events.

Because of Advantech’s high quality-control standards and rigorous test-

ing, most of our customers never need to use our repair service. If an

Advantech product is defective, it will be repaired or replaced at no

charge during the warranty period. For out-of-warranty repairs, you will

be billed according to the cost of replacement materials, service time and

freight. Please consult your dealer for more details.

If you think you have a defective product, follow these steps:

1. Collect all the information about the problem encountered. (For

example, CPU speed, Advantech products used, other hardware

and software used, etc.) Note anything abnormal and list any

onscreen messages you get when the problem occurs.

2. Call your dealer and describe the problem. Please have your man-

ual, product, and any helpful information readily available.

3. If your product is diagnosed as defective, obtain an RMA (return

merchandize authorization) number from your dealer. This allows

us to process your return more quickly.

4. Carefully pack the defective product, a fully-completed Repair and

Replacement Order Card and a photocopy proof of purchase date

(such as your sales receipt) in a shippable container. A product

returned without proof of the purchase date is not eligible for war-

ranty service.

5. Write the RMA number visibly on the outside of the package and

ship it prepaid to your dealer.

USB-4751/4751L User Manual iv

This product has passed the CE test for environmental specifications

when shielded cables are used for external wiring. We recommend the use

of shielded cables. This kind of cable is available from Advantech. Please

contact your local supplier for ordering information.

Technical Support and Assistance

Step 1. Visit the Advantech web site at www.advantech.com/support

where you can find the latest information about the product.

Step 2. Contact your distributor, sales representative, or Advantech's cus-

tomer service center for technical support if you need additional

assistance. Please have the following information ready before

you call:

- Product name and serial number

- Description of your peripheral attachments

- Description of your software (operating system, version, appli-

cation software, etc.)

- A complete description of the problem

- The exact wording of any error messages

Document Feedback

To assist us in making improvements to this manual, we would welcome

comments and constructive criticism. Please send all such - in writing to:

[email protected]

Safety Precaution - Static Electricity

Follow these simple precautions to protect yourself from harm and the

products from damage.

1. To avoid electrical shock, always disconnect the power from your

PC chassis before you work on it. Don't touch any components on

the CPU card or other cards while the PC is on.

2. Disconnect power before making any configuration changes. The

sudden rush of power as you connect a jumper or install a card may

damage sensitive electronic components.

v Table of Contents

Contents

Chapter 1 Introduction ..................................................... 2

1.1 Hardware Features............................................................. 2

1.2 Software Overview............................................................ 3

1.2.1 More on the CD ............................................................. 3

Chapter 2 Installation ....................................................... 6

2.1 Unpacking ......................................................................... 6

2.2 Driver Installation ............................................................. 7

2.3 Hardware Installation ........................................................ 9

2.4 Hardware Uninstallation ................................................... 9

Figure 2.1:Unplug or Eject Hardware Dialog .............. 10

Figure 2.2:Stop a Hardware device dialog box ............ 10

Chapter 3 Signal Connections ........................................ 12

3.1 Overview ......................................................................... 12

3.2 I/O Connectors ................................................................ 12

3.2.1 Pin Assignments .......................................................... 12

Figure 3.1:I/O Connector Pin Assignment .................. 12

Figure 3.2:Opto-22 CN1/CN2 ..................................... 13

3.2.2 I/O Connector Signal Description ................................ 14

Table 3.1:I/O Connector Signal Description ............... 14

3.2.3 LED Indicator Status Description ................................ 14

Table 3.2:LED Indicator Status Description ................ 14

3.3 Digital I/O Connections .................................................. 15

3.3.1 Dry Contact Support for Digital Input ......................... 15

Figure 3.3:Digital Input Connections .......................... 15

3.4 Field Wiring Considerations ........................................... 16

Appendix A Specifications ................................................. 18

A.1 Digital Input/Output ........................................................ 18

A.2 Counter ............................................................................ 18

A.3 General ............................................................................ 18

USB-4751/4751L User Manual vi

CHAPTER

Introduction

Sections include:

• Hardware Features

• Software Overview

USB-4751/4751L User Manual 2

Chapter 1 Introduction

Thank you for buying the Advantech’s USB-4751/4751L data acquisition

module. The Advantech USB-4751/4751L is a powerful data acquisition

(DAS) module for the USB port. It features a unique circuit design and

complete functions for data acquisition and control.

1.1 Hardware Features

USB-4751/4751L features excellent measurement & control functions:

• 48/24 TTL digital I/O lines

• 50-pin Opto-22 compatible box header

• Emulates mode 0 of 8255 PPI

• Buffered circuits for higher driving capacity than 8255

• Interrupt handling

• Timer/ Counter interrupt capability

• Supports both dry and wet contact

• 50-pin Opto-22 compatible box header

• Compatible with USB 1.1/2.0

• Bus-powered

Note: You can install up to sixteen USB-4751/4751L’s

to a system because of the restriction of device

BoardID

Note: The power output of an USB port is 500 mA,

while the USB-4751/4751L requires 500mA

(Max.). This means that if an USB hub is used, it

will need an external power supply to support

more than one USB-4751/4751L device.

Note: For detailed specifications of USB-4751/4751L,

please refer to Appendix A, Specifications.

3 Chapter1

1.2 Software Overview

Advantech offers a rich set of DLL drivers, third-party driver support and

application software on the companion CD-ROM to help fully exploit the

functions of your device. Advantech’s Device Drivers feature a complete

I/O function library to help boost your application performance and work

seamlessly with development tools such as Visual C++, Visual Basic,

Inprise C++ Builder, and Inprise Delphi.

1.2.1 More on the CD

For instructions on how to begin programming in each development tool,

Advantech offers some tutorial chapters in the Device Drivers Manual for

your reference. Please refer to the corresponding sections in these chap-

ters on the Device Drivers Manual to begin your programming efforts.

You can also look at the example source code provided for each program-

ming tool, since they can get you very well oriented.

The Device Drivers Manual can be found on the companion CD-ROM.

Alternatively, if you have already installed the Device Drivers on your

system, The Device Drivers Manual can be readily accessed through the

Start button:

Start/Programs/Advantech Automation/Advantech Device Manager /

Device Driver’s Manual

The example source code can be found under the corresponding installa-

tion folder such as the default installation path:

\Program Files\Advantech\ADSAPI\Examples

USB-4751/4751L User Manual 4

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