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Construction And Application Of A Computer Based Interface Card

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Conference

2002 Annual Conference

Location

Montreal, Canada

Publication Date

June 16, 2002

Start Date

June 16, 2002

End Date

June 19, 2002

ISSN

2153-5965

Conference Session

Curriculum Development in Computer ET

Page Count

11

Page Numbers

7.325.1 - 7.325.11

DOI

10.18260/1-2--10143

Permanent URL

https://peer.asee.org/10143

Download Count

78

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Paper Authors

author page

Michael Combs

author page

Ahmad Zargari

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Abstract
NOTE: The first page of text has been automatically extracted and included below in lieu of an abstract

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Session 3547

Construction and Application of a Computer Based Interface Card

Michael Combs Ahmad Zargari, Ph.D., CSIT Telescope Operations Engineer Associate Professor m.combs@morehead-st.edu a.zargar@morehead-st.edu Morehead State University Morehead State University Morehead, Kentucky Morehead, Kentucky

Abstract

Automated control of manufacturing systems and research tasks are becoming more demanding in today’s competitive market. Computer interface and control applications are common practice not exceptions in the workplace. The knowledge of how to manage processes with computer control can be developed by working with basic tools of microprocessor interfacing. An interface card placed in a microcomputer can provide practitioners with the skills they need to be competitive. The Intel 82C55A programmable peripheral interface IC can be used to interface external hardware with a microcomputer.

The interface card being built and used at Morehead State University is based on the Intel 82C55A programmable peripheral I/O device. With minimal support circuitry the 82C55A can be interfaced with a microcomputer. The 82C55A contains three 8-bit ports providing 24 lines of digital I/O. Several circuits can be connected to the 82C55A making it more versatile. Counter/timers, analog to digital converters, digital to analog converters, sensors, and several other circuits can be connected to the interface card.

The card is used to control and monitor different processes through hardware and software interfaces. Software used to program the interface card includes BASIC, Visual Basic, Visual C++, and Labview. The software interfaces include simple to complex routines depending on the application. Construction and application of the Intel 82C55A interface card help provide an individual with the knowledge and skills of computer based control applications.

Introduction

Microcomputers have developed into a powerful and versatile tool in today’s industry and research labs. Microcomputers are being used to control complex tasks and processes. It has become necessary to have a basic understanding of how these control processes work in order to be competitive.

In order to control a process by a microcomputer an interface must exist from the microcomputer to the hardware being controlled. An interface can span from a simple to complex design.

“Proceedings of the 2002 American Society for Engineering Education Annual Conference & Exposition Copyright © 2002, American Society for Engineering Education”

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Combs, M., & Zargari, A. (2002, June), Construction And Application Of A Computer Based Interface Card Paper presented at 2002 Annual Conference, Montreal, Canada. 10.18260/1-2--10143

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