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B&B Electronics USB-4751/4751L manual

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Table of contents for the manual

  • Page 1

    USB-4751/4751L 48/24-Channel Digit al Input/Output USB Module User Manual[...]

  • Page 2

    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. No part of this man- ual may be reproduced, c[...]

  • Page 3

    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. This warranty does not apply t o any products which have b een repaired or altered by persons other than repair perso nnel authorized by Ad[...]

  • Page 4

    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. T echnical Support and Assistance Step 1. V [...]

  • Page 5

    v Table of Contents Contents Chapter 1 Introd uction ..................................................... 2 1.1 Hardware Features............. ....................... .................... ..... 2 1.2 Software Overview .................. .................... .................... .. 3 1.2.1 More on th e CD ................... ......... ............ [...]

  • Page 6

    USB-4751/4751L User Manual vi[...]

  • Page 7

    2 CHAPTER 1 Introduction Sections include: • Hardware Features • Software Overview[...]

  • Page 8

    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. 1.1 Hardware Features USB-475[...]

  • Page 9

    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. Advantech’ s Device Drivers feature a complete I/O function library to help boo st your application perfo rmance and work seamlessly with[...]

  • Page 10

    USB-4751/4751L User Manual 4[...]

  • Page 11

    2 CHAPTER 2 Inst allation Sections include: • Unpacking • Driver Installation • Hardware Installation • Hardware Uninstallation[...]

  • Page 12

    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 (1.8 m ) • Companion CD-ROM (D LL driver included) • User Manual The USB-4751/4751L Module h[...]

  • Page 13

    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. The 32-bit DLL driver Setup program fo r the USB-4751/4751L module is included on the com panion CD-ROM that is shipped with your module packag[...]

  • Page 14

    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 Automation Device ManagerDevice Driver’s Manual[...]

  • Page 15

    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. St e p 1 : T ouch the metal part on the su rface of your com[...]

  • Page 16

    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. Note: Please make sure that you have closed the ap plication before unplug ging the USB device,[...]

  • Page 17

    2 CHAPTER 3 Signal Connections Sections include: • Overview • Digital I/O Connections • Field W iring Considerations[...]

  • Page 18

    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. 3.2 I/O Connec[...]

  • Page 19

    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 1 4 8 G N D 9 PC03 10 GND 9 PC13 10 GND 11 P C 0 2 1 2 G N D 11 P C 1 2 1 2 G N D 13 PC01 14 GND 13 PC1 1 14 GND 15 PC00 16 GND 15 PC10 16 GND 17 PB07[...]

  • Page 20

    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. Please refer to[...]

  • Page 21

    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.g., th e closing of a switch in the external circuitry) when no voltage is presen t i[...]

  • Page 22

    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 . The following measures will be helpful to reduce possible interference running signal w ires between [...]

  • Page 23

    2 APPENDIX A Sp ecifications[...]

  • Page 24

    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 0.5 V max. @ 12mA (sink) High 3.8 V min. @ -12mA (source)(each line) 3.8 V min.@5mA(source)(high of [...]