USB Data Acquisition Module USB-4718
Contents
1. ven IE CE iS a Extended Warranty Program Shop online at omega con CHOMEGA omega com e mail info omega com For latest product manuals omegamanual info USB 4718 8 Channel Thermocouple Input USB Data Acquisition Module omega com CZOMEGA 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 Nort2. ccscssssssssscssscscsssssscssees LO 2 Unpacking sisccicsccsccieeseee tossed cstetc hecbestetees session ce busectens 10 2 2 Driver Installation enen E A 10 Figure 2 1 Automation Software Setup Screen 11 2 3 Hardware Installation ccc eccccsecssecesseesseessceenseeees Figure 2 2 Device Manager Screen Figure 2 3 USB 4718 Device Speed eeeeeeeees 24 Device Setup amp Configuration cseeeeecreeeeeeeeees 2 4 1 Setting Up the Device ou eee eeeteeeeeee oo Figure 2 4 Device Manager Dialog Box 2 4 2 Configuring the Device c ce eeeeeeeeeseteeteeees Figure 2 5 The Device Setting Dialog Box 2 5 Device Testigos iati rieseni snider 2 5 1 Testing Analog Input Function ssessssseeesseseresesseersese Figure 2 6 Analog Input Tab Device Test Dialog 17 2 5 2 Testing Analog Output Function sssssesesesseesseeessesssesss 17 Figure 2 7 Analog Output Function Not Supported 17 2 5 3 Testing Digital Input Function 00 0 eeeeeeeteteeeeeeees 18 Figure 2 8 Digital Input Tab Device Test Dialog 18 2 5 4 Testing Digital Output Function 0 cee eeeeeteeteeees 18 Figure 2 9 Digital Output Tab Device Test Dialog 18 2 5 5 Testing Counter Function oo eeceeseescseeeeteeeeeeseeeenee Figure 2 10 Counter Tab Testing Unsupported 2 6 Hardware Uninstallation ccccceccesceseceesecsseeeneeenes Figure 2 11 Unplug or Eject Hardware Dialog Figure 2 12 Stop a Hardware device dialog box 20 C
3. Compatibles 4 Datalogging Systems A Recorders Printers amp Plotters HEATERS 4 Heating Cable LY Cartridge amp Strip Heaters 4 Immersion amp Band Heaters WY Flexible Heaters 4 Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL 4 Metering amp Control Instrumentation A Refractometers 4 Pumps amp Tubing A Air Soil amp Water Monitors 4 Industrial Water amp Wastewater Treatment 4 pH Conductivity amp Dissolved Oxygen Instruments M 4568 0109
4. x fo coo0000 m Channel mode 0 0 015 x fo oo00000 8 differential channels 00 01 BY jo o007637 Sampling period 7900 ms 0 0 015 X 00 0157 00 0157 00 0157 7 0 0 015 ba Figure 2 6 Analog Input Tab Device Test Dialog 2 5 2 Testing Analog Output Function Unsupported on this module A Device Test USB 4718 BoardID 9 Analog input o Digital input Digital output Counter Function not support Change device Figure 2 7 Analog Output Function Not Supported 19 Chapter2 2 5 3 Testing Digital Input Function Click the Digital Input tab to show the Digital Input test panel as seen below By the color of the LEDs you can easily discern whether the sta tus of each digital input channel is high or low Red lamp High Green lamp Low Device Test USB 4718 BoardID 9 E Analog input Analog output Digital input Digital output Counter Port No Bit 7 4 3 0 gt 9000 9000 N P Bo La ad Change device Exit Figure 2 8 Digital Input Tab Device Test Dialog 2 5 4 Testing Digital Output Function Click the Digital Output tab to bring up the Digital Output test panel as shown below By pressing the buttons on each tab you can easily set each 2 Device Test USB 4718 BoardID 9 Analog input Analog output Digital input Digital output Counter Al ol i gi put Port No Bit 7 4 A CNT 2 mnt oro A v Change device Exit Figure 2 9 Digit
5. 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 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 also use a grounding strap e Make contact between the antistatic bag and ground before opening the bag 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 4718 User Manual 10 2 2 Driver Installation We recommend you install the software driver before you install the USB 4718 module into your system since this will guarantee a smooth installation process The 32 bit DLL driver Setup program for the USB 4718 module is included on the companion CD ROM that is shipped with your module package Please follow the steps below to install the driver software Step 1 Insert the companion CD
