Advantech USB-4750 User manual
USB-4750
32-Channel Isolated
Digital I/O USB Module
User Manual
USB-4750 User Manual ii
Copyright
The documentation and the software included with this product are copy-
righted 2006 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. 2003475000 1st Edition
Printed in Taiwan September 2006
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-4750 User Manual iv
CE
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:
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
3.2.2 I/O Connector Signal Description ................................ 13
Table 3.1:I/O Connector Signal Descriptions .............. 13
3.2.3 LED Indicator Status Description ................................ 13
Table 3.2:LED Indicator Status Description ................ 13
3.3 Isolated Digital I/O Connections..................................... 14
3.3.1 Dry/Wet Contact Support for Digital Input ................. 14
Figure 3.2:Isolated Digital Input Connections ............. 14
3.3.2 Isolated Digital Output Connections ............................ 15
Figure 3.3:Isolated Digital Output Connections .......... 15
3.4 Field Wiring Considerations ........................................... 16
Appendix A Specifications ................................................. 18
A.1 Isolated Digital Input....................................................... 18
A.2 Isolated Digital Output .................................................... 18
A.3 Isolated Counter .............................................................. 18
A.4 General ............................................................................ 18
USB-4750 User Manual vi
2
CHAPTER
1
Introduction
Sections include:
• Hardware Features
• Software Overview
USB-4750 User Manual 2
Chapter 1 Introduction
Thank you for buying the Advantech’s USB-4750 data acquisition mod-
ule. The Advantech USB-4750 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-4750 features excellent measurement & control functions:
• 32 isolated digital input/output channels
• High-voltage isolation up to 2,500 VDC on all channels
• Dry/wet contact support
• Interrupt handling capability
• High-sink current for isolated output channels (100mA max./Channel)
• Digital output value retained after hot system reset
• Programmable Power-Up States for output channels
• Wiring ternimals on module
Note: You can install up to sixteen USB-4750’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-4750 requires 350 mA (Max.).
This means that if an USB hub is used, it will
need an external power supply to support more
than one USB-4750 device.
Note: For detailed specifications of USB-4750, 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-4750 User Manual 4
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