Measurement USB-PDISO840 User Manual

USB-DIO96H

User's Guide

Hardware Revision 2

Document Revision 8
February 2012
© Copyright 2012

High-drive Digital I/O

HM USB-DIO96H_R2.docx

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Table of Contents

Preface

About this User's Guide ....................................................................................................................... 5

What you will learn from this user's guide ......................................................................................................... 5

Conventions in this user's guide ......................................................................................................................... 5

Where to find more information ......................................................................................................................... 5

Chapter 1

Introducing the USB-DIO96H ............................................................................................................... 6

USB-DIO96H block diagram ............................................................................................................................. 7

Connecting a USB-DIO96H to your computer is easy ....................................................................................... 7

Chapter 2

Installing the USB-DIO96H ................................................................................................................... 8

What comes with your shipment? ....................................................................................................................... 8

Hardware .......................................................................................................................................................................... 8

Software ............................................................................................................................................................................ 8

Documentation ................................ ................................................................ ................................................................ .. 8

Optional components ........................................................................................................................................................ 8

Unpacking........................................................................................................................................................... 8

Installing the software ........................................................................................................................................ 8

Installing the hardware ....................................................................................................................................... 9

Connecting the external power supply .............................................................................................................................. 9

Connecting the USB-DIO96H to your system .................................................................................................................. 9

Chapter 3

Functional Details ............................................................................................................................... 10

Internal components ......................................................................................................................................... 10

USB IN connector ............................................................................................................................................................10

External power connector ................................................................................................................................................10

Molex connector ..............................................................................................................................................................10

Power source jumper JP2 .................................................................................................................................................11

USB LED ................................................................ ................................ ................................................................ .........11

PWR LED ........................................................................................................................................................................11

50-pin connectors .............................................................................................................................................................11

Pull-up/pull-down DIP switches ......................................................................................................................................11

Signal connections ............................................................................................................................................ 12

Digital I/O (FIRSTPORTA Bit 0 to FOURTHPORTC Bit 7) .........................................................................................13

Counter input ...................................................................................................................................................................14

Power outputs ..................................................................................................................................................................14

Ground ................................................................................................................................................................ .............14

Mechanical drawings ................................................................................................................................ ........ 14

Chapter 4

Specifications ...................................................................................................................................... 15

Digital input/output........................................................................................................................................... 15

Power ................................................................................................................................................................ 16

Counter ............................................................................................................................................................. 16

Environmental .................................................................................................................................................. 16

USB specifications ........................................................................................................................................... 17

Data transfer rates ............................................................................................................................................. 17

Mechanical ....................................................................................................................................................... 17

Screw terminal connectors ................................................................................................................................ 17

Screw terminal pinout ......................................................................................................................................................18

Ribbon connectors ............................................................................................................................................ 19

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USB-DIO96H User's Guide

P1 pinout ..........................................................................................................................................................................19

P2 pinout ..........................................................................................................................................................................20

P3 pinout ..........................................................................................................................................................................21

P4 pinout ..........................................................................................................................................................................22

Declaration of Conformity .................................................................................................................. 23

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Preface

About this User's Guide

What you will learn from this user's guide

This user's guide describes the Measurement Computing USB-DIO96H data acquisition device and lists device
specifications.

This manual covers revision 2 hardware and later

This manual covers revision 2 of the USB-DIO96H hardware, which uses a 5 V power supply. Revision 1 of the
USB-DIO96H hardware has a 9 V power supply and daisy-chained hub. For information on revision 1
hardware, refer to www.mccdaq.com/pdfs/manuals/USB-DIO96H_R1.pdf.

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 USB-DIO96H is available on our website at www.mccdaq.com. You can also
contact Measurement Computing Corporation by phone, fax, or email with specific questions.

