User`s Guide - OMEGA Engineering
Contents
1. onver eneen ve enveneeneenene erven 7 2 3 Hardware Installation 9 2 4 Hardware Uninstallation 9 Figure 2 1 Unplug or Eject Hardware Dialog 10 Figure 2 2 Stop a Hardware device dialog box 10 3 Signal Connections ccsscsssssssssscsescssseses 12 Bil OVERVIEW eres ses a ates mi nn M mn eat etes 3 2 WO Comrectors 3 2 1 Pin Assignments Figure 3 1 1 0 Connector Pin Assignment 12 Figure 3 2 Opto 22 CNI CN2 iii 13 3 2 2 VO Connector Signal Description 14 Table 3 1 1 0 Connector Signal Description 14 3 2 3 LED Indicator Status Description eee 14 Table 3 2 LED Indicator Status Description 14 3 3 Digital I O Connections ee 515 3 3 1 Dry Contact Support for Digital Input 15 Figure 3 3 Digital Input Connections ss LS 34 Field Wiring Considerations neven ennen 16 Appendix A Specifications ease sesnseervonseeronseerenne 18 A l Digital Input Output ss 18 A2 Counter arterieel eten anda 18 A3 General zn nennen as due nr ne 18 v Table of Contents USB 4751 4751L User Manual vi Chapter 1 Introduction Thank you for buying the USB 4751 4751L data acquisition module The USB 4751 4751L 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 Hardwa2. ver OMEGA CE WARRANTY Extended Warranty Program Shop online at omega com OMEGAY omega com e mail info omega com For latest product manuals omegamanual info USB 4751 USB 4751L 48 24 Channel TTL Digital I O USB Data Acquisition Modules omega com OE OMEGA OMEGAnet Online Service Internet e mail omega com info omega com Servicing North America U S A One Omega Drive Box 4047 ISO 9001 Certified Stamford CT 06907 0047 Tel 203 359 1660 FAX 203 359 7700 e mail info omega com Canada 976 Bergar Laval Quebec H7L 5A1 Canada Tel 514 856 6928 FAX 514 856 6886 e mail info omega ca For immediate technical or application assistance U S A and Canada Sales Service 1 800 826 6342 1 800 TC OMEGA Customer Service 1 800 622 2378 1 800 622 BEST Engineering Service 1 800 872 9436 1 800 USA WHEN Mexico En Espa ol 001 203 359 7803 FAX 001 203 359 7807 e mail espanol omega com info omega com mx Servicing Europe Czech Republic Frystatska 184 733 01 Karvin Czech Republic Tel 420 0 59 6311899 FAX 420 0 59 6311114 Toll Free 0800 1 66342 e mail info omegashop cz Germany Austria Daimlerstrasse 26 D 75392 Deckenpfronn 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 North
3. 4 Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies 4 Wire Thermocouple RTD amp Thermistor A Calibrators amp Ice Point References L Recorders Controllers amp Process Monitors WY Infrared Pyrometers PRESSURE STRAIN AND FORCE 4 Transducers amp Strain Gages 4 Load Cells amp Pressure Gages ef Displacement Transducers A Instrumentation amp Accessories FLOW LEVEL ef Rotameters Gas Mass Flowmeters amp Flow Computers bf Air Velocity Indicators 4 Turbine Paddlewheel Systems ef Totalizers amp Batch Controllers pH CONDUCTIVITY 4 pH Electrodes Testers amp Accessories 4 Benchtop Laboratory Meters 4 Controllers Calibrators Simulators amp Pumps 4 Industrial pH amp Conductivity Equipment DATA ACQUISITION ef Data Acquisition amp Engineering Software 4 Communications Based Acquisition Systems ef Plug in Cards for Apple IBM amp Compatibles kf Datalogging Systems A Recorders Printers amp Plotters HEATERS ef Heating Cable L Cartridge amp Strip Heaters 4 Immersion amp Band Heaters WY Flexible Heaters ef Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL 4 Metering amp Control Instrumentation Refractometers 4 Pumps amp Tubing A Air Soil amp Water Monitors 4 Industrial Water amp Wastewater Treatment 4 pH Conductivity amp Dissolved Oxygen Instruments M4570 0907
4. max 12mA sink Output Voltage High 3 8 V min 12mA source each line 5V Output 100mA max 3 8 V min 5mA source high of every line Interrupt Mode PCO source PC4 gate PC0 source A 2 Counter Channels 2 independent Resolution 32 bit counters low 16bit by hardware and high 16bit by ARM Compatibility TTL compatible logical level input External 8MHz max 2 independent program Base Clock mable clock sources Internal 20MHz max Frequency Input frequency from 0 1Hz to 10Mhz measurement PWM Generation 2Hz to 10Mhz External Input Divide 2 to 65535 A3 General I O Connector Type Opto 22 2 and 10 pin screw terminal 1 Dimensions 132 X 80 X 32 mm 5 2 X 3 2 X 1 3 Power 5 V 500 mA max Consumption Temperature Operation 0 60 C 32 140 F refer to IEC 68 2 1 2 Storage 20 70 C 4 158 F Relative Humidity 5 95 RH non condensing refer to IEC 68 2 1 2 USB 4751 4751L User Manual 18 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 ma