6. OmA current source and the full range calibration connect to a 20mA cur rent source as well USB 4718 User s Manual 48 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 tr
7. ROM into your CD ROM drive Step 2 The Setup program will be launched automatically if you have the auto play function enabled on your system Note If the auto play function is not enabled on your computer use Windows Explorer or Windows Run command to execute Setup exe on the companion CD ROM Step3 Click Continue and select the Installation option Il Chapter2 Step4 Select the specific device and then just follow the installation instructions step by step to complete your device driver installation and setup 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 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 4718 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 or related documentation if you have any doubts 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 neutralize the static electricity that might be in your body Step 2 Plug your USB module into the selected USB port Hold the mod ule only by i
8. input ch5 JP5 Input mode set ting for analog input ch2 JP1 JP8 Input Mode Setting for Analog Input Channels The analog input mode of every AI channel on USB 4718 can be set by JP1 JP8 separately to measure the voltage sources or the current sources Inappropriate setting of the jumpers can cause unpredictable errors or malfunction of USB 4718 Jumper 7 Z Setting O 1 l Description Set the channel to voltage Set the channel to input mode Default setting Current input mode 27 Chapter3 JP13 Watchdog Timer Setting The watchdog timer supervisory function will automatically reset USB 4718 in the event of system failure JP13 on USB 4718 can enable dis able watchdog timer function or reset module manually Jumper Setting i eS Z Description Enable watchdog timer Disable watchdog timer function Default setting function How to Reset USB 4718 Manually Plug the jumper to JP13 pin2 3 and then remove it USB 4718 will reset Z NOTE Users may restart the application programs after USB 4718 is reset USB 4718 User Manual 28 3 3 Analog Input Connections The differential input channels operate with two signal wires for each channel and the voltage difference between both signal wires is mea sured There are 8 analog input channels available on USB 4718 Internal External Figure 3 2 Differential Input Channel Connection 3 4 Isolated Digital In
9. 15mV 0 50mV 0 100mV 0 500mV 0 1V 0 2 5V 0 20mA 4 20mA Uni polar Sampling rate 10 samples s total Accuracy 0 1 or better voltage and current input Zero drift 0 3 uV Span drift 25 ppm C CMR 50 60 Hz 92 dB Input impedance 1 8 M A 2 Accuracy for Thermocouple Table A 2 Accuracy for Thermocouple Input Range Typical Accuracy Maximum Error J thermocouple 0 to 760 C 1 0 C 1 5 C K thermocouple 0 to 1370 C 1 0 C 1 5 C T thermocouple 100 to 400 C 1 0 C 1 5 C E thermocouple 0 to 1000 C 1 0 C 1 5 C R thermocouple 500 to 1750 C 1 2 C 2 5 C S thermocouple 500 to 1750 C 1 2 C 2 5 C B thermocouple 500 to 1800 C 2 0 43 0 C NOTE Due to the location of the CJC sensor the measurement will have a 1 C max difference in channels USB 4718 User s Manual 34 A 3 Isolated Digital Input Table A 3 Isolated Digital Input Channels 8 Interrupt Inputs N A Optical Isolation 2500 VDC Opto isolator response 25 us time ESD 2 000 VDC Input Voltage VIH max 30 VDC VIH min 5 VDC VIL max 3 VDC Input Current 10 VDC 2 9 mA typical 12 VDC 3 5 mA typical 24 VDC 7 2 MA typical 30 VDC 9 1 mA typical A 4 Isolated Digital Output Table A 4 Isolated Digital Output Channels 8 Optical Isolation
10. 2500 VDC Opto isolator response time 25us Supply Voltage 5 30 VDC Sink Current 200 mA max ch 1 1A total 35 ChapterA A 5 General Table A 5 General I O Connector Type Removable 10 pin screw terminal x 4 Dimensions LxWxH 132 x 80 x 32 mm 5 2 x 3 2 x 1 3 Watchdog timer Yes Power requirements USB bus powered Power Consumption 100mA 5V max 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 4718 User s Manual 36 Function Block Appendix B Function Block Watchdog cuc Timer Sensor Control and read data by USB bus 8 Diff Al Switch Microcontroller USB Surge Multi Voltage in With EEPROM Control Protection plexer Src test 16 bit AD Chip Converter NET2272 I T I 8 ch 8 ch Isolated Isolated Digital Digital Output Input 38 USB 4718 User Manual C Firmware Download Utility Appendix C Firmware Download Utility The firmware download utility can help you update your device s firmware to the newest version to get the latest bug fixes and function improvements Note After installation the USB firmware download utility is located at C Program Files Omega USB 4700 Examples by default The steps on the following pages will guide you t
