Benutzeranleitung / Produktwartung 4718 des Produzenten Advantech
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USB-4718 8-Channel Thermocouple Input Module User Manual.
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.
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.
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.
v Table of Contents Contents Chapter 1 Introd uction ..................................................... 2 1.1 Features ............. .............. ........... .............. ........... .............. 2 1.2 Applications .................... ......
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 .
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.
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.
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.
USB-4718 User Manual 4 Figure 1.1: Installation Flow Chart.
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.
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 .
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 .
USB-4718 User Manual 8.
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.
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.
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.
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.
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.
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.
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).
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.
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.
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 .
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.
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 .
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.
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.
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.
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.
25 Chapter 3 Figure 3.1: I/O Connector Pin Assignment.
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.
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.
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 .
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.
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 .
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.
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.
2 APPENDIX A Sp ecifications.
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.
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.
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.
2 APPENDIX B Function Block.
USB-4718 User Manual 38 Appendix B Function Block.
2 APPENDIX C Firmware Download Utility.
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.
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.
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.
Appendix D Analog Input Calibration.
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.
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.
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 ”.
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.
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.
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