Advantech 4718 - Manuals

2 CHAP T ER 1 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: • Features• Applications• Installation Guide• Software Overview• ...

USB-4718 User Manual 2 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 enough for home projects, USB-4718 is the perfect way to add measure...

3 Chapter 1 1.3 Installation Guide Before you install your USB-4718 module, please make sure 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 co...

5 Chapter 1 1.4 Software Overview Advantech 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:• Device Drivers (on the companion CD-ROM)• LabVIEW driver• Advantech ActiveDAQ 1.4.1 Programming Choices for ...

USB-4718 User Manual 6 1.5 Device Driver Programming Roadmap This section will provide a roadmap to demonstrate how to build an appli-cation from scratch using Advantech Device Drivers with your favorite development tools such as Visual C++, Visual Basic, Delphi, or C++ Builder. The step-by-step ins...

7 Chapter 1 1.5.2 Programming with Device Drivers Function Library Advantech Device Drivers offer a rich function library that can be utilized in various application programs. This function library consists of numer-ous APIs that support many development tools, such as Visual C++, Visual Basic, Delp...

2 CHAP T ER 2 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: • Unpacking• Driver Installation• Hardware Installation• Device Setup & Configuration• Device Testing• H...

USB-4718 User Manual 10 Chapter 2 Installation 2.1 Unpacking After receiving your USB-4718 package, please inspect its contents first. The package should contain the following items:• USB-4718 Module• Shielded USB 2.0 Cable (1.8 m)• Companion CD-ROM (DLL driver included)• User Manual The USB-4718 Mo...

11 Chapter 2 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 ...

USB-4718 User Manual 12 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 t...

13 Chapter 2 Figure 2.2: Device Manager Screen 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. Note: If your module is properly installed, you should see the device...

15 Chapter 2 2.4.1 Setting Up the Device Step 1: To complete the device setup and configuration procedures, 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 ...

17 Chapter 2 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 Setting. Tif) 7...

19 Chapter 2 Figure 2.6: Analog Input Tab/Device Test Dialog 2.5.2 Testing Analog Output Function Unsupported on this module. Figure 2.7: Analog Output Function Not Supported

21 Chapter 2 2.5.5 Testing Counter Function Unsupported on this module. Figure 2.10: Counter Tab Testing Unsupported 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 compl...

2 CHAP T ER 3 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: • Overview• I/O Connectors• Analog Input Connections• Analog Output Connections• Trigger Source Connections• Field Wiring Co...

USB-4718 User Manual 24 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...

27 Chapter 3 3.2.4 3.2.4 Jumper Setting Description 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 unpre...

USB-4718 User Manual 28 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. How to Reset USB-4718 Manually Plug the jumper to JP13...

29 Chapter 3 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 Figure 3.2: Differential Input Channel Connection 3.4 I...

USB-4718 User Manual 30 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 collec...

31 Chapter 3 Figure 3.4: Isolated Digital Input Channel Connections 3.6 Field Wiring Considerations • When you use USB-4718 to acquire data from outside, noises in the environment might significantly affect the accuracy of your measure-ments if due cautions are not taken. The following measures will...

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 sensor, the measurement will have a 1°C max. difference in channels. Table A.1: Analog Input Channels 8 differential Input type mV, V, and mA Input range J, K, T, ...

35 Chapter A A.3 Isolated Digital Input A.4 Isolated Digital Output Table A.3: Isolated Digital Input Channels 8 Interrupt Inputs N/A Optical Isolation 2500 VDC Opto-isolator response time 25 µ s ESD 2,000 VDC Input Voltage VIH (max.) 30 VDC VIH (min.) 5 VDC VIL (max.) 3 VDC Input Current 10 VDC 2.9...

USB-4718 User Manual 40 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. Figure C.1: Install Firmware Download Utility Screen The steps on the following pages wil...

41 Appendix C 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 sele...

USB-4718 User Manual 42 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. Figure C.4: Firmware Download Completed.

USB-4718 User’s Manual 44 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 V...

45 Chapter D Figure D.1: USB-4718 Device Setting window Step 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 ”.

USB-4718 User’s Manual 46 Figure D.2: USB-4718 Calibration Wizard 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 finish the calibration p...

47 Chapter D Figure D.4: Full range calibration 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.

USB-4718 User’s Manual 48 D.2 Current Input Calibration You need to calibrate only one channel (AI0). 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 : Pl...