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Advantech 4718 manual

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Table of contents for the manual

  • Page 1

    USB-4718 8-Channel Thermocouple Input Module User Manual[...]

  • Page 2

    USB-4718 User Manual ii Copyright The documentation and th e software included with this product are copy- righted 2005 by Advantech Co., Lt d. All rights are reserved. Advantech Co., Ltd. reserves the right to make improvements in the products described in this manual at any time wi thout notice. No part of this man- ual may be reproduced, copied,[...]

  • Page 3

    iii Product W a rranty (2 years) Advantech warrants to you, the original purchaser , that each of its prod- ucts will be free from defects in mat erials and workm anship for two years from the date of purchase. This warranty does not apply t o any products which have b een repaired or altered by persons other than repair perso nnel authorized by Ad[...]

  • Page 4

    USB-4718 User Manual iv CE This product has passed the CE test for environmental specificati ons when shielded cables are used for external wiring. W e recommend the use of shielded cables. This kind of cable is available from Advantech. Please contact your local supplier for orderi ng information. T echnical Support and Assistance Step 1. V isit t[...]

  • Page 5

    v Table of Contents Contents Chapter 1 Introd uction ..................................................... 2 1.1 Features ............. .............. ........... .............. ........... .............. 2 1.2 Applications .................... .............. ........... .............. ........... 3 1.3 Installation Guide ... .............. .......[...]

  • Page 6

    USB-4718 User Manual vi Figure 3.1:I/O Connector Pin As signment ...... ............ 23 3.2.2 I/O Connector Signa l Description . ............ ........... ........ 24 Table 3.1:I/O Connector Signal Description .. ............. 24 3.2.3 LE D Indicator Status Descript ion .......... ........... ........... 24 Table 3.2:LED Indicato r Status Descripti[...]

  • Page 7

    2 CHAPTER 1 Introduction This chapter will provide informati on on the features of the DAS module, a quick start guide for install ation, and some brief information on software and accessories for the USB-4718 Module. Sections include: • Features • Application s • Installation Guide • Software Overview • Device Driver • Programmin g Roa[...]

  • Page 8

    USB-4718 User Manual 2 Chapter 1 Introduction USB-4718 offers 8 thermocouple inpu ts with 1 6-bit resoluti on, up to 0.1% input range accuracy , or 4~20 mA inputs. Reliable and rugged enough for indu strial applicat ions, yet inexpensiv e enough for home projects, USB-4718 is the perfect way to add measu rement and control capability to any USB cap[...]

  • Page 9

    3 Chapter 1 1.3 Inst allation Guide Before you install your USB-4 718 module, please make su re you have the following necessary components: • USB-4718 DAS Module • USB-4718 User Manual • Shielded USB 2.0 cable (1.8 m) • Driver software Advantech DLL drivers (included in the companion CD-ROM) • Personal computer or workstation with a USB [...]

  • Page 10

    USB-4718 User Manual 4 Figure 1.1: Installation Flow Chart[...]

  • Page 11

    5 Chapter 1 1.4 Sof tware Overview Advantech offers a rich set of DLL dr ivers, third-party driver su pport and application software to help fully exploit t he functions of your USB-47 18 module: • Device Drivers (on the companion CD-ROM) • LabVIEW driver • Advantech ActiveDAQ 1.4.1 Programming Choices for DA&C Module: Y ou may use Advant[...]

  • Page 12

    USB-4718 User Manual 6 1.5 Device Driver Programming Roadmap This section will pro vide a roadmap to demonstrate how to build an appli- cation from scratch using Advantech Device Driv ers with your favorite development tools such as V isual C ++, V isual Basic, Delphi, or C++ Builder . The step-by-step inst ructions on how to build your ow n applic[...]

  • Page 13

    7 Chapter 1 1.5.2 Programming with Device Drivers Functio n Library Advantech Device Drivers of fer a rich fu nction library that can be utilized in various application program s. This function library consists of numer- ous APIs that support many development tools, such as V isual C++, V isual Basic, Delphi and C++ Builder . 1.5.3 T roubleshooting[...]

