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USB-4751/4751L

48/24-Channel Digital 
Input/Output USB Module

User Manual

Summary of Contents for 48/24-Channel Digital Input/Output USB Module USB-4751/4751L

Page 1: ...USB 4751 4751L 48 24 Channel Digital Input Output USB Module User Manual...

Page 2: ...y any means without the prior written permission of Advantech Co Ltd Information provided in this manual is intended to be accurate and reli able However Advantech Co Ltd assumes no responsibility for...

Page 3: ...lacement materials service time and freight Please consult your dealer for more details If you think you have a defective product follow these steps 1 Collect all the information about the problem enc...

Page 4: ...ame and serial number Description of your peripheral attachments Description of your software operating system version appli cation software etc A complete description of the problem The exact wording...

Page 5: ...nections 12 3 1 Overview 12 3 2 I O Connectors 12 3 2 1 Pin Assignments 12 Figure 3 1 I O Connector Pin Assignment 12 Figure 3 2 Opto 22 CN1 CN2 13 3 2 2 I O Connector Signal Description 14 Table 3 1...

Page 6: ...USB 4751 4751L User Manual vi...

Page 7: ...2 CHAPTER 1 Introduction Sections include Hardware Features Software Overview...

Page 8: ...lates mode 0 of 8255 PPI Buffered circuits for higher driving capacity than 8255 Interrupt handling Timer Counter interrupt capability Supports both dry and wet contact 50 pin Opto 22 compatible box h...

Page 9: ...n the Device Drivers Manual for your reference Please refer to the corresponding sections in these chap ters on the Device Drivers Manual to begin your programming efforts You can also look at the exa...

Page 10: ...USB 4751 4751L User Manual 4...

Page 11: ...2 CHAPTER 2 Installation Sections include Unpacking Driver Installation Hardware Installation Hardware Uninstallation...

Page 12: ...the module from the antistatic plastic bag you should take following precautions to ward off possible ESD damage Touch the metal part of your computer chassis with your hand to dis charge static elec...

Page 13: ...51 4751L module into your system since this will guarantee a smooth installation process The 32 bit DLL driver Setup program for the USB 4751 4751L module is included on the companion CD ROM that is s...

Page 14: ...nual 8 For further information on driver related issues an online version of the Device Drivers Manual is available by accessing the following path Start Programs Advantech Automation Device Manager D...

Page 15: ...d at Start Programs Advantech Automation Advantech Device Man ager Device Driver s Manual 2 4 Hardware Uninstallation Though the Advantech USB modules are hot swappable we still recom mend you to foll...

Page 16: ...dvantech USB 4751 L Device and press Stop Button Figure 2 2 Stop a Hardware device dialog box Step4 Unplug your USB device from the USB port Note Please make sure that you have closed the application...

Page 17: ...2 CHAPTER 3 Signal Connections Sections include Overview Digital I O Connections Field Wiring Considerations...

Page 18: ...and receiving data correctly A good signal connection can avoid unnecessary and costly damage to your PC and other hardware devices 3 2 I O Connectors USB 4751 4751L is equipped with one plug in screw...

Page 19: ...18 GND 17 PB17 18 GND 19 PB06 20 GND 19 PB16 20 GND 21 PB05 22 GND 21 PB15 22 GND 23 PB04 24 GND 23 PB14 24 GND 25 PB03 26 GND 25 PB13 26 GND 27 PB02 28 GND 27 PB12 28 GND 29 PB01 30 GND 29 PB11 30 G...

Page 20: ...GND Input Out put Digital input output port B channel 0 7 channel 10 17 PC 0 7 10 17 GND Input Out put Digital input output port C channel 0 7 channel 10 17 5V_OUT GND Output 5V DC power C 1 2 _Out G...

Page 21: ...ontact capability allows the channel to respond to changes in external circuitry e g the closing of a switch in the external circuitry when no voltage is present in the external circuit Figure 3 3 sho...

Page 22: ...analog signal cables away from any video monitor since it can significantly affect a data acquisition system If the cable travels through an area with significant electromagnetic interference you sho...

Page 23: ...2 APPENDIX A Specifications...

Page 24: ...dependent Resolution 32 bit counters low 16bit by hardware and high 16bit by ARM Compatibility TTL compatible logical level input Base Clock External 8MHz max 2 independent program mable clock sources...

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