11. AI analog input channel s input voltage current range by setting the corresponding GainCode of the device The configuration for voltage and current is differentiated by the value of GainCode The value of current GainCode is greater than 0x8000 Please refer to USB 4718 s software manual for more detail information 17 Chapter 2 Table 2 1 Gain Code Gain Code Hex Type Range 0x08 Voltage 0 15mV Ox0A Voltage 0 50mV 0x0B Voltage 0 100mV 0x0D Voltage 0 500mV Ox0E Voltage 0 1 0V OxOF Voltage 0 2 5V 0x8000 Current 0 20mA 0x8001 Current 4 20mA 2 5 Device Testing Following the Setup and Configuration procedures to the last step described in the previous section you can now proceed to test the device by clicking the Test Button in the O Device Installation dialog window In the Device Test dialog window you are free to test various functions of USB 4718 on the Analog input Analog output Digital input Digital out put or Counter tabs 2 5 1 Testing Analog Input Function Click the Analog Input tab to bring it up to front of the screen Select the input range for each channel in the Input range drop down boxes Config ure the sampling rate on the scroll bar Switch the channels by using the up down arrow USB 4718 User Manual 18 Device Test USB 4718 BoardID 9 jolx Analoginput Analog output Digital input Digital output Channel No Input range Analog input reading 0 0 015
12. S Genetal oe svcciccsicciet ees neeectecet ARES Function BIOcK scccccccssssssssssssescsssssssserees OF Firmware Download Utility s000008 36 Figure C 1 Install Firmware Download Utility Screen 36 Figure C 2 USB Download Utility oo ee 37 Figure C 3 Firmware Selection cceceeseseeeeeeeeees 37 Figure C 4 Firmware Download Completed 38 Analog Input Calibration scssseseseee 43 D 1 Voltage Input E R E 44 Figure D 1 USB 4718 Device Setting window _ 45 Figure D 2 USB 4718 Calibration Wizard 46 Figure D 3 Zero range calibration complete 46 Figure D 4 Full range calibration oo eeceeeeseseeteeees 47 Figure D 5 Calibration Complete ceeeeeee 47 Voltage Input Calibration ee eeeeeeeeeeeeeeeceeeeeeees 48 Figure D 6 Select the current input range setting 48 USB 4718 User Manual vi Introduction This chapter will provide information on the features of the DAS module a quick start guide for installation and some brief information on software and accessories for the USB 4718 Module Sections include e Features e Applications e Installation Guide e Software Overview e Device Driver e Programming Roadmap Chapter 1 Introduction USB 4718 offers 8 thermocouple inputs with 16 bit resolution up to 0 1 input range accuracy or 4 20 mA inputs Reliable and rugged enough for industrial applications yet inexpensive enoug
13. al Output Tab Device Test Dialog USB 4718 User Manual 20 2 5 5 Testing Counter Function Unsupported on this module Only after your module device is properly set up configured and tested can the device installation procedure be considered complete After the device installation procedure is completed you can safely proceed to the next chapter Signal Connections 2 6 Hardware Uninstallation Though the USB modules are hot swappable we still recommend 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 ex Device Manager Step2 Right click the Unplug or Eject Hardware icon on your task bar 21 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 E4 U5B4718 Device USB4718 Device at Location 0 Display device components Close Figure 2 11 Unplug or Eject Hardware Dialog Step3 Select USB4718 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 eg 0584718 Device Figure 2 12 Stop a Hardware device dialog box Step4 Unplug your USB device fr
