Measurement Computing USB-3100 Series User Manual

16 analog voltage output (16-bit) eight digital i/o, one 32-bit event counter. full-speed usb 2.0 device
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  • Page 2 USB-3105 USB-based Analog Output User Guide Document Revision 3A, 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

    Table of Contents Preface About this User's Guide........................6 What you will learn from this user's guide ......................6 Conventions in this user's guide ............................6 Where to find more information .........................6 Chapter 1 Introducing the USB-3105 ........................7 Overview: USB-3105 features ..........................7 USB-3105 block diagram ...........................8 Software features ..............................8 Chapter 2...
  • Page 5 USB-3105 User's Guide Mechanical................................21 Main connector and pin out ..........................21 Declaration of Conformity ........................22...
  • 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 USB-3105 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-3105

    Overview: USB-3105 features This user's guide contains all of the information you need to connect the USB-3105 to your computer and to the signals you want to control. The USB-3105 is part of the Measurement Computing brand of USB-based data acquisition products.
  • Page 8: Usb-3105 Block Diagram

    USB-3105 User's Guide Introducing the USB-3105 USB-3105 block diagram USB-3105 functions are illustrated in the block diagram shown here. Full-speed USB 2.0 Compliant Interface 4-channel Quad Analog Voltage Output 16 channels (16-bit) 8 channels Microcontroller SYNCLD Event Counter 1 channel (32-bit) Figure 2.
  • Page 9: Installing The Usb-3105

    Chapter 2 Installing the USB-3105 What comes with your USB-3105 shipment? The following items are shipped with the USB-3105. Hardware  USB-3105 device  USB cable (2 meter length) Additional documentation In addition to this hardware user's guide, you should also receive the Quick Start Guide (available in PDF at www.mccdaq.com/PDFs/manuals/DAQ-Software-Quick-Start.pdf).
  • Page 10: Installing The Software

    Fax: 508-946-9500 to the attention of Tech Support  Email: techsupport@mccdaq.com Installing the software Refer to the Quick Start Guide for instructions on installing the software on the Measurement Computing www.mccdaq.com/PDFs/manuals/DAQ- Data Acquisition Software CD. This booklet is available in PDF at Software-Quick-Start.pdf. Installing the hardware Be sure you are using the latest system software Before you connect the USB-3105, make sure that you are using the latest versions of the USB drivers.
  • Page 11: Calibrating The Usb-3105

    LED should turn back on. Calibrating the USB-3105 The USB-3105 is shipped fully calibrated. Calibration coefficients are stored in the device FLASH memory. Return the device to Measurement Computing Corporation when calibration is required. The normal calibration interval is once per year.
  • Page 12: Functional Details

    Chapter 3 Functional Details External components The USB-3105 has the following external components, as shown in Figure 3.  USB connector  Status LED  Power LED  Screw terminal banks (2) Screw terminal pins 29 to 56 Status LED Power LED Screw terminal pins 1 to 28...
  • Page 13: Screw Terminal Banks

    USB-3105 User's Guide Functional Details Screw terminal banks The USB-3105 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 Vout15)

    USB-3105 User's Guide Functional Details Figure 5. USB-3105 signal pin out Analog voltage output terminals (VOUT0 to VOUT15) The screw terminal pins labeled VOUT0 VOUT15 are voltage output terminals (see Figure 5). The voltage 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: Digital I/O Control Terminal (Dio Ctl) For Pull-Up/Down Configuration

    The SYNCLD pin must be at a low logic level for DAC outputs to update immediately. If the external source supplying the D/A LOAD signal is pulling the SYNCLD pin high, no update will occur. Refer to the "USB-3100 Series" section in the Universal Library User's Guide for information on how to update DAC outputs immediately.
  • Page 16: Power Terminal (+5V)

    USB-3105 User's Guide Functional Details Power terminal (+5V) connection (pin 56) draws power from the USB connector. This terminal is a +5V output. +5 V Caution! The +5V terminal is an output. Do not connect to an external power supply or you may damage the USB-3105 and possibly the computer.
  • Page 17: 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 Resolution 16 bits Output ranges Calibrated ±10 V, 0 to 10 V...
  • Page 18: Analog Output Calibration

    USB-3105 User's Guide Specifications The duration of this particular output transient is highly dependent on the enumeration process of Note 2: the host PC. Typically the output of the USB-3105 is stable after 2 seconds. The maximum differential non-linearity specification applies to the entire 0 to 70 °C temperature Note 3: range of the USB-3105.
  • Page 19: Synchronous Dac Load

    USB-3105 User's Guide Specifications Pull up and pull down configuration area available using the DIO CTL terminal block pin 54. The Note 4: pull down configuration requires the DIO CTL pin (pin 54) to be connected to a DGND pin (pin 50, 53 or 55).
  • Page 20: Memory

    USB-3105 User's Guide Specifications Memory Table 9. Memory specifications EEPROM 256 bytes EEPROM configuration Address range Access Description 0x000-0x0FF Read/write 256 bytes user data Microcontroller Table 10. Microcontroller specifications Type High performance 8-bit RISC microcontroller Program memory 16,384 words Data memory 2,048 bytes Power Table 11.
  • Page 21 USB-3105 User's Guide Specifications Mechanical Table 14. Mechanical specifications Dimensions 127 mm (L) x 88.9 mm (W) x 35.56 (H) Main connector and pin out Table 15. Main connector specifications Connector type Screw terminal Wire gauge range 16 AWG to 30 AWG Signal Name Signal Name VOUT0...
  • Page 22 Address: 10 Commerce Way Suite 1008 Norton, MA 02766 Measurement Computing Corporation declares under sole responsibility that the product USB-3105 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 23 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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