Advantech USB-4702 Manual de usuario

USB-4702

10 kS/s, 12-bit, USB

Multifunction Module

User Manual

USB-4702 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.

1st Edition

Printed in Taiwan August 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-4702 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 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

3.2.2 I/O Connector Signal Description ............... 13

Table 3.1:I/O Connector Signal Description ............... 13

3.3 Analog Input Connections............................................... 13

3.3.1 Single-ended Channel Connections ............................. 13

Figure 3.2:Single-Ended Input Channel Connection ... 14

3.3.2 Differential Input Connections .................................... 14

Figure 3.3:Differential Input Channel Connection ...... 15

3.4 Analog Output Connections (Voltage)............................ 15

Figure 3.4:Analog Output Channel Connections ......... 15

3.5 External Trigger Source Connections ............................. 16

3.6 Field Wiring Considerations ........................................... 16

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

A.1 Analog Input ................................. 18

A.2 Analog Output ................................ 19

A.3 Non-Isolated Digital Input/Output ................ 19

A.4 Counter ..................................... 19

A.5 General ............................................................................ 19

USB-4702 User Manual vi

CHAPTER

Introduction

This chapter will provide information

on the features of the DAS module, a

quick start guide for installation, and

some brief information on software and

accessories for USB-4702 Module.

Sections include:

• Features

• Software Overview

USB-4702 User Manual 2

Chapter 1 Introduction

Thank you for buying the Advantech USB-4702 data acquisition module.

The Advantech USB-4702 is a powerful data acquisition (DAS) module

for the USB port. It features a unique circuit design and complete func-

tions for data acquisition and control.

1.1 Features

USB-4702 has the most requested measurement & control functions:

• 8 single-ended/ 4 differential or combination analog input channels

• 12-bit resolution A/D converter, with up to 10 kS/s sampling rate

• 8 digital input & 8 digital output channels (TTL Level)

• 2 analog output channels

• 16-bit programmable counter/timer x 1

• Programmable gain for each analog input channel

• Automatic channel/gain scanning

• Onboard 512K samples FIFO buffer for AI channels

• Bus-powered

• Supports high-speed USB 2.0

• Auto calibration function

• Hot swappable

Note: The USB chip on your system may have a limitation on

the number of USB devices it will support. Normally,

only five USB-4702 devices can be supported.

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

USB-4702 requires 500 mA (max.). This means that if

an USB hub is used, it will need an external power sup-

ply to support more than one USB-4702 device.

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

After you install the examples, (in CD-ROM:\Example\) the example

source code can be found under the corresponding installation folder such

as the default installation path:

\Program Files\Advantech\ADSAPI\Examples

USB-4702 User Manual 4

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