14. annel Input Range Value Burn Out Return Value ja 20m Current emperature x HE i ree loa rea pans A Upper lin Disa roa fo O 015 gt pper lin Disable j CHE bans A pper limit z Disable Fe ooon e pperiimt Disable 5 Sample Rate al E gt at He Cancel Restore JI Figure 2 5 The Device Setting Dialog Box 1 Board ID Set the Board ID for easy identification 2 Locate The on module LED indicator blinks when you continually press Locate button 3 Label string Edit the string label for identification purpose USB 4718 User Manual 16 4 AI Channel setting Set the thermocouple type analog input range for each AI channel 5 Sample Rate adjustment Drag the slide bar to adjust the sampling rate of your device 6 Restore Restore the AI Calibration setting or the CJC offset setting to default Restore Settings Restore Selection CIC Offset Reset OK Restore Setting Tif 7 CJC Offset Adjust CJC offset setting xi CJC Offset Adjustment CIC Offset Adjustment Adjustment tool CJC Temperature 25 67 cae reading Aasa pt Chaneio fH sTemperatwe T0661 Channel reading value OK Cancel CJC Offset Adjustment Tif 8 AI Calibration Analog input channel calibration function Please refer to Appendix D for detailed operating guide Thermocouple type 2 4 3 Gain Code Setting Configure the
15. ation process The Calibration Wizard window will pop up USB 4718 User s Manual 44 Identify Board ID jo X Locate Label string 32 characters most Edit Save Al Channel Settings Channel Input Range Value Bum Out Retum Value 4 20mA Current Temperature Foo frome Ip a Cee eA Ss a __ _ Sample Rate E gt Hz Cancel Restore GIC Offset Calibration Figure D 1 USB 4718 Device Setting window Step 2 Select 0 0 015V voltage input range or any and connect the OV voltage source to AIO of USB 4718 then click Calibrate The information box will show up after the zero range calibration is com pleted Then click OK 45 Chapter D Calibration Wizard X Al Range This wizard will guide you to calibrate Analog lutput Range Zero range Ca Fullrange Caii 00 0157 0 0 050V 0 0 100V 0 0 500V 01 0 025 Nr Instruction 1 Please connect the OV voltage to the AIO as below wv bye DC Power Suply AIO Calibrate Figure D 2 USB 4718 Calibration Wizard Information X Zero calibration complete Please start the Full range calibration by following the Instruction Figure D 3 Zero range calibration complete Step 3 Please start the full range calibration by connecting to the full range voltage source and click Calibrate You will see a dialog box and click OK to
16. ble 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 4 Recorders Controllers amp Process Monitors 4 Infrared Pyrometers PRESSURE STRAIN AND FORCE 4 Transducers amp Strain Gages 4 Load Cells amp Pressure Gages 4 Displacement Transducers A Instrumentation amp Accessories FLOW LEVEL 4 Rotameters Gas Mass Flowmeters amp Flow Computers WY Air Velocity Indicators 4 Turbine Paddlewheel Systems 4 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 4 Data Acquisition amp Engineering Software 4 Communications Based Acquisition Systems 4 Plug in Cards for Apple IBM amp
17. e flow chart to give a broad picture of the software and hardware installa tion procedures 3 Chapter 1 Install Driver from CD ROM Install hardware Use driver utility to configure hardware Use test utility to test hardware Read examples amp driver manual Start to write your own application Figure 1 1 Installation Flow Chart USB 4718 User Manual 4 1 4 Software Overview Omega offers a rich set of DLL drivers third party driver support and application software to help fully exploit the functions of your USB 4718 module e Device Drivers on the companion CD ROM 1 4 1 Programming Choices for DA amp C Module You may use the application software like the Device Drivers On the other hand advanced users are allowed to use register level programming as another option although this is not recommended due to its laborious and time consuming nature 1 4 2 Device Drivers The Device Drivers software is included on the companion CD ROM the Device Drivers features a complete I O function library to help boost your application performance The Device Drivers for Windows 2000 XP works seamlessly with development tools such as Visual C Visual Basic 5 Chapter 1 1 5 Device Driver Programming Roadmap This section will provide a roadmap to demonstrate how to build an appli cation from scratch using the Device Drivers with your favorite development tools such as Visual C Visual Basic The step by step instr
