B&B Electronics USB-4751/4751L user manual Overview, I/O Connectors, Pin Assignments

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Chapter 3 Signal Connections

3.1 Overview

Maintaining good signal connections is one of the most important factors in ensuring that your application system is sending 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

USB-4751/4751L User Manual

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Contents USB-4751/4751L 48/24-Channel Digital Input/Output USB ModuleCopyright Acknowledgements Product Warranty 2 years Safety Precaution Static Electricity Technical Support and AssistanceDocument Feedback Contents Page Introduction Hardware Features Software Overview More on the CD\Program Files\Advantech\ADSAPI\Examples Page Installation Unpacking After taking out the module, you should firstDriver Installation Page Hardware Installation Hardware UninstallationUnplug or Eject Hardware Dialog Signal Connections I/O Connectors OverviewPin Assignments Opto-22 CN1 Opto-22 CN2 USB-4751 Only2 I/O Connector Signal Description LED Indicator Status DescriptionDigital I/O Connections Dry Contact Support for Digital InputField Wiring Considerations Specifications Digital Input/Output CounterGeneral