Advantech USB-4750 manuale d’uso

USB-4750 32-Channel Isolated Digit al I/O USB Module User Manual[...]

USB-4750 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, copied,[...]

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[...]

USB-4750 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 isit t[...]

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 ................. ........... ......... ..[...]

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 Adv antech’ s USB-4750 data acq uisition mod- ule. The Advantech USB-4750 is a powerful data acquisition (D AS) module for the USB port. It features a un ique circuit design and complete functions for data acquisition and con trol. 1.1 Hardware Features USB-4750 features excel[...]

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[...]

USB-4750 User Manual 4[...]

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

USB-4750 User Manual 6 Chapter 2 Inst allation 2.1 Unp acking After receiving your USB-4 750 package, please inspect its contents first. The package should contai n the followin g items: • USB-4750 Module • Shielded U SB 2.0 Cable ( 1.8 m) • Companion CD-ROM (D LL driver included) • User Manual The USB-4750 Modul e harbors certain electroni[...]

7 Chapter 2 2.2 Driver Inst allation W e reco mmend you install the software driver be fore you install the USB-4750 module into yo ur system, si nce this w ill gu arantee a smooth installation process. The 32-bit DLL driver Setup program fo r the USB-4750 module is included on th e companion CD-ROM that is shipped with your module package. Please [...]

USB-4750 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[...]

9 Chapter 2 2.3 Hardware Inst allation After the DLL driver installation is completed , you can now go on to install the USB-4750 modu le in any USB port that supp orts the USB 1.1/2.0 standard, on your computer . It is suggested that you refer to the computer ’ s user manual if you have any doubts. Please follow the steps below to install th e m[...]

USB-4750 User Manual 10 St e p 2 : Right click the “Unplug or Eject Hardware” icon on your task bar . Figure 2.1: Unplug or Eject Hardware Dialog St e p 3 : Select “Advantech USB-4750 De vice” 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 s [...]

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

USB-4750 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 Connectors U[...]

13 Chapter 3 3.2.2 I/O Connector Signal Description 3.2.3 LED Indicator S t atus 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 the following t[...]

USB-4750 User Manual 14 3.3 Isolated Digi t al I/O Connections 3.3.1 Dry/Wet Cont act Support for Digital 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 [...]

15 Chapter 3 3.3.2 Isolated Digit al Output Connections Each of 8 isolated digital out put cha nnels comes equipped with a Darling- ton transistor . Every 8 output channe ls share common co llectors and inte- gral suppression diodes for ind uctive loads. Channels 0 ~ 7 use COM0, and channels 8 ~ 15 use COM1 as a comm on pin. If an external voltage [...]

USB-4750 User Manual 16 3.4 Field Wiring Considerations • When you use USB-4750 to acquire data from outsi de, noises in the environment might signifi cantly affect the accuracy of your measure- ments if due cautions are not taken. The following measures will be helpful to reduce possible interference runnin g signal wires between signal sources [...]

2 APPENDIX A Sp ecifications[...]

USB-4750 User Manual 18 Appendix A Specifications A.1 Isolated Digit al Input A.2 Isolated Digit al Output A.3 Isolated Counter A.4 General Channels 16 Interrupt Input s DI0, DI8 Optical Isolation 2500 VDC Opto-isolator ResponseT ime 25 µ s Input V oltage 5~50VDC, or dry contact Channels 16 Optical Isolation 2500 VDC Opto-isolatorResponse Time 25 [...]