Measurement PCI-DIO24H User Manual
PCI-DDA02/12
Document Revision 3
March 2012
© Copyright 2012
User's Guide
Analog Output and Digital I/O
HM PCI-DDA02-12.docx
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Table of Contents
Preface
About this User's Guide ....................................................................................................................... 4
What you will learn from this user's guide ......................................................................................................... 4
Conventions in this user's guide ......................................................................................................................... 4
Where to find more information ......................................................................................................................... 4
Register-level programming ............................................................................................................................................. 4
Chapter 1
Introducing the PCI-DDA02/12 ............................................................................................................. 5
Functional block diagram ................................................................................................................................... 5
Chapter 2
Installing the PCI-DDA02/12 ................................................................................................................. 6
What comes with your shipment? ....................................................................................................................... 6
Hardware .......................................................................................................................................................................... 6
Software ............................................................................................................................................................................ 6
Documentation ................................ ................................................................ ................................................................ .. 6
Optional components ........................................................................................................................................................ 6
Unpacking........................................................................................................................................................... 6
Installing the software ........................................................................................................................................ 6
Installing the hardware ....................................................................................................................................... 6
Signal connections .............................................................................................................................................. 7
Signal termination ............................................................................................................................................................. 9
Chapter 3
Functional Details ............................................................................................................................... 10
Analog connections .......................................................................................................................................... 10
Digital connections ........................................................................................................................................... 10
Pull up and pull down resistors ........................................................................................................................................10
Chapter 4
Calibrating the PCI-DDA02/12 ............................................................................................................ 12
Self-calibrating ................................................................................................................................................. 12
Calibration configuration .................................................................................................................................. 12
"In-system" calibration ..................................................................................................................................... 13
Chapter 5
Specifications ...................................................................................................................................... 14
Power consumption .......................................................................................................................................... 14
Analog output ................................................................................................................................................... 14
Digital input / output ......................................................................................................................................... 15
Environmental .................................................................................................................................................. 15
Main connector and pinout ............................................................................................................................... 15
Declaration of Conformity .................................................................................................................. 17
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About this User's Guide
What you will learn from this user's guide
This user's guide describes the Measurement Computing PCI-DDA02/12 data acquisition device and lists
device specifications.
Conventions in this user's guide
For more information
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.
bold text Bold text is used for the names of objects on a screen, such as buttons, text boxes, and check boxes.
italic text Italic text is used for the names of manuals and help topic titles, and to emphasize a word or phrase.
Where to find more information
Additional information about the PCI-DDA02/12 is available on our website at www.mccdaq.com. You can
also contact Measurement Computing Corporation by phone, fax, or email with specific questions.
Preface
Phone: 508-946-5100 and follow the instructions for reaching Tech Support
Fax: 508-946-9500 to the attention of Tech Support
Email: techsupport@mccdaq.com
Register-level programming
You should use the Universal Library to control your board. Only experienced programmers should attempt
register-level programming. If you need to program at the register level in your application, refer to the Register
Map for the PCI-DDA0x/12 Series on our web site at www.mccdaq.com/registermaps/RegMapPCI-DDA0x-
12.pdf.
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Chapter 1
Introducing the PCI-DDA02/12
The PCI-DDA02/12 provides two channels of 12-bit analog output and 48-bits of digital I/O.
The D/A converters can be independently configured for either Bipolar or Unipolar. Bipolar ranges are ±10 V,
±5 V, and ±2.5 V. Unipolar ranges are 0 to 10 V, 0 to 5 V, and 0 to 2.5 V. The outputs may be updated
individually or simultaneously. The range settings are software-selectable.
The digital I/O ports are configured as two 82C55 mode 0 emulations. Each group is divided into three 8-bit
ports — Port A, Port B, and Port C. Port C can be split into two four-bit ports — Port C-HI and Port C-LO.
Each of these ports may be individually programmed as input or output. The digital outputs are capable of
sinking 64 mA and sourcing 15 mA utilizing standard "S" logic.
The PCI interface uses the PLX 9052 chip, which is a slave-only device. The PCI interface for the analog output
is configured in a 16-bit, multiplexed address/data bus, I/O access mode. The PCI interface for the digital I/O is
configured in an 8-bit, multiplexed address/data bus, I/O access mode to be register-compatible with the PCIDIO48H and PCI-DIO96H boards.
The PCI-DDA02/12 board is completely plug-and-play, with no jumpers or switches to set. All board addresses
are set by the board's plug-and-play software. Board configuration is controlled by your system's BIOS.
Functional block diagram
PCI-DDA02/12 functions are illustrated in the block diagram shown here.
Figure 1. PCI-DDA02/12 functional block diagram
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Chapter 2
Installing the PCI-DDA02/12
What comes with your shipment?
Verify that the following components are included in the shipment:
Hardware
PCI-DDA02/12
Software
MCC DAQ CD
Documentation
In addition to this hardware user's guide, you should also receive the Quick Start Guide. This booklet provides
an overview of the MCC DAQ software you received with the device, and includes information about installing
the software. Please read this booklet completely before installing any software or hardware.
Optional components
C100FF-x cable
Signal termination boards
Measurement Computing provides signal termination boards for use with the PCI-DDA02/12. Refer to
Signal termination on page 9 for more information.
Unpacking
As with any electronic device, you should take care while handling to avoid damage from static
electricity. Before removing the PCI-DDA02/12 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.
If any components are missing or damaged, notify Measurement Computing Corporation immediately by
phone, fax, or e-mail:
Phone: 508-946-5100 and follow the instructions for reaching Tech Support
Fax: 508-946-9500 to the attention of Tech Support
Email: techsupport@mccdaq.com
For international customers, contact your local distributor. Refer to the International Distributors section on our
web site at www.mccdaq.com/International.
Installing the software
Refer to the Quick Start Guide for instructions on installing the software on the MCC DAQ CD. This booklet is
available in PDF at www.mccdaq.com/PDFmanuals/DAQ-Software-Quick-Start.pdf.
Installing the hardware
The PCI-DDA02/12 board is completely plug-and-play. There are no switches or jumpers to set. Configuration
is controlled by your system's BIOS.
Install the MCC DAQ software before you install your board
The driver needed to run your board is installed with the MCC DAQ software. Therefore, you need to install the
MCC DAQ software before you install your board. Refer to the Quick Start Guide for instructions on installing
the software.
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