Advantech 48/24-Channel Digital Input/Output USB Module USB-4751/4751L инструкция обслуживания

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

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. This warranty does not app ly to any product s which have been repaired or altered by persons other than repai r personnel authorized by Ad[...]

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

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 the CD ........ ....... ......... ....... ........[...]

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. 1.1 Hardware Features [...]

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. Advantech ’ s Device Drivers feature a complete I/O function library to hel p boost your app lication performance and w ork seamlessly w[...]

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 .8 m) • Companio n CD-ROM (D LL driver included) • User Manual The USB-4751/4751L Modu [...]

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. The 32-bit DLL driver Set up program for the USB-4751/475 1L module is included on the companion CD-RO M that is shipped with your module p[...]

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

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

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. Note: Please make sure that you have closed th e application before unp lugging the USB de vi[...]

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. 3.2 I/O Conn[...]

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[...]

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. Please refe[...]

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

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. The following measu res will be helpful to redu ce possible interference runni ng signal wires betwee[...]

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