Data Translation DT9838 Manuel utilisateur

DT9838

UM-24789-G

User’s Manual

Title Page

Seventh Edition

December, 2015

Data Translation, Inc.

100 Locke Drive

Marlboro, MA 01752-1192

(508) 481-3700

www.datatranslation.com

Fax: (508) 481-8620

E-mail: [email protected]

Information furnished by Data Translation, Inc. is believed to be

accurate and reliable; however, no responsibility is assumed by

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 - Registered Rights 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. QuickDAQ™, DT-Open LayersTM, DT-Open Layers for .NET

Class LibraryTM, DataAcq SDKTM, and LV-LinkTM are trademarks

of Data Translation, Inc.

All other brand and product names are trademarks or registered

trademarks of their respective companies.

Radio and Television Interference

This equipment has been tested and found to comply with CISPR EN55022 Class A and

EN61000-6-1 requirements and also with the limits for a Class A digital device, pursuant to

Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against

harmful interference when the equipment is operated in a commercial environment. This

equipment generates, uses, and can radiate radio frequency energy and, if not installed and

used in accordance with the instruction manual, may cause harmful interference to radio

communications. Operation of this equipment in a residential area is likely to cause harmful

interference, in which case the user will be required to correct the interference at his own

expense.

Changes or modifications to this equipment not expressly approved by Data Translation could

void your authority to operate the equipment under Part 15 of the FCC Rules.

Note: This product was verified to meet FCC requirements under test conditions that

included use of shielded cables and connectors between system components. It is important

that you use shielded cables and connectors to reduce the possibility of causing interference

to radio, television, and other electronic devices.

Canadian Department of Communications Statement

This digital apparatus does not exceed the Class A limits for radio noise emissions from

digital apparatus set out in the Radio Interference Regulations of the Canadian Department of

Communications.

Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites

applicables aux appareils numériques de la class A prescrites dans le Règlement sur le

brouillage radioélectrique édicté par le Ministère des Communications du Canada.

FCC

Page

Table of Contents

About this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Intended Audience. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

How this Manual is Organized . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Conventions Used in this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Related Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Where To Get Help. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Chapter 1: Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

DT9838 Hardware Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Supported Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Supported Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Getting Started Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Chapter 2: Setting Up and Installing the Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

(Optional) Applying Power to the Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Attaching Modules to the Computer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Connecting Directly to the USB Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Connecting to an Expansion Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Configuring the DT9838 Device Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Chapter 3: Wiring Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Preparing to Wire Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

General Wiring Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Analog Input Connector Pin Assignments (RJ50 Connector) . . . . . . . . . . . . . . . . . . . . 41

Connecting a General-Purpose or Bridge-Completion Accessory . . . . . . . . . . . . . . . . . . . . 42

Connecting Quarter-Bridge Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Wiring a Quarter-Bridge (Axial and Bending) Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Remote Sensing In Quarter-Bridge Configurations . . . . . . . . . . . . . . . . . . . . . . . . . 47

Shunt Calibration in Quarter-Bridge Configurations . . . . . . . . . . . . . . . . . . . . . . . 48

Wiring a Quarter-Bridge Temp Comp Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Remote Sensing In Quarter-Bridge Temp Comp Configurations . . . . . . . . . . . . . 50

Shunt Calibration in Quarter-Bridge Temp Comp Configurations . . . . . . . . . . . . 51

Connecting Half-Bridge Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Wiring a Half-Bridge Poisson Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Remote Sensing In Half-Bridge Poisson Configurations . . . . . . . . . . . . . . . . . . . . 54

Shunt Calibration in Half-Bridge Poisson Configurations . . . . . . . . . . . . . . . . . . . 55

Table of Contents

Contents

Wiring a Half-Bridge Bending Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Remote Sensing In Half-Bridge Bending Configurations . . . . . . . . . . . . . . . . . . . . 57

Shunt Calibration in Half-Bridge Bending Configurations . . . . . . . . . . . . . . . . . . 58

Connecting Full-Bridge Circuits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Wiring a Full-Bridge Bending Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Remote Sensing in Full-Bridge Bending Configurations . . . . . . . . . . . . . . . . . . . . 61

Shunt Calibration in Full-Bridge Bending Configurations . . . . . . . . . . . . . . . . . . . 61

Wiring a Full-Bridge Bending Poisson Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Remote Sensing in Full-Bridge Bending Poisson Configurations . . . . . . . . . . . . . 63

Shunt Calibration in Full-Bridge Bending Poisson Configurations . . . . . . . . . . . 64

Wiring a Full-Bridge Axial Poisson Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Remote Sensing in Full-Bridge Axial Poisson Configurations . . . . . . . . . . . . . . . . 66

Shunt Calibration in Full-Bridge Axial Poisson Configurations . . . . . . . . . . . . . . 67

Connecting Load Cells and Other Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Connecting Voltage Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Connecting a Tachometer Input Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Connecting an External Trigger Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Chapter 4: Verifying the Operation of a Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Select the Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Measure Strain Gage Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Configure the Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Configure the Recording Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Configure the Acquisition Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Start the Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Chapter 5: Principles of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Analog Input Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Analog Input Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Specifying a Single Analog Input Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Specifying One or More Analog Input Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Bridge Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Quarter-Bridge Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

Quarter-Bridge Temp Comp Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Half-Bridge Poisson Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Half-Bridge Bending Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

Full-Bridge Bending Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Full-Bridge Bending Poisson Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Full-Bridge Axial Poisson Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Transducer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Bridge Excitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Remote Sensing and Lead Wire Correction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Contents

