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Summary of Contents for Omega USB-4750
- Page 1 User’ s Guide Shop online at omega.com e-mail: info@omega.com For latest product manuals: omegamanual.info USB-4750 32 Channel Isolated Digital I/O USB Data Acquisition Module...
- Page 2 Approach Directives. OMEGA will add the CE mark to every appropriate device upon certification. The information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it contains, and reserves the right to alter specifications without notice.
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Page 3: User Manual
USB-4750 32-Channel Isolated Digital I/O USB Data Acquisition Module User Manual... -
Page 4: Table Of Contents
Chapter 1 Introduction ... 2 Hardware Features... 2 Software Overview... 3 1.2.1 Chapter 2 Installation ... 6 Unpacking ... 6 Driver Installation ... 7 Hardware Installation ... 9 Hardware Uninstallation ... 9 Chapter 3 Signal Connections ... 12 Overview ... 12 I/O Connectors ... - Page 5 USB-4750 User Manual...
- Page 6 Introduction Sections include: • Hardware Features • Software Overview...
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Page 7: Chapter 1 Introduction
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. -
Page 8: Software Overview
1.2 Software Overview Omega offers a rich set of DLL drivers, third-party driver support and application software on the companion CD-ROM to help fully exploit the functions of your device. The Device Drivers feature a complete I/O function library to help boost your application performance and work seamlessly with development tools such as Visual C++, Visual Basic, 1.2.1 More on the CD... - Page 9 USB-4750 User Manual...
- Page 10 Installation Sections include: • Unpacking • Driver Installation • Hardware Installation • Hardware Uninstallation...
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Page 11: Chapter 2 Installation
Chapter 2 Installation 2.1 Unpacking After receiving your USB-4750 package, please inspect its contents first. The package should contain the following items: • USB-4750 Module • Shielded USB 2.0 Cable (1.8 m) • Companion CD-ROM (DLL driver included) The USB-4750 Module harbors certain electronic components vulnerable to electrostatic discharge (ESD). -
Page 12: Driver Installation
2.2 Driver Installation We recommend you install the software driver before you install the USB-4750 module into your system, since this will guarantee a smooth installation process. The 32-bit DLL driver Setup program for the USB-4750 module is included on the companion CD-ROM that is shipped with your module package. - Page 13 For further information on driver-related issues, an online version of the Device Drivers Manual is available by accessing the following path: Start/Programs/Omega USB-4700 Series/ Device Driver’s Manual USB-4750 User Manual...
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Page 14: Hardware Installation
2.2 Driver Installation) After the DLL driver installation is completed, you can now go on to install the USB-4750 module in any USB port that supports the USB 1.1/2.0 standard, on your computer. It is suggested that you refer to the computer’s user manual if you have any doubts. -
Page 15: Figure 2.2:Stop A Hardware Device Dialog Box
Step2: Right click the “Unplug or Eject Hardware” icon on your task bar. Figure 2.1: Unplug or Eject Hardware Dialog Step3: Select “USB-4750 Device” and press “Stop” Button. Figure 2.2: Stop a Hardware device dialog box Step4: Unplug your USB device from the USB port. - Page 16 Signal Connections Sections include: • Overview • Isolated Digital I/O Connections • Field Wiring Considerations...
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Page 17: Figure 3.1:I/O Connector Pin Assignment
A good signal connection can avoid unnecessary and costly damage to your PC and other hardware devices. 3.2 I/O Connectors USB-4750 is equipped with plug-in screw-terminal connectors that facili- tate connection to the module without terminal boards or cables. 3.2.1 Pin Assignments Figure 3.1: I/O Connector Pin Assignment... -
Page 18: Table 3.1:I/O Connector Signal Descriptions
3.2.2 I/O Connector Signal Description Table 3.1: I/O Connector Signal Descriptions Signal Reference IDI<0~15> INT<0,1> INT_G INT<0,1>_ CNT<0,1> IDO<0~15> COM<0,1> 3.2.3 LED Indicator Status Description The USB Module is equipped with a LED indicator to show the current status of the device. When you plug the USB device into the USB port, the LED indicator will blink five times and then stay lit to indicate that it is on. -
Page 19: Figure 3.2:Isolated Digital Input Connections
Figure 3-1 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 3.2: Isolated Digital Input Connections USB-4750 User Manual... -
Page 20: Figure 3.3:Isolated Digital Output Connections
3.3.2 Isolated Digital Output Connections Each of 8 isolated digital output channels comes equipped with a Darling- ton transistor. Every 8 output channels share common collectors and inte- gral suppression diodes for inductive loads. Channels 0 ~ 7 use COM0, and channels 8 ~ 15 use COM1 as a common pin. -
Page 21: Field Wiring Considerations
3.4 Field Wiring Considerations • When you use USB-4750 to acquire data from outside, noises in the environment might significantly affect the accuracy of your measure- ments if due cautions are not taken. The following measures will be helpful to reduce possible interference running signal wires between signal sources and the USB-4750. - Page 22 Specifications...
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Page 23: A.3 Isolated Counter
External Input Divide A.4 General I/O Connector Type Dimensions Power Consumption 5 V @ 350 mA max. Temperature Relative Humidity USB-4750 User Manual DI0, DI8 2500 VDC 25 µs 5~50VDC, or dry contact 2500 VDC 25µs 5 ~ 40 VDC 100mA/ch. - Page 24 In no event shall OMEGA be liable for consequential, incidental or special damages. CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity;...
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Page 25: Data Acquisition
Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! Shop online at omega.com TEMPERATURE Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies Wire: Thermocouple, RTD & Thermistor Calibrators & Ice Point References Recorders, Controllers & Process Monitors...
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