PLC HOME SECURITY SYSTEM

Wesley RoeEKU, Department of TechnologyComputer Electronic Networking

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OUTLINE

Motivation/Introduction Problem Statement Proposed Solution Results Conclusions Future Work

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MOTIVATION/INTRODUCTION

Home Invasion Becoming More Common

Technology Advances In Home Security

PLC’s Make Excellent Automation Units

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PROBLEM STATEMENT

Develop some kind of security system to sound an alarm when a burglar enters the house

Must be inexpensive

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PROPOSED SOLUTION

Hardware Needed: Door Switches Window

Switches Lights Alarm PLC

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PROPOSED SOLUTION

Build a scale model of a house to wire up the security system as if it were going into a real house

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PROPOSED SOLUTION

Programming of the PLC Took a class in PLC programming

approximately 2 years ago Chose the Allen Bradley SLC500

because of familiarity with the PLC Refresh myself on programming of the

PLC Write the PLC program Troubleshoot PLC program

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PROPOSED SOLUTION

Wire everything up and test it out

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RESULTS Got everything wired up Tested all circuits before

connecting to PLC Security system worked once tied

into PLC Whenever a door or window is

opened, the alarm is triggered until the homeowner resets it

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CONCLUSIONS

A PLC is a very realistic means of setting up an internal alarm for your home Can be easily programmed Versatile

Project was a learning experience Learned how to wire up a PLC Learn about alarm techniques and

how to setup an alarm

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FUTURE WORK This could possibly find its way into

my house given enough time and money

This could be a marketable product for people wanting a reliable security system

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QUESTIONS/COMMENTS

Any questions or comments?