Shunt Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Shunt Calibration Equation for the Quarter-Bridge and Quarter-Bridge Temp

Comp Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Shunt Calibration Equation for the Half-Bridge Poisson Configuration . . . . . . 104

Shunt Calibration Equation for the Half-Bridge Bending Configuration . . . . . . 104

Shunt Calibration Equation for the Full-Bridge Bending Configuration . . . . . . 105

Shunt Calibration Equation for the Full-Bridge Bending Poisson

Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Shunt Calibration Equation for the Full-Bridge Axial Poisson Configuration . 105

Offset Nulling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

TEDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Input Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Input Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

A/D Sample Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Analog Input Conversion Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Single-Value Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Continuous Scan Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Input Triggers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Start Trigger Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Reference Trigger Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

Error Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

Tachometer Input Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

Synchronizing Acquisition on Multiple Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

Triggering DT9838 and DT9837 Series Modules Using the Sync Bus . . . . . . . . . . . . . 116

Chapter 6: Supported Device Driver Capabilities. . . . . . . . . . . . . . . . . . . . . . . . . . . 119

Data Flow and Operation Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

Buffering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

Triggered Scan Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

Data Encoding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Current and Resistance Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Thermocouple, RTD, and Thermistor Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

IEPE Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

Bridge and Strain Gage Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

Start Triggers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Reference Triggers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Clocks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Contents

Counter/Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

Tachometers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

Chapter 7: Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

General Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

Technical Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

If Your Module Needs Factory Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

Chapter 8: Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137

Using the Calibration Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

Calibrating the Analog Input Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Connecting a Precision Voltage Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Using the Auto-Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Using the Manual Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

Calibrating the Internal Analog Output Circuity (Excitation Voltage) . . . . . . . . . . . . . . . 141

Connecting a Digital Voltmeter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Calibrating the Analog Output Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Appendix A: Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

Analog Input Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144

Bridge Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145

Tachometer Input Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Trigger Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

Power, Physical, and Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

Regulatory Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

Connector Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150

External Power Supply Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

Appendix B: Connector Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

Analog Input Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154

Sync Bus Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155

External Trigger and Tachometer Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

External USB Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

External Power Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158

Screw Terminals on the STP STRAIN, STP STRAIN 120, and STP STRAIN 350 . . . . . . . 159

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161

About this Manual

The first part of this manual describes how to install and set up your DT9838 module and

device driver, and verify that your module is working properly.

The second part of this manual describes the features of the DT9838 module, the capabilities of

the DT9838 Device Driver, and how to program the DT9838 module using DT-Open Layers for

.NET Class Library™software. Troubleshooting information is also provided.

Notes: For more information on the class library, refer to the DT-Open Layers for .NET Class

Library User’s Manual. If you are using the DataAcq SDK or a software application to program

your device, refer to the documentation for that software for more information.

Intended Audience

This document is intended for engineers, scientists, technicians, or others responsible for

installing, setting up, using, and/or programming DT9838 modules for data acquisition

operations.

It is assumed that you are familiar with the requirements of your application. It is also

assumed that you have some familiarity with data acquisition principles, that you understand

your application, and that you are familiar with the Microsoft®Windows Vista®, Windows 7,

or Windows 8 operating system.

How this Manual is Organized

This manual is organized as follows:

•Chapter 1, “Overview,” describes the major features of the DT9838 module, as well as the

supported software and accessories for the modules.

•Chapter 2, “Setting Up and Installing the Module,” describes how to apply power to the

module, how to attach the module to your computer, and how to configure the device

driver.

•Chapter 3, “Wiring Signals,” describes how to wire signals to the DT9838 module.

•Chapter 4, “Verifying the Operation of a Module,” describes how to verify the operation

of the module with the QuickDAQ application.

•Chapter 5, “Principles of Operation,” describes all of the features of the module and how

to use them in your application.

•Chapter 6, “Supported Device Driver Capabilities,” lists the data acquisition subsystems

and the associated features accessible using the DT9838 Device Driver.

•Chapter 7, “Troubleshooting,” provides information that you can use to resolve problems

with the module and device driver, should they occur.

About this Manual

•Chapter 8, “Calibration,” describes how to calibrate the analog I/O circuitry of the

module.

•Appendix A, “Specifications,” lists the specifications of the DT9838 module.

•Appendix B, “Connector Pin Assignments,” shows the pin assignments of the connectors

on the DT9838 module.

• 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 in bold.

•Courier font is used to represent source code.

Related Information

Refer to the following documents for more information on using the DT9838 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).

•QuickDAQ User’s Manual (UM-24774). This manual describes how to create a QuickDAQ

application to acquire and analyze data from DT-Open Layers data acquisition devices.

•DT-Open Layers for .NET User’s Manual (UM-22161). For programmers who are developing

their own application programs using Visual C# or Visual Basic .NET, this manual

describes how to use the DT-Open Layers for .NET Class Library to access the capabilities

of Data Translation data acquisition devices.

•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 to access the capabilities of Data Translation data

acquisition devices. This manual is included on the Data Acquisition OMNI CD.

•LV-Link Online Help. This help file describes how to use LV-Link™with the LabVIEW™

graphical programming language to access the capabilities of Data Translation data

acquisition devices.

•DAQ Adaptor for MATLAB (UM-22024). This document describes how to use Data

Translation’s DAQ Adaptor to provide an interface between the MATLAB Data

Acquisition subsystem from The MathWorks and Data Translation’s DT-Open Layers

architecture.

• Microsoft Windows Vista, Windows 7, or Windows 8 documentation.

• USB web site (http://www.usb.org).

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