 Phone: [phone] and follow the instructions for reaching Tech Support
 Fax: [phone] to the attention of Tech Support
 Email: [e-mail]

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Chapter 1

Introducing the USB-DIO96H

The USB-DIO96H is supported under popular Microsoft® Windows® operating systems. The USB-DIO96H is
fully compatible with both USB 1.1 and USB 2.0 ports.

The USB-DIO96H provides 96 digital I/O lines, high output current, and one 32-bit external event counter.
You connect the field wiring directly to the device's screw terminals. The 96 digital I/O lines are available in

four independent port groups. Each digital port group is divided into two 8-bit ports and two 4-bit ports, and is a
discrete emulation of 82C55 mode zero operation. You configure each port independently for either input or
output.

The USB-DIO96H outputs are high-drive TTL that can source 24 mA and sink 64 mA. Additional buffering is
typically not required to drive external devices.

Each digital port has associated DIP switches to drive the ports high or low during power up and reset (pull-up
or pull-down configuration.) All I/O bits are set to input mode on power up and reset.

The USB-DIO96H also provides 50-pin mass termination connectors. For OEM's who wish to use the mass
termination connectors, the enclosure needs to be removed.

The USB-DIO96H is shipped in a rugged metal enclosure that you can mount on a DIN rail or on a bench
(see Figure 1). A USB cable is included.

The USB-DIO96H is powered by an external +5 V regulated power supply that is shipped with the board. A
jumper-selectable Molex® connector is also available inside the case if you need an alternate power supply (the
cable for this connector is not included).

This manual covers revision 2 hardware and later

This manual covers revision 2 of the USB-DIO96H hardware, which uses a 5 V power supply. Revision 1 of the
USB-DIO96H hardware has a 9 V power supply and daisy-chained hub. For information on revision 1
hardware, refer to www.mccdaq.com/PDFs/specs/USB-DIO96H_R1-spec.pdf.

Figure 1. USB-DIO96H

6

USB-DIO96H User's Guide Introducing the USB-DIO96H

USB-DIO96H block diagram

USB-DIO96H functions are illustrated in the block diagram shown here.

Figure 2. USB-DIO96H functional block diagram

Connecting a USB-DIO96H to your computer is easy

Installing a data acquisition device has never been easier.
 The USB-DIO96H relies upon the Microsoft Human Interface Device (HID) class drivers. The HID class

drivers ship with every copy of Windows that is designed to work with USB ports. We use the Microsoft
HID because it is a standard, and its performance delivers full control and maximizes data transfer rates for
your USB-DIO96H. No third-party device driver is required.

 The USB-DIO96H has one jumper for configuring the power source.
 The USB-DIO96H includes four groups of four dual in-line package (DIP) switches for setting the

pull-up/pull down configuration.

 You can connect the USB-DIO96H before or after you install the software, and without powering down

your computer first.
When you connect an HID to your system, your computer automatically detects it and configures the

necessary software. You can connect and power multiple HID peripherals to your system using a USB hub.

 You can connect your system to various devices using a standard four-wire cable. The USB connector

improves upon serial and parallel port connectors with one standardized plug-and-port combination.

 Data flow is bidirectional between a computer and peripheral over USB connections.

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Chapter 2

Installing the USB-DIO96H

What comes with your shipment?

The following items are shipped with the USB-DIO96H.

Hardware

 USB-DIO96H
 External power supply and cord (PS-5V3AEPS) – 5 volt, 3 amp DC power supply
 USB cable
 Two DIN rail mounting feet

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

 C50FF-x cable

Unpacking

As with any electronic device, take care while handling to avoid damage from static electricity. Before
removing the USB-DIO96H from its packaging, ground yourself using a wrist strap or touch either the
computer chassis or other grounded object to eliminate any stored static charge.

If the device is damaged, notify Measurement Computing Corporation immediately by phone, fax, or email.

 Phone: [phone] and follow the instructions for reaching Tech Support
 Fax: [phone] to the attention of Tech Support
 Email: [e-mail]

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.

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