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USB-4702

10 kS/s, 12-bit, USB
Multifunction Module

User Manual

Summary of Contents for USB-4702

Page 1: ...USB 4702 10 kS s 12 bit USB Multifunction Module User Manual ...

Page 2: ...form or by any means without the prior written permission of Advantech Co Ltd Information provided in this manual is intended to be accurate and reli able However Advantech Co Ltd assumes no responsibility for its use nor for any infringements of the rights of third parties which may result from its use Acknowledgements Intel and Pentium are trademarks of Intel Corporation Microsoft Windows and MS...

Page 3: ...placement materials service time and freight Please consult your dealer for more details If you think you have a defective product follow these steps 1 Collect all the information about the problem encountered For example CPU speed Advantech products used other hardware and software used etc Note anything abnormal and list any onscreen messages you get when the problem occurs 2 Call your dealer an...

Page 4: ...e and serial number Description of your peripheral attachments Description of your software operating system version appli cation software etc A complete description of the problem The exact wording of any error messages Document Feedback To assist us in making improvements to this manual we would welcome comments and constructive criticism Please send all such in writing to support advantech com ...

Page 5: ... O Connector Pin Assignment 12 3 2 2 I O Connector Signal Description 13 Table 3 1 I O Connector Signal Description 13 3 3 Analog Input Connections 13 3 3 1 Single ended Channel Connections 13 Figure 3 2 Single Ended Input Channel Connection 14 3 3 2 Differential Input Connections 14 Figure 3 3 Differential Input Channel Connection 15 3 4 Analog Output Connections Voltage 15 Figure 3 4 Analog Outp...

Page 6: ...USB 4702 User Manual vi ...

Page 7: ...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 USB 4702 Module Sections include Features Software Overview ...

Page 8: ...ing rate 8 digital input 8 digital output channels TTL Level 2 analog output channels 16 bit programmable counter timer x 1 Programmable gain for each analog input channel Automatic channel gain scanning Onboard 512K samples FIFO buffer for AI channels Bus powered Supports high speed USB 2 0 Auto calibration function Hot swappable Note The USB chip on your system may have a limitation on the numbe...

Page 9: ...nual for your reference Please refer to the corresponding sections in these chap ters on the Device Drivers Manual to begin your programming efforts You can also look at the example source code provided for each program ming 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...

Page 10: ...USB 4702 User Manual 4 ...

Page 11: ...2 CHAPTER 2 Installation Sections include Unpacking Driver Installation Hardware Installation Hardware Uninstallation ...

Page 12: ...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 Make contact between the antistatic bag and ground before opening After taking out the module you should first Inspect the module for any possib...

Page 13: ... USB 4702 module into your system since this will guarantee a smooth installation process The 32 bit DLL driver Setup program for the USB 4702 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 ...

Page 14: ...al 8 For further information on driver related issues an online version of the Device Drivers Manual is available by accessing the following path Start Programs Advantech Automation Device Manager Device Driver s Manual ...

Page 15: ...und at Start Programs Advantech Automation Advantech Device Man ager Device Driver s Manual 2 4 Hardware Uninstallation Though the Advantech 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 Hardwa...

Page 16: ...vantech USB 4702 Device and press Stop Button 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 ...

Page 17: ...es useful informa tion on how to connect input and output signals to the USB 4702 via the I O connectors Sections include Overview I O Connectors Analog Input Connections Analog Output Connections Trigger Source Connections Field Wiring Considerations ...

Page 18: ...ctly A good signal connection can avoid unnecessary and costly damage to your PC and other hardware devices 3 2 I O Connectors USB 4702 is equipped with one DB 37 connector that facilitates signal connections to the module 3 2 1 Pin Assignments Figure 3 1 I O Connector Pin Assignment Warning The two ground references AGND and DGND should be used separately for their designated purpose Do not conne...

Page 19: ...ded channel to a floating signal source In this mode USB 4702 provides a reference ground for external floating signal sources Figure 3 2 shows a single ended channel connection between a floating signal source and an input channel on USB 4702 Table 3 1 I O Connector Signal Description Signal Name Reference Direction Description AI 0 7 AGND Input Analog Input Channels 0 through 7 AO0 AO1 AGND Outp...

Page 20: ...d Therefore the ground of the signal source and the ground of the card will not be exactly of the same voltage The difference between the ground voltages forms a commonmode voltage Vcm To avoid the ground loop noise effect caused by common mode voltages you can connect the signal ground to the Low input Figure 3 3 shows a differential channel connection between a grounded reference signal source a...

Page 21: ...al Input Channel Connection 3 4 Analog Output Connections Voltage USB 4702 provides two analog output channels AO0 and AO1 Figure 3 4 shows how to make analog output connections on USB 4702 Figure 3 4 Analog Output Channel Connections ...

Page 22: ...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...

Page 23: ...2 APPENDIX A Specifications ...

Page 24: ...d Gain List Gain 1 20 16 10 8 5 4 2 1 Gain Code 4 5 2 9 1 10 0 4 15 S E V 10 Differential V 1 1 25 2 2 5 4 5 10 20 Drift Gain G 1 to 20 V V Zero uV C 9 Gain ppm C 30 Small Signal Bandwidth for PGA Gain G 1 to 20 V V Bandwidth MHz 0 01 Input Protection 30V max Input Impedance 127 k Input Common Mode Voltage 100mV Accuracy DC Gain G 1 to 20 V V INLE LSB 3 DNLE LSB 1 5 Gain Error FSR 0 15 ...

Page 25: ...e 10uS Input Channels 8 TTL Input Voltage Low 0 8 V max High 2 0 V min Output Channels 8 TTL Output Voltage Low 0 4V max High 3 5V min Channels 1 Resolution 32 bits Input Frequency 5 MHz max Input Voltage Low 0 8 V max High 2 0 V min I O Connector Type 1 x DB37 female connector Dimensions 70 x 70 mm 2 76 x 2 76 Power Consumption Typical 5 V 100 mA Max 5 V 500 mA Temperature Operation 0 55 C 32 131...

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