18. es you must first install the device along with its driver Please refer to the pre vious section of Chapter 2 for detailed installation instructions Step2 You can view the device s already installed on your system if any in the Installed Devices list box If you haven t installed any devices you might see a blank list Device Manager Installed Devices BR My Computer 000 lt USB 4718 BoardID 9 gt Supported Devices USB 4711 4 amp USB 4718 lt amp USB 4761 lt USB 4750 lt USB 4751 L About Import Export Figure 2 4 Device Manager Dialog Box Note If you have properly installed the device driver but still can t find it in Device Manager please close the Device Manager and restart it 2 4 2 Configuring the Device Step 3 Click Setup button and you will see the Device Setting dialog box as follow On the Device Setting dialog box you can specify the BoardID of the device and perform the AI calibration function for the AI channels Locate will blink the on module LED till you release the bot tom so you can easily identify the device you are operating 15 Chapter2 Restore will reset device configurations to the factory settings Note Please refer to Appendix C for a detailed calibration procedure USB 4718 Device Setting Firmware Version 1 1 4 1 Xj m Identify 4 Board ID 0 Label string 32 characters most Al Channel Settings Ch
19. f 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 4718 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 31 Chapter3 e 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 4718 User Manual 32 Specifications A 1 Analog Input Appendix A Specifications Table A 1 Analog Input Channels 8 differential Input type mV V and mA Input range J K T E R S and B Thermocouple 0
20. finish the calibration process USB 4718 User s Manual 46 Calibration Wizard x Al Range This wizard will guide you to calibrate Analog lutput Range Zero range Ca Full range Cali 0 0 015 OK 0 0 050 i 0 0 100 0 0 500 0 1 0V 0 25 NIMs Instruction 2 Please connect the Full range voltage to the AID as below Full range PW Dc Power Suply Figure D 4 Full range calibration Calibration Finished Figure D 5 Calibration Complete Step 4 Please repeat the procedures above to complete the other input ranges 0 0 050V 0 0 100V 0 0 500V 0 1 0V 0 2 5V calibration 47 Chapter D D 2 Current Input Calibration You need to calibrate only one channel AIO The other channels of USB 4718 will be calibrated automatically NOTE Please make sure that the JP1 on USB 4718 is set to current input mode before you start voltage input calibrating Step 1 Please follow the procedures of voltage input calibration but select the current input range setting in Calibration Wizard Calibration Wizard Al Range This wizard will guide you to calibrate Analog lutput Range Zero range Ca Full range Cali A Instruction 1 Please connect the OV voltage to the AID as below wv bye DC Power Suply AIQ Calibrate Figure D 6 Select the current input range setting Step 2 Please perform the zero range calibration connect to a
21. h for home projects USB 4718 is the perfect way to add measurement and control capability to any USB capable computer The USB 4718 is fully USB plug and play and easy to use It obtains all required power from the USB port so no external power connection is ever required 1 1 Features USB 4718 has the most requested measurement amp control functions e 8 differential thermocouple input channels e 16 bits resolution e Software configurable for thermocouple low level voltage or current inputs e Wiring burned out detectable function Thermo mode e 2 500 Vdc isolation e Watchdog Timer e Supports 0 20 amp 4 20mA current inputs e Bus powered e Device status LED indicator e Removable on module wiring terminal e USB 2 0 Support e Hot swappable Note For detailed specifications of USB 4718 please refer to Appendix A Specifications 1 2 Applications Temperature measurement Industrial ON OFF control e Industrial and Lab automation USB 4718 User Manual 2 1 3 Installation Guide Before you install your USB 4718 module please make sure you have the following necessary components e USB 4718 DAS Module e Shielded USB 2 0 cable 1 8 m e Driver software DLL drivers included in the companion CD ROM After you have the necessary components and maybe some accessories for enhanced operation of your USB DAS module you can then begin the installation procedure Figure 1 1 on the next page provides a concis
