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Introduction to Programmable Logic Controllers Presented at NPSC’99 - Dallas TX NPSC’99 YOUR KEY TO THE FUTURE.

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Presentation on theme: "Introduction to Programmable Logic Controllers Presented at NPSC’99 - Dallas TX NPSC’99 YOUR KEY TO THE FUTURE."— Presentation transcript:

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2 Introduction to Programmable Logic Controllers Presented at NPSC’99 - Dallas TX NPSC’99 YOUR KEY TO THE FUTURE

3 Presented by: WilliamWilliam S. Warren CET/CSM PresidentPresident : Warren Electronic Services CompanyCompany motto: Tomorrow’s Technology - Today ! philosophy: We advise - You decide !

4 Brief biography Manager of consumer electronic service company - 2 years.Manager of consumer electronic service company - 2 years. Founder/president/manager of Warren’s Audio-Video Service Founder/president/manager of Warren’s Audio-Video Service Founder/president/manager of Warren Electronic Services 1998 to present.Founder/president/manager of Warren Electronic Services 1998 to present. Past President of ETESDA & TESDA.Past President of ETESDA & TESDA. Past Vice-President of NESDA.Past Vice-President of NESDA. Current Chairman of ISCET. Current Chairman of ISCET.

5 Welcome The purpose of this seminar is to give you a very simple look at industrial control systems utilizing programmable logic controllers. There is no need for you to be familiar in any way with this field. The only requirement is that you enter with an open mind.

6 What will I learn ? What do we mean my industrial controls.What do we mean my industrial controls. Similarities with consumer service.Similarities with consumer service. Differences with consumer service.Differences with consumer service. Requirements for entry into the field.Requirements for entry into the field. Can my techs make the transition????Can my techs make the transition????

7 Industrial Controls The hardware and software required to make machinery operate.The hardware and software required to make machinery operate. Can be automatic, manual, or a combination.Can be automatic, manual, or a combination. Most people are referring to automatic systems when using the term.Most people are referring to automatic systems when using the term.

8 A Brief History Non-sequential interconnectNon-sequential interconnect Stepper switchesStepper switches SequencersSequencers PLC’sPLC’s Computer-based (and combo’s)Computer-based (and combo’s)

9 Similarities to Consumer Service Similar technologies as advanced consumer products such as camcordersSimilar technologies as advanced consumer products such as camcorders Client interaction - Fix the client as well as fix the problemClient interaction - Fix the client as well as fix the problem Scheduling (mostly on-site)Scheduling (mostly on-site) Varied billing procedures and a need to conform to clients’ needsVaried billing procedures and a need to conform to clients’ needs

10 Differences to Consumer Service Some technologies you may not be used to such as hydraulic & pneumaticSome technologies you may not be used to such as hydraulic & pneumatic Clients want solutions only - not excusesClients want solutions only - not excuses Creative solutions sometimes necessaryCreative solutions sometimes necessary Time is a primary concern !Time is a primary concern ! Critical safety issuesCritical safety issues

11 Lack of Detail Can Cost Lives Automated machinery can be dangerousAutomated machinery can be dangerous Liability issues should always be consideredLiability issues should always be considered Try to get the client to accept as much liability as possibleTry to get the client to accept as much liability as possible Good Safety Resource: Saftey for Man and Machine Pilz Inc. US office: Good Safety Resource: Saftey for Man and Machine Pilz Inc. US office:

12 Is there a jargon ? There is a whole new vocabulary.There is a whole new vocabulary. This should be nothing new - consumer servicers have been learning new vocabularies for years.This should be nothing new - consumer servicers have been learning new vocabularies for years. We will begin to cover some of the basics.We will begin to cover some of the basics.

13 World Class Service Forget consumer service’s version.Forget consumer service’s version. Real service - not lip service.Real service - not lip service. No excuses - just solutions.No excuses - just solutions.

14 Business requirements Insurance.Insurance. References. (you may already have them)References. (you may already have them) Certifications.Certifications. Communications:24/7 Telephone Pagers Cell phoneCommunications:24/7 Telephone Pagers Cell phone

15 Technical requirements ElectronicsElectronics Electrical - including code.Electrical - including code. PneumaticsPneumatics HydraulicsHydraulics You Can ! I firmly believe that any consumer technician that can repair a camcorder can do industrial work.

16 Breaktime

17 Specialize or Generalize Why not represent everyone?Why not represent everyone? Brand Z has “real deal” on a beginner’s package - should I bite?Brand Z has “real deal” on a beginner’s package - should I bite?

18 Hardware PLC’sPLC’s OIT’sOIT’s I/OI/O InterconnectionInterconnection

19 Major Names - PLC’s Varies by market.Varies by market. Allen BradleyAllen Bradley Seimens (TI)Seimens (TI) OmronOmron KoyoKoyo

20 Major Names - OIT’s Varies by marketVaries by market Many major PLC brands have branded OIT’s made by othersMany major PLC brands have branded OIT’s made by others XYCOM (both by name and OEM)XYCOM (both by name and OEM) DirectTouch & OptiMateDirectTouch & OptiMate Exor, Maple Systems & many othersExor, Maple Systems & many others

21 Software Window’s based PLC.Window’s based PLC. Window’s based OIT.Window’s based OIT. Modem remote. What’s the big deal about 11 bit?Modem remote. What’s the big deal about 11 bit? Dedicated programmers.Dedicated programmers.

22 A Programmer Hard at Work

23 Ladder Logic What is ladder logic ?What is ladder logic ? Must I learn about ladder logic?Must I learn about ladder logic? Is all ladder logic the same?Is all ladder logic the same? Are there alternatives to ladder logic?Are there alternatives to ladder logic?

24 Let’s look at some ladder logic

25 Alternative - Computer Based Systems Gaining acceptance - particularly in high count I/O systems.Gaining acceptance - particularly in high count I/O systems. It’s not your mother’s PC we are talking about !It’s not your mother’s PC we are talking about ! PLC’s have many advantages in many applications.PLC’s have many advantages in many applications. Don’t be fooled by the hype of the PC guys!Don’t be fooled by the hype of the PC guys!

26 Available Training ManufacturersManufacturers Distributors of productsDistributors of products Community collegesCommunity colleges Programmable Logic Controllers TPC Training Systems offered by ISCET (very soon)Programmable Logic Controllers TPC Training Systems offered by ISCET (very soon) various books and publications such as Toshiba Medium PLC Primer by Ed Dropkavarious books and publications such as Toshiba Medium PLC Primer by Ed Dropka

27 Sources of Information Control Engineering Engineering Electronic Design News Design News Electronic Engineering Times Engineering Times Industrial Maintenance & Plant Oper. Maintenance & Plant Oper.

28 Sources of Information Instrument & Automation News & Automation News Industrial Product Bulletin Product Bulletin ECN Designfax (* net)Designfax (* net)

29 Sources of Information NASA Tech Briefs Tech Briefs And don’t forget various governmental agencies. Most branches of government have offices set up to help small businesses deal with them.And don’t forget various governmental agencies. Most branches of government have offices set up to help small businesses deal with them.

30 Question & Answer Time HardwareHardware SoftwareSoftware RequirementsRequirements OtherOther THANK YOU FOR ATTENDING !!!!!!THANK YOU FOR ATTENDING !!!!!!


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