Advantech USB-4751 User Manual
Advantech USB-4751 User Manual

Advantech USB-4751 User Manual

48/24-channel digital input/ output usb module
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User Manual
USB-4751/4751L
48/24-channel Digital Input/
Output USB Module

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Summary of Contents for Advantech USB-4751

  • Page 1 User Manual USB-4751/4751L 48/24-channel Digital Input/ Output USB Module...
  • Page 2 No part of this manual may be reproduced, copied, translated, or transmitted in any form or by any means without the prior written permission of Advantech Co., Ltd. The information provided in this manual is intended to be accurate and reliable.
  • Page 3 This product has passed the CE test for environmental specifications when shielded cables are used for external wiring. We recommend the use of shielded cables. This type of cable is available from Advantech. Please contact your local supplier for ordering information.
  • Page 4 Do not touch any components on the CPU card or other cards while the PC is powered on. Disconnect the power before making any configuration changes. A sudden rush  of power after connecting a jumper or installing a card may damage sensitive electronic components. USB-4751/4751L User Manual...
  • Page 5: Table Of Contents

    Driver Installation ..................4 Figure 2.1 XNavi Installer ............4 2.2.1 Software Development Using DAQNavi SDK ....... 5 Hardware Installation ................5 Hardware Uninstallation ................6 Figure 2.2 Uninstalling USB-4751/4751L ........6 Chapter Signal Connections ......7 Overview ....................8 I/O Connectors ..................8 3.2.1...
  • Page 6 USB-4751/4751L User Manual...
  • Page 7 Chapter Introduction Sections include:  Introduction  Features  Specifications...
  • Page 8: Chapter 1 Introduction

    DAQ devices. All these software packages are available on Advantech website: http://www.advantech.com/. The Advantech Navigator is a utility that allows you to set up, configure and test your device, and later stores your settings in a proprietary database.
  • Page 9: Chapter 2 Installation

    Chapter Installation Sections include:  Unpacking  Driver Installation  Hardware Installation  Hardware Uninstallation...
  • Page 10: Unpacking

    Unpacking After receiving your USB-4751/4751L package, please inspect its contents first. The package should contain the following items: USB-4751/4751L Module  Shielded USB 2.0 Cable (1.72 m)  User Manual  The USB-4751/4751L Module harbors certain electronic components vulnerable to electrostatic discharge (ESD).
  • Page 11: Software Development Using Daqnavi Sdk

    C:\Advantech\DAQNavi (default directory) after the finishing the installation. Hardware Installation After the driver installation is completed, 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 com- puter.
  • Page 12: Hardware Uninstallation

    Hardware Uninstallation Though the Advantech USB modules are hot swappable, we still recommend you to follow the hardware uninstallation procedure to avoid any unpredictable damage to your device or your system. Close the applications of the USB module. Open the Windows Device Manager and right click on the Advantech USB- 4751/4751L Device”.
  • Page 13: Chapter 3 Signal Connections

    Chapter Signal Connections Sections include:  Overview  Digital I/O Connections  Field Wiring Considerations...
  • Page 14: Overview

    A good signal connection can avoid unnecessary and costly damage to your PC and other hard- ware devices. I/O Connectors USB-4751/4751L is equipped with plug-in screw-terminal connectors that facilitate connection to the module without terminal boards or cables. 3.2.1 Pin Assignments Figure 3.1 I/O Connector Pin Assignment...
  • Page 15: Pin Assignments Cn1

    2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, Ground 36, 38, 40, 42, 44, 46, 48, 50 3.2.3 Pin Assignments CN2 Table 3.2: CN2 (USB-4751 only) Pin Number Pin Name Description PC17 Digital input/output port C1 channel 7 PC16...
  • Page 16: I/O Connector Signal Description

    Table 3.4: Table 3.2: LED Indicator Status Description LED Status Description ON Device ready for work ON Device ready for work Off Device not ready to work Off Device not ready to work Slow Blinking (5 times) Device Initialization Fast Blinking Device working USB-4751/4751L User Manual...
  • Page 17: Digital I/O Connections

    (DI) terminal and the digital ground (DGND) terminal is mea- sured. To prevent undetermined or fluctuating results when input is floating, the digi- tal input channel is internally pulled-up. This is shown in Figure 3.3. Figure 3.3 Digital input signal connection USB-4751/4751L User Manual...
  • Page 18: Digital Output Signal Connection (Ttl Di/O)

    (DGND) terminal is measured. To prevent undetermined or fluctuating results when input is floating, the counter input signals are internally pulled-up. This is shown in Figure 3.5. Figure 3.5 Counter input signal connection USB-4751/4751L User Manual...
  • Page 19: Counter Output Signal Connection (Ttl)

    Refer to the device specifications for the maximum source and skin current values. Field Wiring Considerations When you use USB-4751/4751L to acquire data from outside, noises in the  environment might significantly affect the accuracy of your measurements if due cautions are not taken.
  • Page 20 USB-4751/4751L User Manual...
  • Page 21: Appendix A Specifications

    Appendix Specifications...
  • Page 22: Digital Input/Output

    3.8 V min. @ 12 mA source/5.2 V max. Output Logic Value Logic Low 0.5 V max. @ 12 mA sink Load Current Per Port Summed 20 mA max. Update Type Static Response Time 120 ns max. USB-4751/4751L User Manual...
  • Page 23: General-Purpose Counter

    Power Supply Output +5 V: 100 mA max. Operation 0 ~ 60° C (32 ~140° F) Temperature Storage -20 ~ 70° C (-4 ~ 158° F) Operation 10% to 90% RH, non-condensing Relative Humidity Storage 5% to 95% RH, non-condensing USB-4751/4751L User Manual...
  • Page 24 No part of this publication may be reproduced in any form or by any means, such as electronically, by photocopying, recording, or otherwise, without prior written permission from the publisher. All brand and product names are trademarks or registered trademarks of their respective companies. © Advantech Co., Ltd. 2023...

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