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USB-4751L-AE 24-Channel TTL Digital I/O USB Data Acquisition Module

  1. Buy this item today and get a FREE DAQ Software Development Kit (download email sent after purchase)
  2. Compatible with USB 1.1/2.0, Portable & Bus-powered
  3. 24 TTL digital I/O lines
  4. Emulates mode 0 of 8255 PPI
  5. Buffered circuits for higher driving capacity than 8255
  6. Interrupt handling, Timer/Counter interrupt capability
  7. Supports both dry and wet contact
  8. 50-pin Opto-22 compatible box header
  9. Suitable for DIN-rail mounting
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USB DAQ Modules

Advantech's USB DAQ modules, USB-5800/4700 series, are suitable for diverse industrial applications that require easy-to-install portable I/O capabilities. With its plug-and-play USB interface, users can easily extend or upgrade their system's I/O functions, especially ideal for systems without PCI/PCIe slots.

Feature Highlights
Ease of Use
  • Detachable Screw Terminal with On-Module Pin Assignment Index
  • The front-facing LED indicators, ID switch, and terminal blocks provide convenient access for easy installation and maintenance (USB-5800 series Only)
Safety and Reliability
  • Advantech provides lockable USB cables to prevent them from being unplugged accidentally.
  • Equipped with Level 3 electrostatic discharge and surge protection. (USB-5800 series only)
  • Features advanced functionalities, such as Auto Recovery, Output-Locker, and link reconnection, to ensure zero failures. (USB-5800 series only)

Support daisy chaining of up to five modules, which eliminates the need to adopt a USB hub to expand the system I/O. (USB-5800 series only)

Comparison Table
Model OS USB Type USB Transmission
Sampling Rate Watchdog &
Auto Recovery
Isolation Expandability Cable Connection OS Support
USB-4700(Basic) USB 2.0 480 Mbps 200 KS/s - - - Side Win 7
USB 3.0 5 Gbps 800 KS/s - 2500 VDC Daisy chain
up to 5 modules
Daisy chain
up to 5 modules
Front Win 10
Product Specifications
Unit: mm
USB-5800 Series
USB-4700 Series

Both series of USB DAQ modules provide easy-to-install DIN-rail mounting method.

USB-5800 Series
USB-4700 Series
Inside the Box
USB-5800 Series
Programming Language
C#, C++, LabVIEW, VB.Net, BCB, MFC, VB6, Delphi, Java, Matlab, Qt
Digital Input
24 (TTL)
Digital Output
24 (TTL)
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