Data Translation DT9820 Series Parts list manual

DT9820 Series
UM-18219-B
Getting Started Manual

Second Edition
March, 2002
Data Translation, Inc.
100 Locke Drive
Marlboro, MA 01752-1192
[phone]
www.datatranslation.com
Fax: [phone]
E-mail: [e-mail]
Copyright © 2001, 2002 by Data Translation,
Inc.
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 Data Translation, Inc.
Information furnished by Data Translation, Inc.
is believed to be accurate and reliable; however,
no responsibility is assumedby Data Translation,
Inc. for its use; nor for any infringements of
patents or other rights of third parties which
may result from its use. No license is granted by
implication or otherwise under any patent rights
of Data Translation, Inc.
Use, duplication, or disclosure by the United
States Government is subject to restrictions as set
forth in subparagraph (c)(1)(ii) of the Rights in
Technical Data and Computer software clause at
48 C.F.R, 252.227-7013, or in subparagraph (c)(2)
of the Commercial computer Software -
RegisteredRights clause at 48 C.F.R.,52-227-19 as
applicable. Data Translation, Inc., 100 Locke
Drive, Marlboro, MA 01752
Data Translation® is a registered trademark of
Data Translation, Inc. DT-Open LayersTM,
DataAcq SDKTM, DT-LV LinkTM, DTx-EZTM, and
DT VPITM are trademarks of Data Translation,
Inc.
All other brand and product names are
trademarks or registered trademarks of their
respective companies.

iii
Table of Contents
About this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Intended Audience. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
How this Manual is Organized . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Conventions Used in this Manual . . . . . . . . . . . . . . . . . . . . . . . . . vi
Related Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
Where To Get Help. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii
Chapter 1: Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
DT9820 Series Key Hardware Features. . . . . . . . . . . . . . . . . . . . . . 2
DT9820 Series Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Getting Started Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Chapter 2: Preparing to Use a Function Module . . . . . . . . . 5
Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Checking the System Requirements . . . . . . . . . . . . . . . . . . . . . . . . 8
Installing the Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Viewing the DT9820 Series Documentation Online . . . . . . . . . . 11
Chapter 3: Installing a Function Module . . . . . . . . . . . . . . . 13
Connecting Directly to the Host Computer . . . . . . . . . . . . . . . . . 16
Connecting to a Self-Powered USB Hub. . . . . . . . . . . . . . . . . . . . 18
Chapter 4: Configuring the Device Driver . . . . . . . . . . . . . . 21

Contents
iv
Chapter 5: Configuring and Attaching the Screw
Terminal Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Configuring the STP9820. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Changing the Input Filter Cutoff Frequency. . . . . . . . . . . . . 28
Installing a Relay Driver for the Digital Output Lines . . . . 30
Attaching the STP9820. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Chapter 6: Wiring Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Preparing to Wire Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Connecting Analog Input Signals . . . . . . . . . . . . . . . . . . . . . . . . . 41
Connecting Analog Output Signals. . . . . . . . . . . . . . . . . . . . . . . . 45
Connecting Digital Input Signals. . . . . . . . . . . . . . . . . . . . . . . . . . 46
Connecting Digital Output Signals . . . . . . . . . . . . . . . . . . . . . . . . 47
Chapter 7: Verifying the Operation of a Function Module. 49
Installing the Quick Data Acq Application . . . . . . . . . . . . . . . . . 52
Running the Quick Data Acq Application . . . . . . . . . . . . . . . . . . 54
Performing a Single-Value Analog Input Operation. . . . . . 55
Performing a Single-Value Analog Output Operation . . . . 56
Performing a Continuous Analog Input Operation. . . . . . . 57
Performing a Single-Value Digital Input Operation . . . . . . 59
Performing a Single-Value Digital Output Operation. . . . . 60
Appendix A: Using Your Own Screw Terminal Panel . . . . 61
Analog Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Analog Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Digital Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Digital Outputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67

v
About this Manual
This manual describes how to install and set up your DT9820 Series
function module and DT9820 Series device driver, and verify that
your module is working properly.
Intended Audience
This document is intended for engineers, scientists, technicians, or
others responsible for installing and setting up DT9820 Series
function modules to perform data acquisition operations. It is
assumed that you are familiar with the requirements of your
application. It is also assumed that you are familiar with the
MicrosoftWindows98, Windows Me (Millennium Edition),
Windows 2000, or Windows XP operating system.
How this Manual is Organized
This manual is organized as follows:
•Chapter 1, “Overview,”describes the key features of the DT9820
Series hardware and the DT9820 Series software, and provides an
overview of the DT9820 Series getting started procedure.
•Chapter 2, “Preparing to Use a Function Module,”describes how
to unpack the DT9820 Series package, check the system
requirements, install the DT9820 Series software, and view the
DT9820 Series documentation online.
•Chapter 3, “Installing a Function Module,”describes how to
install the DT9820 Series function module.
•Chapter 4, “Configuring the Device Driver,”describes how to
configure the device driver and the function module.