22. hapter 3 Signal Connections cssccsscssssssscesseses 22 Belo OVERVIEWS e an eee hoses cass EE AE EER 3 2 I O Connectors 32 1 Pin Assignment derana ea A 22 v Table of Contents 3 3 3 4 3 5 3 6 Figure 3 1 I O Connector Pin Assignment 3 2 2 I O Connector Signal Description 00 Table 3 1 I O Connector Signal Description 3 2 3 LED Indicator Status Description 0 0 0 0 Table 3 2 LED Indicator Status Description Analog Input Connections sesesseeeeeeeeeeeeeeeeeeees Figure 3 2 Single Ended Input Channel Connection 25 Isolated Digital Input Connections ee eeeeeeeeetees 25 Figure 3 3 Analog Output Channel Connections 26 Isolated Digital Output Connections eee eteeees 3 5 1 External Trigger Source Connection Field Wiring Considerations Appendix A Specifications e sessoesoessesoossoessessoossessssssesse OO A l A 2 A 3 AA A 5 Appendix B Appendix C Appendix D Calibration D 2 Analog INpute wis iscceccdesseecsestesncescnevevsseceacexicdenessusebecacivasves Table A 1 Analog Input Accuracy for Thermocouple sceccseeseseeseneeseeeeees 31 Table A 2 Accuracy for Thermocouple cee 31 Isolated Digital Input cee eeeeseeeeteeeeeee Table A 3 Isolated Digital Input Isolated Digital Output seese Table A 4 Isolated Digital Output General 52 si2 552 ssasiseszessscsdens iescsiessascaiscscsvecess TablevA
23. hbank 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 USB 4718 8 Channel Thermocouple Input Data Acquisition Module User Manual Contents Chapter 1 Introduction ou cssscesscecssscceccsescssscesseeee 2 Tel Re atures a Rid eek tee anes 12 sApplications icc casitecs nade cinadeee Hien ER 1 3 Installation Guide Figure 1 1 Installation Flow Chart 1 4 Software Overview ooer E a 1 4 1 Programming Choices for DA amp C Module L42 Device Drivers prei AA a N o RR aN 1 5 Device Driver Programming Roadmap e sseeeeeseeeeee 1 5 1 Programming Tools oo seeseeeeeeeeseeeeeeeeeeseeeees 1 5 2 Programming with Device Drivers Function Library 7 1 5 3 Troubleshooting Device Drivers Error sses 7 Chapter 2 Installation
24. hrough the USB 4718 firmware update USB 4718 User Manual 40 Step1 Select Device Launch the firmware download utility and press Select button to choice the target device You can check the working firmware version at the Firmware Version item Figure C 2 USB Download Utility Step2 Select Firmware File Press Load button to select the firmware Figure C 3 Firmware Selection 4 Appendix C Step3 Download Firmware Press Download to start downloading the firmware to your target device Then press OK unplug your device and reinstall it to bring the new settings effective ad CAUSB4711_1 Figure C 4 Firmware Download Completed USB 4718 User Manual 42 D Analog Input Calibration Appendix D Analog Input Calibration The following steps will guide you through the USB 4718 analog input channel software calibration Please perform BOTH voltage and current input calibrating procedures to complete the calibration of USB 4718 s analog input channels D 1 Voltage Input Calibration You need to calibrate only one channel AIO The other channels of USB 4718 will be calibrated automatically NOTE Please make sure that the JP1 on USB 4718 is set to voltage input mode before you start voltage input calibrating Step 1 Click the Setup button in the Device Manager window to launch the USB 4718 Device Setting window Then click Calibration to start the calibr
25. iacs 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 respo
26. nsibility 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 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 possi
