Measurement Computing USB-DIO96H Manuale utente

USB-DIO96H

High-drive Digital I/O

User's Guide

Hardware Revision 2

June 2016. Rev 12A

©Measurement Computing Corporation.

HM USB-DIO96H_R2.docx

Trademark and Copyright Information

Measurement Computing Corporation, InstaCal, Universal Library, and the Measurement Computing logo are

either trademarks or registered trademarks of MeasurementComputing Corporation. Refer to the Copyrights &

Trademarks section on mccdaq.com/legal for more information about Measurement Computing trademarks.

Other product and company namesmentioned herein are trademarks or trade names of their respective

companies.

reproduced, stored in a retrieval system, or transmitted, in any form by any means, electronic,mechanical, by

photocopying, recording, or otherwise without the prior written permission of Measurement Computing

Corporation.

Notice

Measurement Computing Corporation does not authorize any Measurement Computing Corporation product for

use in life support systems and/or devices without prior written consent from Measurement Computing

Corporation. Life support devices/systems are devices or systems that, a) are intended for surgical implantation

into the body, or b) support or sustain life and whose failure to perform can be reasonably expected to result in

injury. Measurement Computing Corporation products are not designed with the components required, and are

not subject to the testing required to ensure a level of reliability suitable for the treatment and diagnosis of

people.

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 ...............................................................................................................5

USB-DIO96H block diagram .............................................................................................................................6

Chapter 2

Installing the USB-DIO96H ...................................................................................................................7

Unpacking...........................................................................................................................................................7

Installing the software ........................................................................................................................................7

Connecting the external power supply................................................................................................................7

Installing the hardware .......................................................................................................................................7

Chapter 3

Functional Details .................................................................................................................................9

Components........................................................................................................................................................9

USB IN connector............................................................................................................................................................. 9

External power connector ................................................................................................................................................. 9

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

Power source jumper JP2.................................................................................................................................................10

USB LED.........................................................................................................................................................................10

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

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

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

Signal connections............................................................................................................................................11

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

Counter input ...................................................................................................................................................................13

Power outputs ..................................................................................................................................................................13

Ground.............................................................................................................................................................................13

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

Chapter 4

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

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

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

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

Environmental ..................................................................................................................................................17

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

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

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

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

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

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

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

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

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

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

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

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.

Knowledgebase: kb.mccdaq.com

Tech support form: www.mccdaq.com/support/support_form.aspx

Email: techsupport@mccdaq.com

Phone: 508-946-5100 and follow the instructions for reaching Tech Support

Chapter 1

Introducing the USB-DIO96H

The USB-DIO96H is a USB 2.0 full-speed device that provides the following features:

96 bits of digital I/O lines in four independent port groups,

oEach group is divided into two 8-bit ports and two 4-bit ports, and is a discrete emulation of 82C55

mode zero operation

oEach port is software-selectable for either input or output

oEach 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.

High-drive TTL outputs that can source 24 mA and sink 64 mA

A 32-bit external event counter.

Screw terminals for signal I/O connections

50-pin mass termination connectors for OEM applications (remove enclosure to access mass termination

connectors)

Rugged metal enclosure that can mount on a DIN rail or on a bench. A USB cable is included.

The USB-DIO96H is fully compatible with both USB 1.1 and USB 2.0 ports. Revision G and later devices are

also compatible with USB 3.0 ports.

The USB-DIO96H is powered by an external +5 V regulated power supply that is shipped with the device.

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.

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 1. USB-DIO96H functional block diagram

Chapter 2

Installing the USB-DIO96H

Unpacking

As with any electronic device, you should take care while handling to avoid damage from static

electricity. Before removing the device from its packaging, ground yourself using a wrist strap or by simply

touching the computer chassis or other grounded object to eliminate any stored static charge.

Installing the software

Refer to the MCC DAQ Quick Start and the USB-DIO96H product page on our website for information about

the available software.

Install the software before you install your device

The driver needed to run the USB-DIO96H is installed with the software. Therefore, you need to install the

software package you plan to use before you install the hardware.

