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WARRANTY/DISCLAIMER

OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and
workmanship for a period of 

13 months

from date of purchase. OMEGA’s WARRANTY adds an

additional one (1) month grace period to the normal 

one (1) year product warranty

to cover

handling and shipping time. This ensures that OMEGA’s customers receive maximum
coverage on each product. 

If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer
Service Department will issue an Authorized Return (AR) number immediately upon phone or
written request. Upon examination by OMEGA, if the unit is found to be defective, it will be
repaired or replaced at no charge. OMEGA’s WARRANTY does not apply to defects resulting
from any action of the purchaser, including but not limited to mishandling, improper interfacing,
operation outside of design limits, improper repair, or unauthorized modification. This 
WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence
of having been damaged as a result of excessive corrosion; or current, heat, moisture or vibra-
tion; improper specification; misapplication; misuse or other operating conditions outside of
OMEGA’s control. Components in which wear is not warranted, include but are not limited to
contact points, fuses, and triacs.

OMEGA is pleased to offer suggestions on the use of its various products. However, 
OMEGA neither assumes responsibility for any omissions or errors nor assumes liability
for any damages that result from the use of its products in accordance with information
provided by OMEGA, either verbal or written. OMEGA warrants only that the parts 
manufactured by the company will be as specified and free of defects. OMEGA MAKES
NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER,
EXPRESSED OR IMPLIED, EXCEPT THAT OF TITLE, AND ALL IMPLIED WARRANTIES
INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE HEREBY DISCLAIMED. LIMITATION OF LIABILITY: The remedies of pur-
chaser set forth herein are exclusive, and the total liability of OMEGA with respect to this
order, whether based on contract, warranty, negligence, indemnification, strict liability or
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 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;
or (2) in medical applications or used on humans. Should any Product(s) be used in or with any
nuclear installation or activity, medical application, used on humans, or misused in any way,
OMEGA assumes no responsibility as set forth in our basic WARRANTY/DISCLAIMER language,
and, additionally, purchaser will indemnify OMEGA and hold OMEGA harmless from any liability
or damage whatsoever arising out of the use of the Product(s) in such a manner.

RETURN REQUESTS/INQUIRIES

Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department.
BEFORE RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN
AUTHORIZED RETURN (AR) NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT
(IN ORDER TO AVOID PROCESSING DELAYS). The assigned AR number should then be
marked on the outside of the return package and on any correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to
prevent breakage in transit. 

FOR 

WARRANTY

RETURNS, please have

the following information available BEFORE 
contacting OMEGA:
1. Purchase Order number under which 

the product was PURCHASED,

2. Model and serial number of the product

under warranty, and

3. Repair instructions and/or specific 

problems relative to the product.

FOR 

NON-WARRANTY

REPAIRS, consult

OMEGA for current repair charges. Have the
following information available BEFORE 
contacting OMEGA:
1.  Purchase Order number to cover the COST

of the repair,

2. Model and serial number of the product, and
3. Repair instructions and/or specific problems 

relative to the product.

OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. 
This affords our customers the latest in technology and engineering.

OMEGA is a registered trademark of OMEGA ENGINEERING, INC.

© Copyright 2007 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied,
reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without
the prior written consent of OMEGA ENGINEERING, INC.

Содержание USB-4750

Страница 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...

Страница 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...

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

Страница 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...

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

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

Страница 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...

Страница 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...

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 22: ...A 2 Specifications...

Страница 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...

Страница 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...

Страница 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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