Measurement Computing CIO-DIO96 Manuale utente

CIO-DIO96

Digital Input/Output Board

User’s Guide

Document Revision 1A, December, 2006

Trademark and Copyright Information

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

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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.

HM CIO-DIO96.doc

Table of Contents

Preface

About this User's Guide .......................................................................................................................6

What you will learn from this user's guide.........................................................................................................6

Conventions in this user's guide .........................................................................................................................6

Where to find more information.........................................................................................................................6

Chapter 1

Introducing the CIO-DIO96...................................................................................................................7

Overview: CIO-DIO96 features .........................................................................................................................7

Software features................................................................................................................................................7

Chapter 2

Installing the CIO-DIO96.......................................................................................................................8

What comes with your CIO-DIO96 shipment? ..................................................................................................8

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

Additional documentation................................................................................................................................................. 8

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

Unpacking the CIO-DIO96 ................................................................................................................................9

Installing the software ........................................................................................................................................9

Configuring the base address switch ..................................................................................................................9

Base address switch .......................................................................................................................................................... 9

Wait state jumper.............................................................................................................................................................10

Installing the CIO-DIO96.................................................................................................................................11

Connecting the board for I/O operations ..........................................................................................................11

Connectors, cables – main I/O connector ........................................................................................................................11

Pinout – main I/O connectors ..........................................................................................................................................12

Cabling.............................................................................................................................................................................12

Field wiring, signal termination, and conditioning ..........................................................................................................13

Chapter 3

Functional Details ...............................................................................................................................14

Signal level control...........................................................................................................................................14

Digital I/O Isolation..........................................................................................................................................15

Chapter 4

Programming and Developing Applications ....................................................................................16

Programming languages ...................................................................................................................................16

Packaged applications programs ......................................................................................................................16

Register-level programming .............................................................................................................................16

Chapter 5

Specifications......................................................................................................................................17

Digital input / output ........................................................................................................................................17

Power consumption ..........................................................................................................................................17

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

Main connectors and pin out ............................................................................................................................17

Preface

About this User’s Guide

What you will learn from this user's guide

This user's guide describes the Measurement Computing CIO-DIO96 data acquisition board 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.

Where to find more information

Additional information about CIO-DIO96 hardware is available on our website at

www.mccdaq.com.You can also contact Measurement Computing Corporation 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

For international customers, contact your local distributor. Refer to the International Distributors section on our

website at www.mccdaq.com/International.

Chapter 1

Introducing the CIO-DIO96

Overview: CIO-DIO96 features

The CIO-DIO96 is a 96-bit digital I/O board with four 82C55 parallel-interface chips. The board provides the

96 bits in 24-bit groups based on the 82C55 specification.

Each 82C55 chip controls 24 CMOS/TTL-compatible digital I/O pins. Each 24-bit group is divided into three

eight-bit ports, or two 8-bit ports and two 4-bit ports. Each port is programmable for input or output.

All I/O bits are set to input mode (high impedance) on power up and reset. Locations are available for installing

pull-up or pull-down resistors.

All signals pass through a 50-pin connector.

Software features

For information on the features of InstaCal and the other software included with your CIO-DIO96, 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 for the latest software version.

Chapter 2

Installing the CIO-DIO96

What comes with your CIO-DIO96 shipment?

The following items are shipped with the CIO-DIO96.

Hardware

CIO-DIO96

Additional documentation

In addition to this hardware user's guide, you should also receive the Quick Start Guide (available in PDF at

www.mccdaq.com/PDFmanuals/DAQ-Software-Quick-Start.pdf). This booklet supplies a brief description of

the software you received with your CIO-DIO96 and information regarding installation of that software. Please

read this booklet completely before installing any software or hardware.

Optional components

Cables

C50FF-x

Signal termination and conditioning accessories

MCC provides signal conditioning and termination products for use with the CIO-DIO96. Refer to Field

wiring, signal termination, and conditioning on page 13 for a complete list of compatible accessory

products.

CIO-DIO96 User's Guide Installing the CIO-DIO96

Unpacking the CIO-DIO96

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

electricity. Before removing the CIO-DIO96 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.

