Instruction/ maintenance manual of the product USB-4751/4751L B&B Electronics
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USB-4751/4751L 48/24-Channel Digit al Input/Output USB Module User Manual.
USB-4751/4751L User Manual ii Copyright The documentation and th e software included with this product are copy- righted 2006 by Advantech Co., Lt d. All rights are reserved. Advantech Co., Ltd. reserves the right to make improvements in the products described in this manual at any time wi thout notice.
iii Product W arra nty (2 years) Advantech warrants to you, the original purchaser , that each of its prod- ucts will be free from defects in mat erials and workm anship for two years from the date of purchase.
USB-4751/4751L User Manual iv CE This product has passed the CE test for environmental specificati ons when shielded cables are used for external wiring. W e recommend the use of shielded cables. This kind of cable is available from Advantech. Please contact your local supplier for orderi ng information.
v Table of Contents Contents Chapter 1 Introd uction ..................................................... 2 1.1 Hardware Features............. ....................... .................... ..... 2 1.2 Software Overview .................. .............
USB-4751/4751L User Manual vi.
2 CHAPTER 1 Introduction Sections include: • Hardware Features • Software Overview.
USB-4751/4751L User Manual 2 Chapter 1 Introduction Thank you for buying the Advantech’ s U SB-4751/4751L data acquisiti on module. The Advantech U SB-4751/4751L is a powerful data acquisition (DAS) module for the USB p ort. It features a unique circuit design and complete functio ns for data acquisition and control.
3 Chapter 1 1.2 Sof tware Overview Advantech offers a rich set of DLL dr ivers, third-party driver su pport and application software on the companion CD-R OM to help fully exploit the functions of your dev ice.
USB-4751/4751L User Manual 4.
2 CHAPTER 2 Inst allation Sections include: • Unpacking • Driver Installation • Hardware Installation • Hardware Uninstallation.
USB-4751/4751L User Manual 6 Chapter 2 Inst allation 2.1 Unp acking After receiving your USB-4751/4751L package, please inspect its con- tents first. The package shoul d contain the follow ing items: • USB-4751/4751L Module • Shielded U SB 2.0 Cable (1.
7 Chapter 2 2.2 Driver Inst allation W e reco mmend you install the software driver be fore you install the USB-4751/4751L module into your system , since this will g uarantee a smooth installation process.
USB-4751/4751L User Manual 8 For further information on driver-related issues, an online version of the Device Drivers Manual is availabl e by accessing the following path: S tartProgramsAdvantech Aut.
9 Chapter 2 2.3 Hardware Inst allation After the DLL driver installation is completed , you can now go on to install the USB-4751/4751L m odule in any USB port that supports the USB 1.1/2.0 st andard, on your comput er . Please follow the steps below to install the modul e on your system.
USB-4751/4751L User Manual 10 Figure 2.1: Unplug or Eject Hardware Dialog St e p 3 : Select “Advantech USB-4751/L Device” and press “Stop” Button. Figure 2.2: S top a Hardware device dialog box St e p 4 : Unplug your USB device from the USB port.
2 CHAPTER 3 Signal Connections Sections include: • Overview • Digital I/O Connections • Field W iring Considerations.
USB-4751/4751L User Manual 12 Chapter 3 Signal Connections 3.1 Overview Maintaining good signal con nections is one of the most important facto rs in ensuring that your application system is sending and receiving data correctly . A good signal connection can avoid unnecessary and costly damage to y our PC and other hardware d evices.
13 Chapter 3 Figure 3.2: Opto-22 CN1/CN2 Opto-22 CN1 Opto-22 CN2 (USB-4751 Only) 1 PC07 2 GND 1 PC17 2 GND 3P C 0 6 4 G N D 3 P C 1 6 4 G N D 5P C 0 5 6 G N D 5 P C 1 5 6 G N D 7P C 0 4 8 G N D 7 P C .
USB-4751/4751L User Manual 14 3.2.2 I/O Connector Signal Description 3.2.3 LED Indicator S tatus Description The USB Module is equipped with a LED indicator to show the current status of the dev ice. When you plug the USB device i nto the USB port, the LED indicator will blink five tim es and then stay lit to indicate that it is on.
15 Chapter 3 3.3 Digit al I/O Connections 3.3.1 Dry Cont act Support for Digita l Input Each digital input channel accepts ei ther dry contact or 0 ~ 5 VDC wet contact inputs. Dry contact capability allows the channel to respond to changes in external circuitry (e.
USB-4751/4751L User Manual 16 3.4 Field Wiring Considerations • When you use USB-4 751/4751L to acquire data from outside, noi ses in the environment might si gnificantly affect the accuracy of your mea- surements if due cautions are not ta ken .
2 APPENDIX A Sp ecifications.
USB-4751/4751L User Manual 18 Appendix A Specifications A.1 Digit al Input/Output A.2 Counter A.3 General Channels 48 Bi-directional (24 for USB-475 1L) Programming Mode 8255 PPI Mode0 Input V oltag e Low 0.8 V max High 2.0 V min Output V oltage Low 0.
An important point after buying a device B&B Electronics USB-4751/4751L (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought B&B Electronics USB-4751/4751L yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data B&B Electronics USB-4751/4751L - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, B&B Electronics USB-4751/4751L you will learn all the available features of the product, as well as information on its operation. The information that you get B&B Electronics USB-4751/4751L will certainly help you make a decision on the purchase.
If you already are a holder of B&B Electronics USB-4751/4751L, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime B&B Electronics USB-4751/4751L.
However, one of the most important roles played by the user manual is to help in solving problems with B&B Electronics USB-4751/4751L. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device B&B Electronics USB-4751/4751L along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