27. om the USB port Note Please make sure that you have closed the appli cation programs before unplugging the USB device otherwise some unexpected system errors or damages may happen USB 4718 User Manual 22 Signal Connections This chapter provides useful informa tion on how to connect input and output signals to the USB 4718 via the I O connectors Sections include e Overview e T O Connectors e Analog Input Connections e Analog Output Connections e Trigger Source Connections e Field Wiring 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 I O Connectors USB 4718 is equipped with plug in screw terminal connectors that facili tate connection to the module without terminal boards or cables 3 2 1 Pin Assignment Figure 3 1 on next page shows the pin assignments for the five 10 pin I O connectors on USB 4718 USB 4718 User Manual 24 USB 4718 eee UL JP1JP3 JP5 JP7 Ch Thermocouple Input UL JP2JP4 JP6 JP8 8 ch isoalted DI Figure 3 1 I O Connector Pin Assignment Chapter 3 25 3 2 2 I O Connector Signal Description Table 3 1 I O Connector Signal Description Signal Reference Direction Desc
28. on process again You can check the Device Properties to see if your device is running under Full Speed mode USB 1 1 or High Speed mode USB 2 0 See figure 2 3 on the next page 13 Chapter2 USB4718 Device Properties n E General Driver Details eo USB4718 Device Device type Manufacturer Location Device status DA amp C USB Devices Omega Co Ltd Location 0 USB4718 DA amp C Device HS Boar start the troubleshooter This device is working properly If you are having problems with this device click Troubleshoot to Device usage Troubleshoot Use this device enable Figure 2 3 USB 4718 Device Speed After your module is properly installed with your system you can now configure your device using the Device Manager that has itself already been installed on your system during driver setup A complete device installation procedure should include device setup configuration and testing The following sections will guide you through the Setup Configuration and Testing of your device 2 4 Device Setup amp Configuration Device Manager is a utility that allows you to set up configure and test your devices and later stores your settings in the system registry These settings will be used when you call the APIs of the 32 bit DLL drivers USB 4718 User Manual 14 2 4 1 Setting Up the Device Step 1 To complete the device setup and configuration procedur
29. put Connections USB 4718 has 8 isolated digital input channels designated IDIO IDI7 Each of isolated digital input channel accepts 5 30 VDC voltage inputs and accept bi directional input It means that you can apply positive or negative voltage to an isolated input pin IDI All 8 input channels share one common pin Figure 3 3 shows how to connect an external input source to one of the module s isolated input channels 29 Chapter3 External Internal Di0 DI7 IDIO IDIZ Figure 3 3 Digital Input Channel Connections 3 5 Isolated Digital Output Connections USB 4718 has 8 isolated digital output channels designated IDO0 IDO7 Each of isolated output channels comes equipped with a Darlington tran sistor All 8 output channels share common collectors and integral sup pression diodes for inductive loads Figure 3 4 shows how to connect an external output load to the module s isolated outputs Note Tf an external voltage 5 30 VDC is applied to an isolated output channel while it is being used as an output channel the current will flow from the external voltage source to the card Please take care that the current through each IDO pin not exceed 200 mA USB 4718 User Manual 30 Internal External 3 6 Figure 3 4 Isolated Digital Input Channel Connections Field Wiring Considerations When you use USB 4718 to acquire data from outside noises in the environment might significantly affect the accuracy o
