Chapter 1 Introduction

Thank you for buying the USB-4750 data acquisition mod- ule. The USB-4750 is a powerful data acquisition (DAS) module for the USB port. It features a unique circuit design and complete functions for data acquisition and control.

1.1 Hardware Features

USB-4750 features excellent measurement & control functions:

32 isolated digital input/output channels

High-voltage isolation up to 2,500 VDC on all channels

Dry/wet contact support

Interrupt handling capability

High-sink current for isolated output channels (100mA max./Channel)

Digital output value retained after hot system reset

Programmable Power-Up States for output channels

Wiring ternimals on module

Note:

You can install up to sixteen USB-4750’s to a

 

system because of the restriction of device

 

BoardID

Note:

The power output of an USB port is 500 mA,

 

while the USB-4750 requires 350 mA (Max.).

 

This means that if an USB hub is used, it will

 

need an external power supply to support more

 

than one USB-4750 device.

Note:

For detailed specifications of USB-4750, please

 

refer to Appendix A, Specifications.

USB-4750 User Manual

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Omega USB-4750 manual Hardware Features