5. 34 GND 35 PAO6 36 GND 35 PA16 36 GND 37 PAO5 38 GND 37 PA15 38 GND 39 PAO4 40 GND 39 PA14 40 GND 41 PA03 42 GND 41 PA13 42 GND 43 PA02 44 GND 43 PA12 44 GND 45 PAO1 46 GND 45 PA11 46 GND 47 PA00 48 GND 47 PA10 48 GND 49 5V OUT 50 GND 49 5V_ OUT 50 GND 13 Chapter3 3 2 2 I O Connector Signal Description Table 3 1 1 0 Connector Signal Description Signal Ref Direction Description PA lt 0 lt 7 GND Input Out Digital input output port A channel 10 17 gt put 0 7 amp channel 10 17 PB lt 0 7 GND Input Out Digital input output port B channel 10 17 gt put 0 7 amp channel 10 17 PC lt 0 7 GND Input Out Digital input output port C channel 10 17 gt put 0 7 amp channel 10 17 5V_OUT GND Output 5V DC power C lt 1 2 gt Out GND Output Output pins of counter timer 1 and 2 C lt 1 2 gt Gate GND Input Gate control pins of counter timer 1 and 2 C lt 1 2 gt _In GND Input External clock source of counter timer 1 and2 INT_Out GND Output Interrupt output This pin changes to logic 1 whenever the USB 4751 generates an interrupt and returns to logic 0 when the interrupt is cleared GND Digital 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 i
6. LIED 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 WARRANT Y 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 assi
7. at Start Programs Omega USB 4700 Series Device Driver s Manual 24 Hardware Uninstallation Though the USB modules are hot swappable we still recom mend you to follow the hardware un installation procedure to avoid any unpredictable damages to your device or your system Step1 Close the applications of the USB module Step2 Right click the Unplug or Eject Hardware icon on your task bar 9 Chapter2 Safely Remove Hardware Select the device you want to unplug or eject and then click Stop When Windows notifies you that it is safe to do so unplug the device from your computer Hardware devices E USB4751 L Device USB4751 L Device at Location 0 Display device components Figure 2 1 Unplug or Eject Hardware Dialog Step3 Select USB 4751 L Device and press Stop Button Stop a Hardware device Confirm devices to be stopped Choose OK to continue Windows will attempt to stop the following devices After the devices are stopped they may be removed safely ens USB4751 L Device 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 application before unplugging the USB device otherwise unex pected system error or damage may occur USB 4751 4751L User Manual 10 Signal Connections Sections include Overview Digital I O Connections Field W
8. bank Irlam Manchester M44 5BD United Kingdom Tel 44 0 161 777 6611 FAX 44 0 161 777 6622 Toll Free in United Kingdom 0800 488 488 e mail sales omega co uk It is the policy of OMEGA Engineering Inc to comply with all worldwide safety and EMC EMI regulations that apply OMEGA is constantly pursuing certification of its products to the European New 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 WARNING These products are not designed for use in and should not be used for human applications 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 no
9. e cautions are not taken The following measures will be helpful to reduce possible interference running signal wires between signal sources and the USB 4751 4751L The signal cables must be kept away from strong electromagnetic sources such as power lines large electric motors circuit breakers or welding machines since they may cause strong electromagnetic inter ference Keep the analog signal cables away from any 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 twisted pair wires as the analog input cable This type of cable has its signal wires twisted together and shielded with a metal mesh The metal mesh should only be connected to one point at the signal source ground Avoid running the signal cables through any conduit that might have power lines in it If you have to place your signal cable parallel to a power line that has a high voltage or high current running through it try to keep a safe dis tance between them Or place the signal cable in a right angle to the power line to minimize the undesirable effect USB 4751 4751L User Manual 16 Specifications Appendix A Specifications A 1 Digital Input Output Channels 48 Bi directional 24 for USB 4751L Programming 8255 PPI Mode0 Mode Low 0 8 V max Input Voltage High 2 0 V min Low 0 5 V
10. e 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 provided for each programming tool since they can get you very well oriented The Device Drivers Manual can be found on the companion CD ROM Alternatively if you have already installed the Device Drivers on your system The Device Drivers Manual can be readily accessed through the Start button Start Programs Omega USB 4700 Series Device Driver s Manual The example source code can be found under the corresponding installa tion folder such as the default installation path Program Files Omega USB 4700 Examples 3 Chapter 1 USB 4751 4751L User Manual Installation Sections include e Unpacking e Driver Installation Hardware Installation e Hardware Uninstallation Chapter 2 Installation 2 1 Unpacking After receiving your USB 4751 4751L package please inspect its con tents first The package should contain the following items USB 4751 4751L Module Shielded USB 2 0 Cable 1 8 m Companion CD ROM DLL driver included The USB 4751 4751L Module harbors certain electronic components vulnerable to electrostatic discharge ESD ESD could easily damage the integrated circuits and certain components if preventive measures are not carefully paid attention to Before removing the module from the antistatic plastic bag you should take followin