  • Page 14

    USB-4718 User Manual 8[...]

  • Page 15

    2 CHAPTER 2 Inst allation This chapter has a package item check- list, proper instructions about unpack- ing and step-by-step procedures for both driver and USB installa tion.. Sections include: • Unpacking • Driver Installation • Hardware Installation • Device Setup & Configuration • Device T esting • Hardware Uninstallation[...]

  • Page 16

    USB-4718 User Manual 10 Chapter 2 Inst allation 2.1 Unp acking After receiving your USB-4 718 package, please inspect its contents first. The package should contai n the followin g items: • USB-4718 Module • Shielded U SB 2.0 Cable ( 1.8 m) • Companion CD-ROM (D LL driver included) • User Manual The USB-4718 Modul e harbors certain electron[...]

  • Page 17

    11 Chapter 2 2.2 Driver Inst allation W e reco mmend you install the software driver before you in stall the USB-4718 module into yo ur system, si nce this w ill gu arantee a smooth installation process. The 32-bit DLL driver Setup program fo r the USB-4718 module is included on th e companion CD-ROM that is shipped with your module package. Please[...]

  • Page 18

    USB-4718 User Manual 12 St e p 4 : Select the specific device and th en just follow the in stallation instructions step by step to complete your device driver installation an d setup. For further information on driver-related issues, an online version of the Device Drivers Manual is availabl e by accessing the following path: S tartProgramsAdvant[...]

  • Page 19

    13 Chapter 2 Figure 2.2: Device Manager Screen Y ou can check the Device Properties to see if your device is runni ng under "Full Speed" mode (USB 1.1) or "Hig h Speed" mode (USB 2 .0). See figure 2.3 on the next page. Note: If your modu le is properly inst alled, you should see the device name of you r module listed on the Devi[...]

  • Page 20

    USB-4718 User Manual 14 Figure 2.3: USB-4718 Device Speed After your module is properly installed with you r system, you can now configure your device using the Advant ech Device Manager that h as itself already been installed on your system during driver setup. A com- plete device installation pr ocedure should include device setup , configu- rati[...]

  • Page 21

    15 Chapter 2 2.4.1 Setting Up the Device S t ep 1: T o complete the device setup an d configuration procedures, yo u must first install the device along with its driver . (Please refer to the pre- vious section of Chapter 2 for detai led installation in structions). St e p 2 : Y ou can view the device(s) alrea dy installed on your syst em (if any) [...]

  • Page 22

    USB-4718 User Manual 16 "Restore" will reset device configuratio ns to the factory settings. Figure 2.5: The Device Setting Dialog Box 1. Board ID: Set the Board ID fo r easy identification. 2. Locate: The on-module LED indicator blinks when you con tinually press “ Locate ” button. 3. Label string: Edit the strin g label for identifi[...]

  • Page 23

    17 Chapter 2 4. AI Channel setting: Set the thermocouple type/ analog inpu t range for each AI channel. 5. Sample Rate adju stment: 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 Setting. Tif) 7. CJC Offset: Adjust CJC offset setting. (CJC [...]

  • Page 24

    USB-4718 User Manual 18 2.5 Device T esting Following the Setup and Configurat ion procedures to the last step described in the previous section, y ou can now proceed to test the device by clicking the Te s t Button in the I/O Device Installation dialog window . In the Device T est dialog window , you are free to test various functions o f USB-4718[...]

  • Page 25

    19 Chapter 2 Figure 2.6: Analog Input T ab/Device T e st Dialog 2.5.2 T esting Analog Output Function Unsupported on thi s module. Figure 2.7: Analog Output Function Not Supported[...]

  • Page 26

    USB-4718 User Manual 20 2.5.3 T esting Digital Input Function Click the Digital In put 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 Gr een lamp: Low Figure 2.8: Digital Input T ab/Device T est Dialog 2.5.4 [...]

