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Measurement Computing USB-3102 User Manual

Four analog voltage output (16-bit), four analog current output (16-bit) eight digital i/o, one 32-bit event counter, full-speed usb 2.0 device
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Summary of Contents for Measurement Computing USB-3102

  • Page 2 USB-3102 USB-based Analog Output User's Guide Document Revision 4A, March, 2009 © Copyright 2009, Measurement Computing Corporation...
  • Page 3 Other product and company names mentioned herein are trademarks or trade names of their respective companies. © 2009 Measurement Computing Corporation. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form by any means, electronic, mechanical, by photocopying, recording, or otherwise without the prior written permission of Measurement Computing Corporation.

  • Page 4: Table Of Contents

    Overview: USB-3102 features ..........................7 USB-3102 block diagram ........................... 8 Software features ..............................Chapter 2 Installing the USB-3102 ........................9 What comes with your USB-3102 shipment? ....................9 Hardware ..................................8 Additional documentation ..............................9 Unpacking the USB-3102 ..........................Installing the software ............................10 Installing the hardware .............................
  • Page 5 USB-3102 User's Guide Environmental ..............................24 Mechanical ............................... 24 Main connector and pin out ..........................24 Declaration of Conformity ........................25...

  • Page 6: Preface

    Preface About this User’s Guide What you will learn from this user's guide This user's guide describes the Measurement Computing CIO-DDA06/Jr/16 data acquisition board and lists hardware specifications. Conventions in this user's guide For more information Text presented in a box signifies additional information related to the subject matter.

  • Page 7: Introducing The Usb-3102

    Overview: USB-3102 features This user's guide contains all of the information you need to connect the USB-3102 to your computer and to the signals you want to control. The USB-3102 is part of the Measurement Computing brand of USB-based data acquisition products.

  • Page 8: Usb-3102 Block Diagram

    Figure 2. USB-3102 block diagram Software features For information on the features of InstaCal and the other software included with your USB-3102, refer to the Quick Start Guide that shipped with your device. The Quick Start Guide is also available in PDF at www.mccdaq.com/PDFs/manuals/DAQ-Software-Quick-Start.pdf.

  • Page 9: Installing The Usb-3102

    As with any electronic device, you should take care while handling to avoid damage from static electricity. Before removing the USB-3102 from its packaging, ground yourself using a wrist strap or by simply touching the computer chassis or other grounded object to eliminate any stored static charge.

  • Page 10: Installing The Software

    Connecting the USB-3102 to your system To connect the USB-3102 to your system, turn your computer on, and connect the USB cable to a USB port on your computer or to an external USB hub that is connected to your computer. The USB cable provides power and communication to the USB-3102.

  • Page 11: Calibrating The Usb-3102

    If the power LED turns off If the power LED is illuminated but then turns off, the computer has lost communication with the USB-3102. To restore communication, disconnect the USB cable from the computer, and then reconnect it. This should restore communication, and the power LED should turn back on.

  • Page 12: Functional Details

    Status LED The Status LED indicates the communication status of the USB-3102. It flashes when data is being transferred, and is off when the USB-3102 is not communicating. This LED uses up to 10 mA of current and cannot be disabled.

  • Page 13: Screw Terminal Banks

    Screw terminal banks The USB-3102 has two rows of screw terminals—one row on the top edge of the housing, and one row on the bottom edge. Each row has 28 connections. Use 16 AWG to 30 AWG wire gauge when making screw terminal connections.

  • Page 14: Analog Voltage Output Terminals (Vout0 To Vout3)

    USB-3102 User's Guide Functional Details Figure 5. USB-3102 signal pin out Analog voltage output terminals (VOUT0 to VOUT3) The screw terminal pins labeled are voltage output terminals (see Figure 5). The voltage VOUT0 VOUT3 output range for each channel is software-programmable for either bipolar or unipolar. The bipolar range is ±10 V, and the unipolar range is 0 to 10 V.