11. ells amp Pressure Gages ef Displacement Transducers A Instrumentation amp Accessories FLOW LEVEL ef Rotameters Gas Mass Flowmeters amp Flow Computers bf Air Velocity Indicators 4 Turbine Paddlewheel Systems ef Totalizers amp Batch Controllers pH CONDUCTIVITY 4 pH Electrodes Testers amp Accessories 4 Benchtop Laboratory Meters 4 Controllers Calibrators Simulators amp Pumps 4 Industrial pH amp Conductivity Equipment DATA ACQUISITION ef Data Acquisition amp Engineering Software 4 Communications Based Acquisition Systems ef Plug in Cards for Apple IBM amp Compatibles kf Datalogging Systems A Recorders Printers amp Plotters HEATERS ef Heating Cable L Cartridge amp Strip Heaters 4 Immersion amp Band Heaters WY Flexible Heaters ef Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL 4 Metering amp Control Instrumentation Refractometers 4 Pumps amp Tubing A Air Soil amp Water Monitors 4 Industrial Water amp Wastewater Treatment 4 pH Conductivity amp Dissolved Oxygen Instruments M4570 0907 USB 4751 4751L 48 24 Channel Digital I O USB Data Acquisition Module User Manual Chapter Chapter Chapter Contents 1 Introduction 2 1 1 Hardw re Features nn mens nt aio 2 1 2 Software Overview 3 12 1 Moreonthe CD 3 2 Installation 0 2il Unpacking entente ela mn ni 6 2 2 Driver Installation
12. fication 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 WARRANT Y 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 FOR NON WARRANTY REPAIRS consult the following informatio
13. g precautions to ward off possible ESD damage e Touch the metal part of your computer chassis with your hand to dis charge static electricity accumulated on your body One can also use a grounding strap Make contact between the antistatic bag and ground before opening After taking out the module you should first Inspect the module for any possible signs of external damage loose or damaged components etc If the module is visibly damaged please notify our service department or our local sales representative immedi ately Avoid using a damaged module with your system e Avoid physical contact with materials that could hold static electricity such as plastic vinyl and Styrofoam USB 4751 4751L User Manual 6 2 2 Driver Installation We recommend you install the software driver before you install the USB 4751 4751L module into your system since this will guarantee a smooth installation process The 32 bit DLL driver Setup program for the USB 4751 4751L module is included on the companion CD ROM that is shipped with your module package Please follow the steps on the following page to install the driver software 7 Chapter2 Insert the DAQ CD Install Device Manager Install Individual Drivers PCI Series ISA Series PC 104 Series CompactPCI Series MIC 2000 Series USB GPIB Full Installation Install Examples amp Utilities Utilities Visual C Visual Basic Examples Delphi C Builder Console In
14. gned 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 FOR NON WARRANTY REPAIRS consult the following information available BEFORE OMEGA for current repair charges Have the contacting OMEGA following information available BEFORE 1 Purchase Order number under which contacting OMEGA the product was PURCHASED 1 Purchase Order number to cover the COST 2 Model and serial number of the product of the repair under warranty and 2 Model and serial number of the product and 3 Repair instructions and or specific 3 Repair instructions and or specific problems problems relative to the product 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 Where Do I Find Everything Need for Process Measurement and Control OMEGA Of Course Shop online at omega com TEMPERATURE
15. iring Considerations Chapter 3 Signal Connections 3 1 Overview Maintaining good signal connections is one of the most important factors in ensuring that your application system is sending and receiving data correctly A good signal connection can avoid unnecessary and costly damage to your PC and other hardware devices 3 2 1 0 Connectors USB 4751 4751L is equipped with one plug in screw terminal connector and two one for USB 4751L standard Opto 22 connectors that can be used with a variety of wiring boards on the market 3 2 1 Pin Assignments Opto 22 CN1 O T ai 2 N N Q N 3 5 al A a 9 s Figure 3 1 I O Connector Pin Assignment USB 4751 4751L User Manual 12 0 0000000000000000000000e 50 2 Figure 3 2 Opto 22 CNI CN2 Opto 22 CNI Opto 22 CN2 USB 4751 Only 1 PC07 2 GND 1 PC17 2 GND 3 PC06 4 GND 3 PC16 4 GND 5 PC05 6 GND 5 PC15 6 GND 7 PC04 8 GND 7 PC14 8 GND 9 PC03 10 GND 9 PC13 10 GND 11 PC02 12 GND 11 PC12 12 GND 13 PCOI 14 GND 13 PC11 14 GND 15 PC00 16 GND 15 PC10 16 GND 17 PB07 18 GND 17 PB17 18 GND 19 PBO6 20 GND 19 PB16 20 GND 21 PB05 22 GND 21 PB15 22 GND 23 PB04 24 GND 23 PB14 24 GND 25 PB03 26 GND 25 PB13 26 GND 27 PB02 28 GND 27 PB12 28 GND 29 PBOI 30 GND 29 PB11 30 GND 31 PB00 32 GND 31 PB10 32 GND 33 PAO7 34 GND 33 PA17