  • Page 27

    21 Chapter 2 2.5.5 T esting Counter Function Unsupported on thi s module. Figure 2.10: Counter T ab T esting Unsupported Only after your module device is pro perly set up, configured and tested, can the device installation procedure be considered complete. After the device installation procedure is comple ted, you can safely proceed to the next cha[...]

  • Page 28

    USB-4718 User Manual 22 Figure 2.1 1: Unplug or Eject Hardware Dialog St e p 3 : Select “Advantech USB4718 Device” and press “Stop” Button. Figure 2.12: S top a Hardware device dialog box St e p 4 : Unplug your USB device from the USB port. Note: Please make sure that you have closed the appli- cation programs before unplug ging the USB dev[...]

  • Page 29

    2 CHAPTER 3 Signal Connections This chapter provides useful informa- tion on how to connect input and ou tput signals to the USB-4718 via the I/O connectors.. Sections include: • Overview • I/O Connectors • Analog Input Connections • Analog Output Connection s • Tr igger Source Connections • Field W iring Considerations[...]

  • Page 30

    USB-4718 User Manual 24 Chapter 3 Signal Connections 3.1 Overview Maintaining good signal con nections is one of the most important facto rs in ensuring that your application system is sending and receiving data correctly . A good signal connection can avoid unnecessary and costly damage to y our PC and other hardware d evices. 3.2 I/O Connectors U[...]

  • Page 31

    25 Chapter 3 Figure 3.1: I/O Connector Pin Assignment[...]

  • Page 32

    USB-4718 User Manual 26 3.2.2 I/O Connector Signal Description 3.2.3 LED Indicator S t atus Description The USB Module is equipped with a LED indicator to show the current status of the dev ice. When you plug the USB device i nto the USB port, the LED indicator will blink five tim es and then stay lit to indicate that it is on. Please refer to the [...]

  • Page 33

    27 Chapter 3 3.2.4 3.2.4 Jumper Setting Description JP1~JP8: Input Mode Sett in g 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 vol tage sources or the current sources. Inappropriate setting o f the jumpers can cause unpredictable errors or malfunction of USB -4718. T[...]

  • Page 34

    USB-4718 User Manual 28 JP13: W atchdog Timer Setting The watchdog timer supervisory fun ction will automatically reset USB- 4718 in the event of system failur e. JP13 on USB-4718 can enable/dis- able watchdog timer function or reset module manuall y . How to Reset USB-4718 Manually Plug the jumper to JP13 pin2-3 and then remove it, USB-47 18 will [...]

  • Page 35

    29 Chapter 3 3.3 Analog Input Connections The dif ferential input channels ope rate with two signal wires for each channel, and the voltage difference between both signal wires is mea- sured. There are 8 an alog input channels available on USB-4718 Figure 3.2: Differential Input Channel Connection 3.4 Isolated Digi t al Input Connections USB-4718 h[...]

  • Page 36

    USB-4718 User Manual 30 Figure 3.3: Digital Inpu t Channel Connections 3.5 Isolated Digit a l Output Connections USB-4718 has 8 isolated digital outpu t channels designated IDO0~IDO7. Each of isolated output channels co mes equipped with a Darlington tran- sistor . All 8 ou tput channels share common collectors and integral sup- pression diodes for[...]

  • Page 37

    31 Chapter 3 Figure 3.4: Isol ated Digit al Input Chann el Connection s 3.6 Field Wiring Considerations • When you use USB-4718 to acquire data from outsi de, noises in the environment might signifi cantly affect the accuracy of your measure- ments if due cautions are not taken. The following measures will be helpful to reduce possible interferen[...]

  • Page 38

    USB-4718 User Manual 32 • 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 signa l cable in a right angle to the power line to minimi ze the undesirable effect.[...]