If any components are missing or damaged, notify Measurement Computing Corporation immediately by

phone, fax, or e-mail:

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

Installing the software

Refer to the Quick Start Guide for instructions on installing the software on the Measurement Computing Data

Acquisition Software CD. This booklet is available in PDF at www.mccdaq.com/PDFmanuals/DAQ-Software-

Quick-Start.pdf.

Configuring the base address switch

The CIO-DIO96 employs the PC bus for power, communications and data transfer. As such, it draws power

from the PC, monitors the address lines and control signals, responds to its I/O address, and receives and places

data on the eight data lines.

The CIO-DIO96 has one bank of base address-select switches, and one wait-state jumper. Verify their settings

before installing the board in your computer.

Base address switch

The easiest way to set the base address is to let InstaCal show you the correct settings. However, if you are

already familiar with setting ISA base addresses, you may use the base address switch description below to

guide your base address selection.

The base address is the starting location that software writes to when communicating with the CIO-DIO96. A

set of DIP switches is used to set the base address. By placing the switch down, the CIO-DIO96 address decode

logic is instructed to respond to that address bit. A complete address is constructed by calculating the HEX or

decimal number which corresponds to all the address bits the board has been instructed to respond to.

The board is shipped with the base address set to 300 hex (see ). Unless there is already a board in your

system that uses address 300 hex (768 decimal), leave the switches as they were set at the factory.

Figure 1

Figure 1. Base address switch

200

100

987654

DDRESS

In the default configuration, addresses 9 and 8 are down, and all others are up. Address 9 = 200 hex

(512 decimal), and address 8 = 100 hex (256 decimal). When added together they equal 300 hex (768 decimal).

CIO-DIO96 User's Guide Installing the CIO-DIO96

Disregard the numbers printed on the switch

When setting the base address, refer to the numbers printed in white on the printed circuit board.

PC I/O Address Summary

Hex Range Function Hex Range Function

000-00F 8237 DMA #1 2C0-2CF EGA

020-021 8259 PIC #1 2D0-2DF EGA

040-043 8253 TIMER 2E0-2E7 GPIB (AT)

060-063 8255 PPI (XT) 2E8-2EF SERIAL PORT

060-064 8742 CONTROLLER (AT) 2F8-2FF SERIAL PORT

070-071 CMOS RAM & NMI MASK (AT) 300-30F PROTOTYPE CARD

080-08F DMA PAGE REGISTERS 310-31F PROTOTYPE CARD

0A0-0A1 8259 PIC #2 (AT) 320-32F HARD DISK (XT)

0A0-0AF NMI MASK (XT) 378-37F PARALLEL PRINTER

0C0-0DF 8237 #2 (AT) 380-38F SDLC

0F0-0FF 80287 NUMERIC CO-P (AT) 3A0-3AF SDLC

1F0-1FF HARD DISK (AT) 3B0-3BB MDA

200-20F GAME CONTROL 3BC-3BF PARALLEL PRINTER

210-21F EXPANSION UNIT (XT) 3C0-3CF EGA

238-23B BUS MOUSE 3D0-3DF CGA

23C-23F ALT BUS MOUSE 3E8-3EF SERIAL PORT

270-27F PARALLEL PRINTER 3F0-3F7 FLOPPY DISK

2B0-2BF EGA 3F8-3FF SERIAL PORT

You can set the base address switch to any address in the range of 000-3F8. If you are not using IBM

prototyping cards or another board which occupies these addresses, 300-31Fh are also free to use.

Addresses not specifically listed, such as 390-39Fh, are not reserved and may be available. Check your

computer for other boards which may use I/O addresses.

Wait state jumper

The CIO-DIO96 board has a wait state jumper which you can set to enable an on-board wait state generator. A

wait state is an extra delay injected into the processor's clock via the bus. This delay slows down the processor

when the processor addresses the CIO-DIO96 board, so that signals from slow devices (chips) are valid.

The jumper is shown in configured for OFF (wait state is disabled).Figure 2

Figure 2. Wait state jumper

WAIT

STATE

The wait state generator is only active when the CIO-DIO96 is being accessed. Your PC will not be slowed

down in general by using the wait state.

Because all PC expansion board buses are slowed to either 8 MHz or 10 MHz, the wait state generally is not

required. If you experience sporadic failures, try enabling the wait state generator.

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