Omega USB-4750 User Manual Download

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User’s Guide

USB-4750

32 Channel Isolated Digital I/O

USB Data Acquisition Module

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Summary of Contents for USB-4750

Page 1: ...omega com e mail info omega com For latest product manuals omegamanual info User sGuide USB 4750 32 Channel Isolated Digital I O USB Data Acquisition Module Shop online at...

Page 2: ...Germany Tel 49 0 7056 9398 0 FAX 49 0 7056 9398 29 Toll Free in Germany 0800 639 7678 e mail info omega de United Kingdom One Omega Drive River Bend Technology Centre ISO 9002 Certified Northbank Irla...

Page 3: ...USB 4750 32 Channel Isolated Digital I O USB Data Acquisition Module User Manual...

Page 4: ...I O Connector Pin Assignment 12 3 2 2 I O Connector Signal Description 13 Table 3 1 I O Connector Signal Descriptions 13 3 2 3 LED Indicator Status Description 13 Table 3 2 LED Indicator Status Descr...

Page 5: ...USB 4750 User Manual vi...

Page 6: ...1 2 Introduction Sections include Hardware Features Software Overview...

Page 7: ...ort 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...

Page 8: ...nual for your reference Please refer to the corresponding sections in these chapters on the Device Drivers Manual to begin your programming efforts You can also look at the example source code provide...

Page 9: ...USB 4750 User Manual 4...

Page 10: ...2 2 Installation Sections include Unpacking Driver Installation Hardware Installation Hardware Uninstallation...

Page 11: ...g you should take following precautions to ward off possible ESD damage Touch the metal part of your computer chassis with your hand to dis charge static electricity accumulated on your body One can a...

Page 12: ...dule 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...

Page 13: ...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 Us...

Page 14: ...ive force must be avoided otherwise the module might get damaged Note In case you installed the module without installing the DLL driver first Windows 2000 XP will recognize your module as an unknown...

Page 15: ...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 Note Please make sure that you have closed the applicatio...

Page 16: ...3 2 Signal Connections Sections include Overview Isolated Digital I O Connections Field Wiring Considerations...

Page 17: ...r 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 Figu...

Page 18: ...lated output channels GND Ground 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 U...

Page 19: ...y allows the channel to respond to changes in external circuitry e g the closing of a switch in the external circuitry when no voltage is present in the external circuit Figure 3 1 shows external circ...

Page 20: ...d channels 8 15 use COM1 as a common pin If an external voltage 5 40 V is applied to an isolated output channel IDO 0 IDO 15 while it is being used as an output channel the current will flow from the...

Page 21: ...ny video monitor since it can significantly affect a data acquisition system If the cable travels through an area with significant electromagnetic interference you should adopt individually shielded t...

Page 22: ...A 2 Specifications...

Page 23: ...els 2 independent Resolution 32 bit counters low 16bit by hardware and high 16bit by firmware Base Clock External 8MHz max 2 independent program Internal 20MHz max mable clock sources Frequency Measur...

Page 24: ...otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold...

Page 25: ...rs Turbine Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industrial pH Conducti...

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