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USB-4751/4751L

48/24-Channel Digital
Input/Output USB Module

User Manual

Содержание USB-4751

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

Страница 2: ...or by 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 its use nor for any infringements of the rights of third parties which may result from its use Acknowledgements Intel and Pentium are trademarks of Intel Corporation Microsoft Windows and MS DOS ...

Страница 3: ...placement 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 encountered For example CPU speed Advantech products used other hardware and software used etc Note anything abnormal and list any onscreen messages you get when the problem occurs 2 Call your dealer an...

Страница 4: ...name 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 of any error messages Document Feedback To assist us in making improvements to this manual we would welcome comments and constructive criticism Please send all such in writing to support advantech c...

Страница 5: ...nnections 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 I O Connector Signal Description 14 3 2 3 LED Indicator Status Description 14 Table 3 2 LED Indicator Status Description 14 3 3 Digital I O Connections 15 3 3 1 Dry Contact Support for Digital Input ...

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

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

Страница 8: ...ulates 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 header Compatible with USB 1 1 2 0 Bus powered Note You can install up to sixteen USB 4751 4751L s to a system because of the restriction of device BoardID Note The power output of an USB port is 500 ...

Страница 9: ...in 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 example source code provided for each program ming tool since they can get you very well oriented The Device Drivers Manual can be found on the companion CD ROM Alternatively if you have already install...

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

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

Страница 12: ...g 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 electricity accumulated on your body One can also use a grounding strap Make contact between the antistatic bag and ground before opening After taking out the module you should first Inspect the module f...

Страница 13: ...751 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 shipped with your module package Please follow the steps on the following page to install the driver software ...

Страница 14: ...anual 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 Device Driver s Manual ...

Страница 15: ...nd 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 follow the hardware un installation procedure to avoid any unpredictable damages to your device or your system Step1 Close the applications of the USB module Step2 Right click the Unplug or Eject Hardwar...

Страница 16: ...Advantech 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 before unplugging the USB device otherwise unex pected system error or damage may occur ...

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

Страница 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 terminal connector and two one for USB 4751L standard Opto 22 connectors that can be used with a variety of Advantech s wiring boards 3 2 1 Pin Assignments Figure 3 1 I O Connector Pin Assignment ...

Страница 19: ...7 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 GND 31 PB00 32 GND 31 PB10 32 GND 33 PA07 34 GND 33 PA17 34 GND 35 PA06 36 GND 35 PA16 36 GND 37 PA05 38 GND 37 PA15 38 GND 39 PA04 40 GND 39 PA14 40 GND 41 PA03 42 GND 41 PA13 42 GND 43 PA02 44 GND 4...

Страница 20: ...7 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 GND Output Output pins of counter timer 1 and 2 C 1 2 _Gate GND Input Gate control pins of counter timer 1 and 2 C 1 2 _In GND Input External clock source of counter timer 1 and 2 INT_Out GND Output I...

Страница 21: ...contact 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 shows external circuitry with both wet and dry contact components con nected as an input source to one of the card s digital input channels Figure 3 3 Digital Input Connections ...

Страница 22: ...e 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 should adopt individually shielded twisted pair wires as the analog input cable This type of cable has its signal wires twisted together and shielded with a metal mesh The metal mesh should only be conn...

Страница 23: ...2 APPENDIX A Specifications ...

Страница 24: ...ndependent 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 pro grammable clock sources Internal 20MHz max Frequency Measurement Input frequency from 0 1Hz to 10Mhz PWM Generation 2Hz to 10Mhz External Input Divide 2 to 65535 I O Connector Type Opto 22 2 and 10 pin screw terminal 1 Dim...

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