About this Manual
vi
•Chapter 5, “Configuring and Attaching the Screw Terminal
Panel,”describes how to configure the STP9820 screw terminal
and attach it to a DT9820 Series function module.
•Chapter 6, “Wiring Signals,”describes how to wire signals to a
DT9820 Series function module.
•Chapter 7, “Verifying the Operation of a Function Module,”
describes how to verify the operation of a DT9820 Series function
module with the Quick Data Acq application.
•An index completes this manual.
Conventions Used in this Manual
The following conventions are used in this manual:
•Notes provide useful information that requires special emphasis,
cautions provide information to help you avoid losing data or
damaging your equipment, and warnings provide information to
help you avoid catastrophic damage to yourself or your
equipment.
•Items that you select or type are shown inbold.
•Courier font is used to represent source code.
Related Information
Refer to the following documents for more information on using the
DT9820 Series module:
•Benefits of the Universal Serial Bus for Data Acquisition. This white
paper describes why USB is an attractive alternative for data
acquisition. It is available on the Data Translation®web site
(www.datatranslation.com).

About this Manual
vii
•DT9820 Series User’s Manual (UM-18221), included on the
Data Acquisition OMNI CDTM provided with the DT9820 Series
function module. This manual describes the features of the
DT9820 Series function modules and the DT9820 Series Device
Driver in detail.
• DT Measure Foundry Getting Started Manual (UM-19298) and
online help. These documents describe how to use DT Measure
Foundry™to build drag-and-drop test and measurement
applications for Data Translation®data acquisition devices
without programming.
•DataAcq SDK User’s Manual (UM-18326). For programmers who
are developing their own application programs using the
Microsoft C compiler, this manual describes how to use the
DT-Open LayersTM DataAcq SDKTM in Windows 98, Windows Me,
Windows 2000, or Windows XP to access the capabilities of Data
Translation data acquisition devices. This manual is included on
the Data Acquisition OMNI CD.
•DTx-EZ Getting Started Manual (UM-15428). This manual
describes how to use the ActiveX controls provided in DTx-EZTM
to access the capabilities of Data Translation data acquisition
devices in Microsoft Visual Basic®or Visual C++®.
•DT VPI User Manual (UM-16150). This manual describes how to
use DT VPITM and the Agilent®VEETM visual programming
language to access the capabilities of Data Translation data
acquisition devices.
•DT-LV Link Getting Started Manual (UM-15790). This manual
describes how to use DT-LV LinkTM with the LabVIEW®
graphical programming language to access the capabilities of
Data Translation data acquisition devices.
•Microsoft Windows 98, Windows Me, Windows 2000, or
Windows XP documentation.
•USB web site (http://www.usb.org).

About this Manual
viii
Where To Get Help
Should you run into problems installing or using a DT9820 Series
function module, our Technical Support Department is available to
provide technical assistance. Refer to the DT9820 Series User’s Manual
for information on how to contact the Technical Support Department
(refer to page 11 for information on viewing this manual). If you are
outside the U.S. or Canada, call your local distributor, whose number
is listed in your Data Translation product handbook.

1
1
Overview
DT9820 Series Key Hardware Features. . . . . . . . . . . . . . . . . . . . . . 2
DT9820 Series Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Getting Started Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Chapter 1
2
DT9820 Series Key Hardware Features
The DT9820 Series includes the DT9821 and DT9822 function
modules. Table 1 lists the key features of each module.
Table 1: Key Features Among the DT9820 Series
Function
Modules #ofAnalog Inputs
Analog Input
Sample Rate # ofAnalog
Outputs # of Digital I/O Lines
60 Hz 50 Hz
DT9821 4with24-bit
resolution1
1. The channels are configured as differential.
960 Hz 800 Hz 0 8 input2,
8 output
2. Digital input lines 0 to 3 can be used to start A/D conversions. Digital input lines 4 to 7 can
be used to stop A/D conversions.
DT9822 4with24-bit
resolution1960 Hz 800 Hz 2, 16-bit resolution 8 input2, 8 output

Overview
3
1
1
1
1
1
1
1
1
1
DT9820 Series Software
The DT9820 Series software, which is shipped on the Data
Acquisition OMNI CD, includes the following software components:
•DT9820 Series Device Driver −This software must be installed
and loaded before you can use a DT9820 Series module with any
of the supported software packages or utilities.
•DT9820 Series Calibration Utility −Allows you to calibrate the
analog output circuitry of the DT9822 function modules. The
analog input circuitry is automatically calibrated when the
module is powered up.
•The Quick Data Acq application −Provides a quick way to get a
DT9820 Series function module up and running. Using the Quick
Data Acq application, you can verify the features of the modules,
display data on the screen, and save data to disk.
•DT9820 Series User’s Manual (in PDF format) −Describes the
features of the DT9820 Series function modules and how to use
the DT9820 Series Device Driver with DT-Open Layers-compliant
software to write an application program.
•This manual (in PDF format).
•Rev 4.0 of Adobe Acrobat Reader −Allows you to view and
print the PDF files.
Refer to Chapter 2 starting on page 5 for information on installing the
software.

