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R2012a Documentation → Data Acquisition Toolbox
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Contents

Index

• Getting Started

• Product Description

• Product Capabilities

Understanding Data Acquisition Toolbox

Exploring the Toolbox

Supported Hardware

• Anatomy of a Data Acquisition Experiment

• Data Acquisition System

Data Acquisition Hardware

Signal Conditioning

• Analog Input Subsystem

Function of the Analog Input Subsystem

Channel Configuration

Transferring Data from Hardware to System Memory

• Making Quality Measurements

What Do You Measure?

Accuracy and Precision

Matching the Sensor Range and A/D Converter Range

How Fast Should a Signal Be Sampled?

Getting Command-Line Function Help

Selected Bibliography

• Installation Information

Toolbox Installation

Hardware and Driver Installation

• Toolbox Components

Information and Interaction

MATLAB Functions

Data Acquisition Engine

Hardware Driver Adaptor

Supported Hardware

Unsupported Hardware

• Accessing Your Hardware

Connecting to Your Hardware

Outputting Data

Reading and Writing Digital Values

Acquiring Data in a Loop

• Understanding the Toolbox Capabilities

Documentation Examples

Quick Reference Guide

• Examining Your Hardware Resources

Using the daqhwinfo Function

General Toolbox Information

Adaptor-Specific Information

Device Object Information

• Getting Help

The daqhelp Function

The propinfo Function

Session-Based Interface

Choose the Right Interface

• Getting Help

Command-Line Help

Session-Based Interface Demos

• User's Guide

• Data Acquisition Workflow

• Getting Started with Analog Input

• Doing More with Analog Input

• Configuring and Sampling Input Channels

Properties Associated with Configuring and Sampling Input Channels

Input Channel Configuration

The Sampling Rate

• Managing Acquired Data

Analog Input Data Management Properties

Previewing Data

Rules for Using peekdata

Extracting Data from the Engine

Returning Time Information

• Configuring Analog Input Triggers

Analog Input Trigger Properties

Defining a Trigger: Trigger Types and Conditions

Executing the Trigger

Repeating Triggers

How Many Triggers Occurred?

When Did the Trigger Occur?

Device-Specific Hardware Triggers

• Events and Callbacks

Understanding Events and Callbacks

Recording and Retrieving Event Information

Creating and Executing Callback Functions

Examples: Using Callback Properties and Functions

• Linearly Scaling the Data: Engineering Units

Analog Input Engineering Units Properties

Example: Performing a Linear Conversion

Linear Conversion with Asymmetric Data

• Analog Output

• Advanced Configurations Using Analog Input and Analog Output

• Using the Session-Based Interface

• Digital Input/Output

• Saving and Loading

• softscope: The Data Acquisition Oscilloscope

• Using the Data Acquisition Blocks in Simulink

• Troubleshooting Your Hardware

• Vendor Limitations

• Managing Your Memory Resources

• Base Property Reference

• Device-Specific Property by Vendor Reference

Device-Specific Properties - Alphabetical List

• Release Notes

Doing More with Analog Input

This chapter presents the complete analog input functionality available to you with Data Acquisition Toolbox software. Properties and functions are described in a way that reflects the typical procedures you will use to configure an analog input session. The sections are as follows.

Evaluating the Analog Input Object Status

Evaluating the Analog Input Object Status

Configuring and Sampling Input Channels

Configuring and Sampling Input Channels

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