  • Page 39

    2 APPENDIX A Sp ecifications[...]

  • Page 40

    USB-4718 User’s Manual 34 Appendix A Specifications A.1 Analog Input A.2 Accuracy for Thermocouple: NOTE: Due to the location of the CJC se nsor , the measurement will have a 1°C max. difference in channels. T able A.1: Analog Input Channels 8 differential Input type mV , V , and mA Input range J, K, T , E, R, S and B Thermocouple Uni-polar 0~15[...]

  • Page 41

    35 Chapter A A.3 Isolated Digit al Input A.4 Isolated Digit al Output T able A.3: Isolated Digital Input Channels 8 Interrupt Input s N/A Optical Iso lation 2500 VDC Opto-isolator response time 25 µ s ESD 2,000 VDC Input V oltage 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 VD[...]

  • Page 42

    USB-4718 User’s Manual 36 A.5 General T able A.5: General I/O Connector T ype Removable 10-pin screw terminal x 4 Dimensions (LxW xH) 132 x 80 x 32 mm (5.2" x 3.2" x 1.3") W atchdog timer Ye s Power requir ement s USB bus-powered Power Consumptio n 100mA @5V max. T emperature Operation 0~60° C (32~140° F) (refer to IEC 68-2-1, 2)[...]

  • Page 43

    2 APPENDIX B Function Block[...]

  • Page 44

    USB-4718 User Manual 38 Appendix B Function Block[...]

  • Page 45

    2 APPENDIX C Firmware Download Utility[...]

  • Page 46

    USB-4718 User Manual 40 Appendix C Firmware Download Utility The firmware download utility can help yo u update your device’ s firmware to the newest version to get the latest bug fixes and func tion improvements. Figure C.1: Install Firmwa re Download Utility Screen The steps on the following pages will guide you th rough the USB-4718 firmware u[...]

  • Page 47

    41 Appendix C S t ep1 - Select Device: Launch the firmware download utili ty and press “ Select …” button to choice t he target de vice. Y ou can check the working firmware version at the “Firmware V ersion” item. Figure C.2: USB Download Utility S t ep2 - Select Firmware File: Press “ Load… ” button to select the firmware. Figure C[...]

  • Page 48

    USB-4718 User Manual 42 S t ep3 - Download Firmware: Press “ Downlo ad ” to start downloading the firmware to your target device. Then press “OK”, unplu g your device and reinstall it to bring the new settings effective. Figure C.4: Firmware Download Completed.[...]

  • Page 49

    Appendix D Analog Input Calibration[...]

  • Page 50

    USB-4718 User’s Manual 44 Appendix D Analog Input Calibration The following steps will guide you through the USB-4718 analog inp ut channel software calibration. Please perform BOTH voltage and current input calibrating procedures to comp lete the calibration of USB-4718’ s analog input ch annels. D.1 V olt age Input Calibration Y ou need to ca[...]

  • Page 51

    45 Chapter D Figure D.1: USB-4718 Device Setting window S t ep 2: Select “0~0.015V ” voltage input range (or any) and connect the 0V voltage source to AI0 of USB-4718, then click “ Calibrate ”. The information box will show up after the zero range calibration is com- pleted. Then click “ OK ”.[...]

  • Page 52

    USB-4718 User’s Manual 46 Figure D.2: USB-4718 Calibration W izard Figure D.3: Zero range calibration complete S t ep 3: Please start the full range calibration by connecting to the full range voltage source and click “ Calibrate ”. Y ou will see a dialog box and click “ OK ” to finish the calibration process[...]

  • Page 53

    47 Chapter D Figure D.4: Full range cali bration Figure D.5: Calibration Complete St e p 4 : Please repeat the procedures a bove to complete the ot her input ranges (0~0.050V/0~0.100V /0~0.500V/0~1.0V /0~2.5V) calibration.[...]

  • Page 54

    USB-4718 User’s Manual 48 D.2 Current Input Calibration Y ou need to calibrate only one channel (AI0). The other channel s 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 inpu t calibrating. St e p 1 : Please follow the procedures of vo ltage inp[...]