Chapter 1
4
Getting Started Procedure
The flow diagram shown in Figure 1 illustrates the steps needed to
get started using the DT9820 Series function modules. This diagram
is repeated in each chapter; the shaded area in the diagram shows
you where you are in the getting started procedure.
Figure 1: Getting Started Flow Diagram
Install the Function Module
(see Chapter 3 starting on page 13)
Wire Signals
(see Chapter 6 starting on page 35)
Verify the Operation of the
Function Module
(see Chapter 7 starting on page 49)
Configure the Device Driver
(see Chapter 4 starting on page 21)
Prepare to Use a Function Module
(see Chapter 2 starting on page 5)
Configure and Attach the Screw Terminal
Panel (see Chapter 5 starting on page 25)

5
2
Preparing to Use a
Function Module
Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Checking the System Requirements . . . . . . . . . . . . . . . . . . . . . . . . 8
Installing the Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Viewing the DT9820 Series Documentation Online . . . . . . . . . . 11

Chapter 2
6
Install the Function Module
(see Chapter 3 starting on page 13)
Wire Signals
(see Chapter 6 starting on page 35)
Verify the Operation of the
Function Module
(see Chapter 7 starting on page 49)
Configure the Device Driver
(see Chapter 4 starting on page 21)
Prepare to Use a Function Module
(this chapter)
Configure and Attach the Screw Terminal
Panel (see Chapter 5 starting on page 25)

Preparing to Use a Function Module
7
2
2
2
2
2
2
2
2
2
Unpacking
Open the shipping box and verify that the following items are
present:
•DT9820 Series function module,
•EP310 USB cable, and
•Data Acquisition OMNI CD-ROM.
If an item is missing or damaged, contact Data Translation. If you are
in the United States, call the Customer Service Department at (508)
481-3700. An application engineer will guide you through the
appropriate steps for replacing missing or damaged items. If you are
located outside the United States, call your local distributor, listed in
your Data Translation Product Handbook.
Once you have unpacked your function module, check the system
requirements, as described in the next section.

Chapter 2
8
Checking the System Requirements
For reliable operation, your DT9820 Series function modules require
the minimum system requirement listed in Table 2.
Once you have verified that your system meets the system
requirements, install the software as described in the next section.
Table 2: Minimum System Requirements
Feature Minimum Requirements
Operating System Windows 98, Windows Me, Windows 2000,
or Windows XP
Processor 80486, Pentium, or compatible
USB Ports One or more
RAM 16 MB or more
CD-ROM Drives One or more
Monitor VGA, or compatible, display (640 x 480 or
higher, 256 colors recommended)

Preparing to Use a Function Module
9
2
2
2
2
2
2
2
2
2
Installing the Software
To install the software, perform the following steps:
1. Insert the Data Acquisition OMNI CD into your CD-ROM drive.
2. Click Start from the Task Bar, then click Run.
The Run dialog box appears.
3. In the Command Line edit box, enter x:\LAUNCH.EXE (where x
is the letter of your CD-ROM).
4. Click OK.
The Data Acquisition Software setup program starts.
5. Click Install Products.
A list of software products that you can install appears.
6. Click Device Drivers.
The DT-Open Layers Data Acquisition software wizard appears.
7. Click Next.
You are prompted for the destination location.
8. Either change the directory path and/or name using Browse or
accept the default directory, then click Next.
You are prompted to select the software components to install.
CAUTION:
This version of the Data Acquisition OMNI CD provides
WDM-compliant device drivers and DLLs (version 5.0 or greater).
Other Data Translation boards/modules may not provide
WDM-compliant drivers.
You cannot use a DT9820 Series module at the same time as another
Data Translation board/module unless both devices provide
WDM-compliant drivers.

Chapter 2
10
9. Select DT9820 Series, then click Next.
You are prompted for the program folder name.
10. Either change the program folder name or accept the default
program folder name, then click Next.
The files are copied to the destination directory.
11. Click Finish.
The DT Data Acquisition Software setup program reappears.
12. Click Main Menu.
13. Click Exit.

Preparing to Use a Function Module
11
2
2
2
2
2
2
2
2
2
Viewing the DT9820 Series
Documentation Online
Once you have installed the DT9820 Series software, you can view the
DT9820 Series documentation by clicking the manual title. You can
access the manuals from the Data Translation, Inc\DT9820 Series
program group.
To view the documentation, you need Adobe Acrobat Reader, version
4.0. Here are a few helpful hints about using Adobe Acrobat Reader:
•To navigate to a specific section of the document, click a heading
from the table of contents on the left side of the document.
•Within the document, click the text shown in blue to jump to the
appropriate reference (the pointer changes from a hand to an
index finger).
•To go back to the page from which the jump was made, click the
right mouse button and Go Back, or from the main menu, click
Document, then Go Back.
•To print the document, from the main menu, click File, then
Print.
•To increase or decrease the size of the displayed document, from
the main menu, click View, then Zoom.
•By default, text and monochrome images are smoothed in
Acrobat Reader, resulting in blurry images. If you wish, you can
turn smoothing off by clicking File, then Preferences/General,
and unchecking Smooth Text and Images.

Chapter 2
12