Connecting the external power supply

Power to the USB-DIO96H is provided with the +5 V external power supply (PS-5V3AEPS). You must

connect the external power supply before connecting the USB cable to the USB-DIO96H and your computer.

To connect the power supply to the USB-DIO96H, connect the external power cord to the power connector

labeled POWER IN on the USB-DIO96H enclosure (P5 on the board). Refer to Figure 2 on page 9 for the

location of this connector.

The PWR LED lights up when +5 V power is supplied to the USB-DIO96H. If the voltage supply is less than

+4.1 V or more than +5.6 V, the PWR LED does not turn on.

Installing the hardware

To connect the USB-DIO96H to your system, complete the following steps.

1. Turn your computer on.

2. Connect the USB cable to the USB connector labeled USB IN on the USB-DIO96H.

3. Connect the other end of the USB cable to a USB port on your computer or to an external USB hub that is

connected to your computer.

The USB LED turns on. Refer to Figure 2 on page 9 for the location of the USB LED.

Caution! Do not disconnect the device from the USB bus while the USB LED is on and the computer is

communicating with the USB-DIO96H. You may lose data and/or your ability to communicate

with the USB-DIO96H.

If the USB LED turns off

If the USB LED turns on but then turns off, the computer has lost communication with the USB-DIO96H. To

restore communication, disconnect the USB cable from the computer, and then reconnect it. This should restore

communication, and the USB LED should turn back on.

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

If your system does not detect the USB-DIO96H

Perform the following procedure if a "USB device not recognized" message appears when you connect the

USB-DIO96H:

1. Unplug the USB cable from the USB-DIO96H.

2. Unplug the external power cord from the POWER IN connector on the enclosure.

3. Plug the external power cord back into the POWER IN connector.

4. Plug the USB cable back into the USB-DIO96H.

Your system should now properly detect the USB-DIO96H hardware. Contact technical support if your system

still does not detect the USB-DIO96H.

Chapter 3

Functional Details

Components

These USB-DIO96H components are shown in Figure 2.

USB IN connector

USB LED

External power connector (POWER IN)

PWR LED

3 Molex connector (P6) 8 50-pin connectors (x4)

Power source jumper (J2)

Pull-up/down DIP switches (x4)

Ports 1 through 4

Figure 2. USB-DIO96H components

USB IN connector

The USB in connector is labeled USB IN on the enclosure and J1 on the board. This connector is a USB 2.0

full-speed input connector that you connect to the USB port on your computer (or USB hub connected to your

computer). This connector supports USB 1.1 and USB 2.0 devices.

Hardware revision G and later are also compatible with USB 3.0 ports. The board revision may be determined

from the part number label on the enclosure that states "193770X-01L", where X is the board revision.

External power connector

The USB-DIO96H has an external power connector labeled POWER IN on the enclosure and P5 on the board.

Connect the POWER IN connector to the supplied +5 V external power supply (PS-5V3AEPS). When running

at full load, the USB-DIO96H draws 2.7 A from the supply.

USB-DIO96H User's Guide Functional Details

Molex connector

The internal Molex connector is labeled P6 on the board. Remove the device enclosure to access this connector.

Internal power connector pinout

Pin 1 5 V

Pin 2

GND

Pin 3

GND

Pin 4

NC (no connect)

Pin 1 (5 V) of the Molex connector is directly to the left of the power source jumper (JP2).

Figure 3. Molex connector (P6) pin assignments

Power source jumper JP2

The power source jumper is labeled JP2 on the board. Use this jumper to configure the USB-DIO96H to use

either the external power connector (POWER IN) or the Molex connector. Figure 4shows the jumper in each

configuration mode.

JP2 JP2

Power from external supply

(default position)

Power from internal

Molex connector

Figure 4. JP2 configuration modes

USB LED

The USB LED turns on to indicate the communication status of the USB-DIO96H. It uses up to 5 mA of current

and cannot be disabled. The table below explains the behavior of the USB LED.

USB LED behavior

LED Behavior Indication

Steady green

The USB-DIO96H is connected to a computer or external USB hub.

Continuous blink

Initial communication is established between the device and the computer, or data is being

transferred.

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