Measurement CIO-DDA0616 User Manual
CIO-DDA06/16
User's Guide
Six 1-bit Analog Ouputs2QH'$SHU&KDQQHO
24 Digital I/O
CIO-DDA06/16
Analog Output Board
User’s Guide
Document Revision 8, December, 2006
© Copyright 2006, Measurement Computing Corporation
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HM CIO-DDA06_16.doc
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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 CIO-DDA06/16 ............................................................................................................7
Overview: CIO-DDA06/16 features...................................................................................................................7
Software features................................................................................................................................................7
CIO-DDA06/16 block diagram ..........................................................................................................................8
Chapter 2
Installing the CIO-DDA06/16 ................................................................................................................9
What comes with your CIO-DDA06/16 shipment? ...........................................................................................9
Hardware .......................................................................................................................................................................... 9
Additional documentation................................................................................................................................................. 9
Optional components..........................................................................................................................................9
Unpacking the CIO-DDA06/16........................................................................................................................10
Installing the software ......................................................................................................................................10
Configuring the CIO-DDA06/16......................................................................................................................10
Base address switch .........................................................................................................................................................10
Individual / simultaneous transfer jumper........................................................................................................................11
Analog output range switch .............................................................................................................................................12
Installing the CIO-DDA06/16 ..........................................................................................................................12
Connecting the board for I/O operations ..........................................................................................................13
Connectors, cables – main I/O connector ........................................................................................................................13
Pinout – main I/O connector............................................................................................................................................13
Cabling.............................................................................................................................................................................14
Field wiring, signal termination, and conditioning ..........................................................................................................14
Chapter 3
Programming and Developing Applications....................................................................................15
Programming languages ...................................................................................................................................15
Packaged applications programs ......................................................................................................................15
Register-level programming.............................................................................................................................15
Chapter 4
Specifications......................................................................................................................................16
Analog output ...................................................................................................................................................16
Digital input / output ........................................................................................................................................16
Power consumption ..........................................................................................................................................16
Environmental ..................................................................................................................................................16
Main connector and pin out..............................................................................................................................17
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 CIO-DDA06/16 board so that you get the most
out of its analog output features. This user's guide also refers you to related documents available on our web
site, and to technical support resources.
Conventions in this user's guide
The following conventions are used in this manual to convey special information:
For more information on …
Text presented in a box signifies additional information and helpful hints related to the subject matter you are
reading.
Caution! Shaded caution statements present information to help you avoid injuring yourself and others,
damaging your hardware, or losing your data.
<#:#> Angle brackets that enclose numbers separated by a colon signify a range of numbers, such as those assigned
to registers, bit settings, etc.
bold text Bold text is used for the names of objects on the screen, such as buttons, text boxes, and check boxes. For
example:
1. Insert the disk or CD and click the OK button.
italic text Italic text is used for the names of manuals and help topic titles, and to emphasize a word or phrase. For
example:
The InstaCal installation procedure is explained in the Quick Start Guide.
Never touch the exposed pins or circuit connections on the board.
Where to find more information
The following electronic documents provide information relevant to the operation of the CIO-DDA06/16.
MCC's Specifications: CIO-DDA06/16 (the PDF version of the Specifications chapter in this guide) is
available on our web site at www.mccdaq.com/pdfs/CIO-DDA06-16.pdf
MCC's Quick Start Guide is available on our web site at
www.mccdaq.com/PDFmanuals/DAQ-Software-Quick-Start.pdf
MCC's Guide to Signal Connections is available on our web site at
www.mccdaq.com/signals/signals.pdf
MCC's Universal Library User's Guide is available on our web site at
www.mccdaq.com/PDFmanuals/sm-ul-user-guide.pdf
MCC's Universal Library Function Reference is available on our web site at
www.mccdaq.com/PDFmanuals/sm-ul-functions.pdf
MCC's Universal Library for LabVIEW
www.mccdaq.com/PDFmanuals/SM-UL-LabVIEW.pdf
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User’s Guide is available on our web site at
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CIO-DDA06/16 User's Guide (this document) is also available on our web site at
www.mccdaq.com/PDFmanuals/CIO-DDA06_16.pdf
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Chapter 1
Introducing the CIO-DDA06/16
Overview: CIO-DDA06/16 features
The CIO-DDA06/16 has six channels of 16-bit analog output and 24 lines of digital I/O. The analog outputs are
from AD660 DACs, with each output buffered by an OP27. Digital I/O is performed with one 82C55 chip.
Analog output ranges are switch-selectable for a Bipolar or Unipolar range. Bipolar ranges are ±10 V and ±5 V.
Unipolar ranges are 0 to 10 V and 0 to 5 V.
The analog outputs are jumper-selectable for either individual or simultaneous transfer. When a DAC pair is set
for simultaneous update, writing new digital values to the DAC's control register does not update the DAC's
voltage output. In this way, the CIO-DDA06/16 may be set to hold new values until all channels are loaded,
then update all six channels simultaneously. This is a very useful feature for multi-axis motor control.
The CIO-DDA06/16 digital I/O lines are a direct interface to an 82C55. The 82C55 is a CMOS chip with TTL
level inputs and outputs. The 8255 can source or sink about 2.5 mA. This is adequate to switch other TTL or
similar inputs, but is inadequate to drive relays, LEDs or solid state relays. The digital I/O is controlled by
programming the 8255's mode register. There are three possible modes. The simplest and most commonly used
mode is mode 0 — simple input and output.
Software features
For information on the features of InstaCal and the other software included with your CIO-DDA06/16, refer to
the Quick Start Guide that shipped with your device. The Quick Start Guide is also available in PDF at
www.mccdaq.com/PDFmanuals/DAQ-Software-Quick-Start.pdf
Check www.mccdaq.com/download.htm
for the latest software version.
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