Measurement Computing AI-EXP48 User Manual

Analog input expansion module

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Summary of Contents for Measurement Computing AI-EXP48

  • Page 2 AI-EXP48 User's Guide Document Revision 2A, 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. © 2001 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: AI-EXP48 features ..........................6 Software features ..............................6 Chapter 2 Installing the AI-EXP48 ......................... 7 What comes with your AI-EXP48 shipment? ..................... 7 Hardware ..................................7 Optional components ................................ 7 Additional documentation ..............................7 Unpacking the AI-EXP48 ........................... 7 Connecting to the parent A/D device with the DSUB25 expansion connector...........
  • Page 5: Preface

    About this User’s Guide What you will learn from this user’s guide This user’s guide explains how to install, configure, and use the AI-EXP48 so that you get the most out of its analog input features. This user’s guide also refers you to related documents available on our web site, and to technical support resources.
  • Page 6: Introducing The Ai-Exp48

    The AI-EXP48 can measure up to 48 channels of voltage or up to 24 channels of temperature. Each input channel is software configurable for either voltage or thermocouple. The analog inputs are provided on six rows of removable screw terminals.
  • Page 7: Installing The Ai-Exp48

    As with any electronic device, you should take care while handling to avoid damage from static electricity. Before removing the AI-EXP48 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 8: Connecting To The Parent A/D Device With The Dsub25 Expansion Connector

    Cable method : Connect the appropriate cable (not included) from the DSUB25 connector on the AI- EXP48 to the expansion connector on the parent device. The image below shows the AI-EXP48 connected to a USB-1616HS-4 via the CA-96A cable. Figure 2. Cable method...
  • Page 9: Connecting The Device For I/O Operations

    USB 1.1 full-speed port, the transfer rate is limited to 12 Mbps. Connecting the device for I/O operations User connectors The following table lists the device connectors and compatible hardware for the AI-EXP48. User connectors and hardware  Six banks of removable screw-terminal blocks Connector type ...
  • Page 10: Screw Terminal Pin Out

    AI-EXP48 User's Guide Installing the AI-EXP48 Screw terminal pin out Single-ended mode pin out Terminal Device Device Terminal (Signal description) (Signal description) block label label block A (Analog common) (CH 63) (CH 16) (CH 55) (CH 24) A (Analog common) A...
  • Page 11: Expansion Connector

    A (Analog common) Expansion connector The AI-EXP48 has a 25-pin male DSUB connector that connects directly to the 25-pin female DSUB connector on compatible hardware or through the appropriate cable to compatible hardware. Figure 3. 25-pin male DSUB expansion connector...
  • Page 12: Cabling

    AI-EXP48 User's Guide Installing the AI-EXP48 Cabling If the parent device has a 25-pin expansion connector, you can use the CA-96A cable to connect with the AI- EXP48. Figure 4. CA-96A cable Information on signal connections General information regarding signal connection and configuration is available in the Guide to Signal Connections (available at www.mccdaq.com/signals/signals.pdf).
  • Page 13: Specifications

    Chapter 3 Specifications Typical for 25 °C unless otherwise specified. Specifications in italic text are guaranteed by design. Analog input Table 1. Analog input specifications Number of channels 48 single-ended/24 differential inputs Voltage measurement speed 1 µs per channel Input ranges, software or sequencer programmable Bipolar: ±10 V, ±5 V, ±2 V, ±1 V , ±0.5 V, ±0.2 V, ±0.1 V, universal thermocouple Signal to noise and distortion...
  • Page 14: Power Consumption

    AI-EXP48 User's Guide Specifications Power consumption Table 4. Power consumption specifications Power consumption (per board) 400 mW maximum (supplied by parent product, such as USB-1616HS series) Environmental Table 5. Environmental specifications Operating temperature range -30 °C to +70 °C Storage temperature range -40 °C to +80 °C...
  • Page 15 AI-EXP48 User's Guide Specifications Table 9. Single-ended mode pin out Terminal block Device label (Signal description) Device label (Signal description) Terminal block A (Analog common) (CH 63) (CH 16) (CH 55) (CH 24) A (Analog common) A (Analog common) (CH 62)
  • Page 16 AI-EXP48 User's Guide Specifications Table 10. Differential mode pin out Terminal block Device label (Signal description) Device label (Signal description) Terminal block A (Analog common) (CH 31 LO) (CH 8 HI) (CH 31 HI) (CH 8 LO) A (Analog common) A...
  • Page 17: Declaration Of Conformity

    Norton, MA 02766 Category: Electrical equipment for measurement, control and laboratory use. Measurement Computing Corporation declares under sole responsibility that the product AI-EXP48 to which this declaration relates is in conformity with the relevant provisions of the following standards or other...
  • Page 18 Measurement Computing Corporation 10 Commerce Way Suite 1008 Norton, Massachusetts 02766 (508) 946-5100 Fax: (508) 946-9500 E-mail: info@mccdaq.com www.mccdaq.com...

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