Instruction/ maintenance manual of the product 48/24-Channel Digital Input/Output USB Module USB-4751/4751L Advantech
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USB-4751/4751L 48/24-Channel Digit al Input/Output USB Module User Manual.
USB-4751/4751L User Manua l ii Copyright The documentati on and the software included with this product are copy- righted 2006 by Advantech Co., Ltd. All rights are reserved. Advan tech Co., Ltd. reserves the right to make improvements in the products described in this ma nual at any time without notice.
iii Product W a rranty (2 years) Advantech warrants to you, the original purchas er , that each of its prod- ucts will be free from defects in materials and workma nship for two years from the date of purchase.
USB-4751/4751L User Manua l iv CE This product has passed the CE test for environmen tal specifications when shielded cables are used for external wiring. W e recommend the use of shielded cables. Th is kind of cable is available from Advantech. Please contact your local suppl ier for ordering information .
v Table of Contents Contents Chapter 1 Introd uction ..................................................... 2 1.1 Hardware Features........... ........... .................... ................... 2 1.2 Software Overview ............... ............ ...
USB-4751/4751L User M anual vi.
2 CHAPTER 1 Introduction Sections include: • Hardware Features • Software Overview.
USB-4751/4751L User M anual 2 Chapter 1 Introduction Thank you for buy ing the Advantech’ s USB-4751/4751L d ata acquisition module. The Ad vantech USB-4751/4751 L is a p owerful data acq uisition (DAS) modu le for t he USB port . It features a unique circuit design and complete fu nctions for data acquisition an d control.
3 Chapter 1 1.2 Sof tware Overview Advantech offers a rich set of DLL dr ivers, third-party driver support and application soft ware on the compan ion CD-ROM to help fully expl oit the functions of y our device.
USB-4751/4751L User M anual 4.
2 CHAPTER 2 Inst allation Sections include: • Unpacking • Driver Installatio n • Hardware Installation • Hardware Uninst allation.
USB-4751/4751L User M anual 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 fol lowing items: • USB-4751/4751L Module • Shield ed USB 2. 0 Cable (1 .
7 Chapter 2 2.2 Driver Inst allation W e reco mmend you install the soft ware driver before you install th e USB-4751/4751 L module i nto your system, sin ce this will g uarantee a smooth installati on process.
USB-4751/4751L User M anual 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 tartPr ogramsAdvantech A.
9 Chapter 2 2.3 Hardware Inst allation After the DLL driver installation is comp leted, you can now go on to install the USB-4751 /4751L module in any USB port that supports the USB 1.1/2. 0 standard , on your comput er . Please follow the steps below to install the modu le on your syst em.
USB-4751/4751L User M anual 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 dia log box St e p 4 : Unplug your USB device from the USB port.
2 CHAPTER 3 Signal Connecti ons Sections include: • Overview • Digital I/O Connectio ns • Field W iring Consideration s.
USB-4751/4751L User M anual 12 Chapter 3 Signal Connections 3.1 Overview Maintainin g good signal connections is one of the most im portant factors in ensuring that your application system is sending and receiv ing data correctly . A good si gnal connection can avoid unnecessary and costly damage to your PC and ot her hardware devices.
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 M anual 14 3.2.2 I/O Connector Signal Descri ption 3.2.3 LED Indicator S tatu s Description The USB Module is equipped with a LED indicator to show the current status of th e device. When you plug the U SB device into the USB po rt, the LED indicator w ill blink five times 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 Digit al Input Each digital input channel accepts ei ther dry contact or 0 ~ 5 VDC wet contact input s. Dry contact capability allo ws the channel to respond to changes in external circuitry (e.
USB-4751/4751L User M anual 16 3.4 Field Wiring Considerations • When you use USB-4751/4751L t o acquire data from outside, noises in the environment might si gnificantly af fect the accuracy of your mea- surements if due cautions are not ta ken.
2 APPENDIX A S pecifications.
USB-4751/4751L User M anual 18 Appendix A S pecifications A.1 Digit al Input/Output A.2 Counter A.3 Gener al Channels 48 Bi-directional (24 for USB-4751L) Programming Mode 8255 PPI Mode0 Input V olt age Low 0.8 V max High 2.0 V min Output V olt age Low 0.
An important point after buying a device Advantech 48/24-Channel Digital Input/Output USB Module 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 Advantech 48/24-Channel Digital Input/Output USB Module 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 Advantech 48/24-Channel Digital Input/Output USB Module USB-4751/4751L - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Advantech 48/24-Channel Digital Input/Output USB Module 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 Advantech 48/24-Channel Digital Input/Output USB Module USB-4751/4751L will certainly help you make a decision on the purchase.
If you already are a holder of Advantech 48/24-Channel Digital Input/Output USB Module 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 Advantech 48/24-Channel Digital Input/Output USB Module USB-4751/4751L.
However, one of the most important roles played by the user manual is to help in solving problems with Advantech 48/24-Channel Digital Input/Output USB Module USB-4751/4751L. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Advantech 48/24-Channel Digital Input/Output USB Module 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
