Measurement USB-QUAD08 User Manual
USB-DIO96H/50
User's Guide
Document Revision 8
September 2013
© Copyright 2013
Hardware Revision 2
High-drive Digital I/O
HM USB-DIO96H_50_R2.docx
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Table of Contents
Preface
About this User's Guide ....................................................................................................................... 4
What you will learn from this user's guide ......................................................................................................... 4
Conventions in this user's guide ......................................................................................................................... 4
Where to find more information ......................................................................................................................... 4
Chapter 1
Introducing the USB-DIO96H/50 .......................................................................................................... 5
USB-DIO96H/50 block diagram ........................................................................................................................ 6
Connecting a USB-DIO96H/50 to your computer is easy .................................................................................. 6
Chapter 2
Installing the USB-DIO96H/50 .............................................................................................................. 7
What comes with your shipment? ....................................................................................................................... 7
Hardware .......................................................................................................................................................................... 7
Software ............................................................................................................................................................................ 7
Documentation ................................ ................................................................ ................................................................ .. 7
Optional components ........................................................................................................................................................ 7
Unpacking........................................................................................................................................................... 7
Installing the software ........................................................................................................................................ 7
Installing the hardware ....................................................................................................................................... 7
Connecting the external power supply .............................................................................................................................. 7
Connecting the USB-DIO96H/50 to your system ............................................................................................................. 8
Signal connections .............................................................................................................................................. 8
P1 pinout ........................................................................................................................................................................... 9
P2 pinout ........................................................................................................................................................................... 9
Field wiring and signal termination .................................................................................................................................10
Chapter 3
Functional Details ............................................................................................................................... 11
Internal components ......................................................................................................................................... 11
USB connector .................................................................................................................................................................11
External power connector ................................................................................................................................................11
Molex connector ..............................................................................................................................................................11
Power source jumper JP2 .................................................................................................................................................12
USB LED ................................................................ ................................ ................................................................ .........12
PWR LED ........................................................................................................................................................................12
50-pin header connectors .................................................................................................................................................12
Pull-up/pull-down DIP switches ......................................................................................................................................13
Mechanical drawings ................................................................................................................................ ........ 13
Chapter 4
Specifications ...................................................................................................................................... 14
Digital input/output........................................................................................................................................... 14
Power ................................................................................................................................................................ 15
Environmental .................................................................................................................................................. 15
USB specifications ........................................................................................................................................... 15
Data transfer rates ............................................................................................................................................. 15
Mechanical ....................................................................................................................................................... 16
Signal connectors .............................................................................................................................................. 16
P1 .....................................................................................................................................................................................16
P2 .....................................................................................................................................................................................17
Declaration of Conformity .................................................................................................................. 18
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About this User's Guide
What you will learn from this user's guide
This user's guide describes the Measurement Computing USB-DIO96H/50 data acquisition device and lists
device specifications.
Conventions in this user's guide
For more information
Text presented in a box signifies additional information related to the subject matter.
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.
Preface
Where to find more information
Additional information about USB-204 hardware is available on our website at www.mccdaq.com. You can
also contact Measurement Computing Corporation with specific questions.
Knowledgebase: kb.mccdaq.com
Phone: 508-946-5100 and follow the instructions for reaching Tech Support
Fax: 508-946-9500 to the attention of Tech Support
Email: techsupport@mccdaq.com
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Chapter 1
Introducing the USB-DIO96H/50
The USB-DIO96H/50 is supported under popular Microsoft® Windows® operating systems. The USBDIO96H/50 is fully compatible with both USB 1.1 and USB 2.0 ports.
The USB-DIO96H/50 provides 96 digital I/O lines, high output current.
The 96 digital I/O lines are accessed through two 50-pin connectors. 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 can configure
each port independently for either input or output.
The USB-DIO96H/50 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 during power up and reset. You can
optionally set these switches for a pull-down configuration. All I/O bits are set to input mode on power up and
reset.
The USB-DIO96H/50 is shipped in a rugged metal enclosure that you can mount on a DIN rail or on a bench
(see Figure 1).
The USB-DIO96H/50 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/50 hardware, which uses a 5 V power supply. Revision 1 of
the USB-DIO96H/50 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-50_R1.pdf.
Figure 1. USB-DIO96H/50
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USB-DIO96H/50 User's Guide Introducing the USB-DIO96H/50
USB-DIO96H/50 block diagram
USB-DIO96H/50 functions are illustrated in the block diagram shown here.
Figure 2. USB-DIO96H/50 functional block diagram
Connecting a USB-DIO96H/50 to your computer is easy
Installing a data acquisition device has never been easier.
The USB-DIO96H/50 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/50. No third-party device driver is required.
The USB-DIO96H/50 is plug-and-play. There are no jumpers to position, dual in-line package (DIP)
switches to set, or interrupts to configure.
You can connect the USB-DIO96H/50 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 USB 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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