  • Page 15: Current Test Terminal (Itest)

    USB-3102 User's Guide Functional Details Floating Supply Floating Ext. IOUTn+1 Supply Floating Load IOUTn+2 IOUTn+2 IOUTn+2 IOUTn+2 Floating Supply Floating Ext. IOUTn+1 Supply Floating Load IOUTn+1 IOUTn+1 IOUTn+1 IOUTn+1 Floating Supply Floating Ext. IOUTn+1 Supply Floating Load IOUTn IOUTn IOUTn...

  • Page 16: Digital I/O Terminals (Dio0 To Dio7)

    USB-3102 User's Guide Functional Details Digital I/O terminals (DIO0 to DIO7) You can connect up to eight digital I/O lines to the screw terminals labeled (pins 21 through 28). DIO0 DIO7 You can configure each digital bit for either input or output.

  • Page 17: Synchronous Dac Load Terminal (Syncld)

    DAC outputs of both devices. Do the following. 1. Connect the SYNCLD pin of the master USB-3102 to the SYNCLD pin of the slave USB-3102. 2. Configure the SYNCLD pin on the slave device for input to receive the D/A LOAD signal from the master device.
  • Page 18 USB-3102 User's Guide Functional Details When the SYNCLD pin on the slave device receives the signal, the analog output channels on each device are updated simultaneously. An example of a master/slave configuration is shown here. D/A LOAD signal Master Slave...

  • Page 19: Specifications

    Chapter 4 Specifications Typical for 25 °C unless otherwise specified. Specifications in italic text are guaranteed by design. Analog voltage output Table 1. Analog voltage output specifications Parameter Conditions Specifications Digital to Analog converter DAC8554 Number of channels (Note 1) Resolution 16 bits Output ranges...

  • Page 20: Analog Current Output

    The maximum differential non-linearity specification applies to the entire 0 to 50 °C temperature Note 4: range of the USB-3102. This specification also accounts for the maximum errors due to the software calibration algorithm (in Calibrated mode only) and the DAC8554 digital to analog converter non-linearities.

  • Page 21: Analog Output Calibration

    The maximum differential non-linearity specification applies to the entire 0 to 70 °C temperature range of the USB-3102. This specification also accounts for the maximum errors due to the software calibration algorithm (in Calibrated mode only) and the DAC8554 digital to analog converter non-linearities.

  • Page 22: Synchronous Dac Load

    USB-3102 User's Guide Specifications Synchronous DAC Load Table 8. SYNCLD I/O specifications Parameter Conditions Specification Pin name SYNCLD (terminal block pin 49) Power on and reset state Input Pin type Bidirectional Termination Internal 100K ohms pull-down Software selectable direction Output Outputs internal D/A LOAD signal.

  • Page 23: Microcontroller

    30mA max. Note 11: This is the total quiescent current requirement for the USB-3102 which includes up to 10 mA for the status LED. This does not include any potential loading of the digital I/O bits, +5V user terminal, ITEST, or the VOUTx/IOUTx outputs.
  • Page 24 USB-3102 User's Guide Specifications Environmental Table 14. Environmental specifications Operating temperature range 0 to 50 °C Storage temperature range -40 to 85 °C Humidity 0 to 90% non-condensing Mechanical Table 15. Mechanical specifications Dimensions 127 mm (L) x 88.9 mm (W) x 35.56 (H) Main connector and pin out Table 16.
  • Page 25 Address: 10 Commerce Way Suite 1008 Norton, MA 02766 Measurement Computing Corporation declares under sole responsibility that the product USB-3102 to which this declaration relates is in conformity with the relevant provisions of the following standards or other documents: Category: Electrical equipment for measurement, control and laboratory use.
  • Page 26 Measurement Computing Corporation NI Hungary Kft 10 Commerce Way H-4031 Debrecen, Hátar út 1/A, Hungary Norton, Massachusetts 02766 Phone: +36 (52) 515400 (508) 946-5100 Fax: +36 (52) 515414 Fax: (508) 946-9500 http://hungary.ni.com/debrecen E-mail: info@mccdaq.com www.mccdaq.com...

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