16. lfunctions 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 IMP
17. n available BEFORE OMEGA for current repair charges Have the contacting OMEGA following information available BEFORE 1 Purchase Order number under which contacting OMEGA the product was PURCHASED 1 Purchase Order number to cover the COST 2 Model and serial number of the product of the repair under warranty and 2 Model and serial number of the product and 3 Repair instructions and or specific 3 Repair instructions and or specific problems problems relative to the product 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 Where Do I Find Everything Need for Process Measurement and Control OMEGA Of Course Shop online at omega com TEMPERATURE 4 Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies 4 Wire Thermocouple RTD amp Thermistor A Calibrators amp Ice Point References L Recorders Controllers amp Process Monitors WY Infrared Pyrometers PRESSURE STRAIN AND FORCE 4 Transducers amp Strain Gages 4 Load C
18. nto the USB port the LED indicator will blink five times and then stay lit to indicate that it is on Please refer to the following table for detailed LED indicator status information Table 3 2 LED Indicator Status Description LED Status Description On Device ready for work Off Device not ready to work Slow Blinking 5 times Device initialization Fast Blinking Depends on data transfer speed Device working USB 4751 4751L User Manual 14 3 3 Digital I O Connections 3 3 1 Dry Contact Support for Digital Input Each digital input channel accepts either dry contact or 0 5 VDC wet contact inputs Dry contact capability 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 3 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 External Internal C 5V 10KQ 1 5K Q Buffer g 0 5 W Dry Contact Open gt High D ST Close Low c 7 k eestor Wet Ext GND Wet Contact 2 0 5 25 Voc High ontact parallel Contact 0 0 8V P Low Figure 3 3 Digital Input Connections 15 Chapter3 3 4 Field Wiring Considerations When you use USB 4751 4751L to acquire data from outside noises in the environment might significantly affect the accuracy of your mea surements if du
19. re Features USB 4751 4751L features excellent measurement amp control functions 48 24 TTL digital I O lines 50 pin Opto 22 compatible box header Emulates mode 0 of 8255 PPI Buffered circuits for higher driving capacity than 8255 Interrupt handling e Timer Counter interrupt capability e Supports both dry and wet contact 50 pin Opto 22 compatible box header Compatible with USB 1 1 2 0 e Bus powered Note You can install up to sixteen USB 4751 4751L s to a system because of the restriction of device BoardlD Note The power output of an USB port is 500 mA while the USB 4751 4751L requires 500mA Max This means that if an USB hub is used it will need an external power supply to support more than one USB 4751 4751L device Note For detailed specifications of USB 4751 4751L please refer to Appendix A Specifications USB 4751 4751L User Manual 2 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 For instructions on how to begin programming in each development tool some tutorial chapters are included in the Device Drivers Manual for your reference Pleas
20. stall Advance Options Linux Drivers DAQ Vis for LabVIEW Windows CE Drivers ActiveDAQ Pro Dos Driver amp Examples 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 4751 4751L User Manual 8 2 3 Hardware Installation Note Make sure you have installed the software driver before you install the module please refer to Section 2 2 Driver Installation After the DLL driver installation is completed you can now go on to install the USB 4751 4751L module in any USB port that supports the USB 1 1 2 0 standard on your computer Please follow the steps below to install the module on your system Step 1 Touch the metal part on the surface of your computer to neutral ize the static electricity that might be in your body Step 2 Plug your USB module into the selected USB port Use of exces sive force must be avoided otherwise the module might get damaged Note In case you installed the module without installing the DLL driver Win2000 XP will recognize your module as an unknown device After reboot it will prompt you to provide necessary driver You should ignore the prompting messages and set up the driver according to the steps described in Sec 2 2 After your module is installed you can configure it using the Device Manager The Device Driver s Manual can be found
21. t 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 indemni
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