Measurement USB-1208FS-Plus User Manual

USB-1024HLS

High Drive, 24-bit Digital I/O
Low-speed USB 2.0 device

User’s Guide

USB-1024HLS

USB-based Digital I/O Module

User's Guide

Document Revision 2, May, 2006

© Copyright 2006, Measurement Computing Corporation™

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iii

Table of Contents

About this User's Guide .......................................................................................................................v

What you will learn from this user's guide .........................................................................................................v

Conventions in this user's guide .........................................................................................................................v

Where to find more information.........................................................................................................................v

Chapter 1

Introducing the USB-1024HLS......................................................................................................... 1-1

USB-1024HLS block diagram........................................................................................................................ 1-2

Software features............................................................................................................................................ 1-2

Connecting a USB-1024HLS to your computer is easy ................................................................................. 1-3

Chapter 2

Installing the USB-1024HLS............................................................................................................. 2-1

What comes with your USB-1024HLS shipment? ......................................................................................... 2-1

Hardware ....................................................................................................................................................................... 2-1

Additional documentation.............................................................................................................................................. 2-1

Unpacking the USB-1024HLS ....................................................................................................................... 2-1

Installing the software .................................................................................................................................... 2-2

Installing the hardware ................................................................................................................................... 2-2

Chapter 3

Functional Details ............................................................................................................................. 3-1

External components ...................................................................................................................................... 3-1

USB connector............................................................................................................................................................... 3-1

LED ............................................................................................................................................................................... 3-1

Screw terminal wiring.................................................................................................................................................... 3-2

Main connector and pin out ........................................................................................................................................... 3-2

Digital I/O terminals (Port A0 to A7, Port B0 to B7, Port C0 to C7)............................................................................. 3-3

Power terminals ............................................................................................................................................................. 3-4

Ground terminals ...........................................................................................................................................................3-5

Counter terminal ............................................................................................................................................................ 3-5

Pull-up/pull-down terminals .......................................................................................................................................... 3-5

Chapter 4

Specifications.................................................................................................................................... 4-1

Digital input/output......................................................................................................................................... 4-1

Counter section............................................................................................................................................... 4-2

Power.............................................................................................................................................................. 4-2

General ........................................................................................................................................................... 4-3

Environmental ................................................................................................................................................ 4-3

Mechanical ..................................................................................................................................................... 4-3

Main connector and pin out............................................................................................................................ 4-3

iv

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 USB-1024HLS so that you get the most out of
its USB digital I/O 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

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

Additional information about E-1608 hardware is available on our website at www.mccdaq.com. You can also
contact Measurement Computing Corporation by phone, fax, or email with specific questions.

 Knowledgebase: kb.mccdaq.com
 Tech support form: www.mccdaq.com/support/support_form.aspx
 Email: [e-mail]
 Phone: [phone] and follow the instructions for reaching Tech Support

v

Chapter 1

Introducing the USB-1024HLS

This user's guide contains all of the information you need to connect the USB-1024HLS to your computer and
to the signals you want to measure.

The USB-1024HLS is a USB 2.0 low-speed module supported under popular Microsoft
systems. It is designed for USB 1.1 ports, and was tested for full compatibility with both USB 1.1 and USB 2.0
ports.

Refer to the "Be sure you are using the latest system software" note in Chapter , "
1024HLS

The USB-1024HLS is a high drive, 24-line digital I/O module that includes one 32-bit external event counter.
The module is powered by the +5 volt USB supply from your computer. No external power is required.

An emulation of the 82C55 in mode 0 (only) sets the direction of the 24 digital I/O lines in four ports. Each
digital port can be configured for either input or output. The 74FCT244 outputs are high-drive TTL, capable of
sourcing 15 mA and sinking 64 mA.

The USB-1024HLS is shown in Figure 1-1. All I/O connections are made to the screw terminals on each side of
the USB-1024HLS.

," to make sure you are using the latest USB drivers.

2 Installing the USB-

®

Windows® operating

Figure 1-1. USB-1024HLS

1-1

USB-1024HLS User's Guide Introducing the USB-1024HLS

USB-1024HLS block diagram

USB-1024HLS functions are illustrated in the block diagram shown here.

USB 2.0

compliant

interface

USB

Microcontroller

8

Port A

Port B

Screw terminal I/O connector

Figure 1-2. USB-1024HLS functional block diagram

888

Port CHIPort C

LO

4488

event counter

Discrete, low-

Discrete, low­power drivers

power drivers

32-bit

1 channel

1

Software features

For information on the features of InstaCal and the other software included with your USB-1024HLS, 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
under less commonly used operating systems.

for the latest software version or versions of the software supported

1-2