30. ription Name IDI lt 0 7 gt ICOM Input Isolated Digital Input Channels ICOM Common Port of IDI Channels IDO lt 0 7 gt OCOM Output Isolated Digital Output Channels OGND Isolated Digital Output Ground OCOM Positive External Power Supply Al lt 0 7 gt Input Analog Input Channels CJC CJC Cold Junction Compensation NC 5 No connected 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 Please refer to the following table for detailed LED indicator status information LED Status Description ON Device ready for work Off Device not ready to work Slow Blinking 5 times Device Initialization Fast Blinking Device working Depends on data transfer speed USB 4718 User Manual 26 3 2 4 Jumper Setting Description Table 3 3 Jumper Setting Description Jumper Description Jumper Description JP1 Input mode set JP6 Input mode setting for analog ting for analog input ch6 input chO JP2 Input mode set JP7 Input mode setting for analog ting for analog input ch3 input ch4 JP3 Input mode set ypg Input mode setting for analog ting for analog input ch7 input ch1 JP4 Input mode set yp43 Watchdog timer setting ting for analog
31. ts edges Plug the module firmly into place Use of excessive 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 recog nize your module as an unknown device after reboot and will prompt you to provide necessary driver You should ignore the prompting messages just click the Cancel button and set up the driver according to the steps described in Section 2 2 Driver Installation USB 4718 User Manual 12 Device Manager File Action View Help amp g A Q46186T Computer z DA amp C USB Devices amp S Disk drives iQ Display adapters Floppy disk controllers E IDE ATA ATAPI controllers gt Keyboards 7 gt Mice and other pointing devices a E9 Network adapters I Ports COM amp LPT Processors Sound video and game controllers Monitors E System devices ka Universal Serial Bus controllers Figure 2 2 Device Manager Screen Note If your module is properly installed you should see the device name of your module listed on the Device Manager tab If you see your device name listed but marked with an exclamation sign Fig 2 4 it means your module has not been correctly installed In this case remove the mod ule from Device Manager by selecting its device name and press the Remove button Then go through the driver installati
32. uctions on how to build your own applications using each development tool will be given in the Device Drivers Manual Moreover arich set of example source code is also given for your reference 1 5 1 Programming Tools Programmers can develop application programs with the following devel opment tools e Visual C e Visual Basic For instructions on how to begin programming in each development tool a Tutorial Chapter is included in the Device Drivers Manual for your reference Please refer to the corresponding sections in this chapter 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 For information about using other function groups or other development tools please refer to Creating Windows 2000 XP Applications with Device Drivers chapter and the Function Overview chapter in the Device Drivers Manual USB 4718 User Manual 6 1 5 2 Programming with Device Dri
33. vers Function Library The Device Drivers offer a rich function library that can be utilized in various application programs This function library consists of numerous APIs that support many development tools such as Visual C Visual Basic 1 5 3 Troubleshooting Device Drivers Error Driver functions will return a status code when they are called to perform a certain task for the application When a function returns a code that is not zero it means the function has failed to perform its designated function To troubleshoot the Device Drivers error you can pass the error code to DRV_GetErrorMessage function to return the error message Alternatively you can refer to the Device Drivers Error Codes Appendix in the Device Drivers Manual for a detailed listing of Error Codes Error IDs and the Error Messages 7 Chapter 1 USB 4718 User Manual Installation This chapter has a package item check list proper instructions about unpack ing and step by step procedures for both driver and USB installation Sections include e Unpacking e Driver Installation e Hardware Installation e Device Setup amp Configuration e Device Testing e Hardware Uninstallation Chapter 2 Installation 2 1 Unpacking After receiving your USB 4718 package please inspect its contents first The package should contain the following items e USB 4718 Module e Shielded USB 2 0 Cable 1 8 m e Companion CD ROM DLL driver included The USB 4718
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