Introduction to Introduction to Programmable Logic Programmable Logic ControllersControllers

Presented at NPSC’99 - Dallas TX

NPSC’99

YOUR KEYTO THEFUTURE

Presented by:Presented by:

• William S. Warren CET/CSMWilliam S. Warren CET/CSM

• President : Warren Electronic ServicesPresident : Warren Electronic Services

• Company motto:Company motto:Tomorrow’s Technology - Today !Tomorrow’s Technology - Today !

• Company philosophy:Company philosophy:We advise - You decide !We advise - You decide !

Brief biography Brief biography • Manager of consumer electronic Manager of consumer electronic

service company - 2 years.service company - 2 years.

• Founder/president/manager of Founder/president/manager of Warren’s Audio-Video Service 1973 - Warren’s Audio-Video Service 1973 - 1998.1998.

• Founder/president/manager of Warren Founder/president/manager of Warren Electronic Services 1998 to present.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.

WelcomeWelcome

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 There is no need for you to be familiar in any way with this field. The only any way with this field. The only requirement is that you enter with an requirement is that you enter with an open mind.open mind.

What will I learn ?What will I learn ?

• What do we mean my industrial What do we mean my industrial controls.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????

Industrial ControlsIndustrial Controls

• The hardware and software required The hardware and software required to make machinery operate.to make machinery operate.

• Can be automatic, manual, or a Can be automatic, manual, or a combination.combination.

• Most people are referring to Most people are referring to automatic systems when using the automatic systems when using the term.term.

A Brief HistoryA Brief History

• Non-sequential interconnectNon-sequential interconnect

• Stepper switchesStepper switches

• SequencersSequencers

• PLC’sPLC’s

• Computer-based (and combo’s)Computer-based (and combo’s)

Similarities to Consumer Similarities to Consumer ServiceService

• Similar technologies as advanced Similar technologies as advanced consumer products such as camcordersconsumer products such as camcorders

• Client interaction - Fix the client as well Client interaction - Fix the client as well as fix the problemas fix the problem

• Scheduling (mostly on-site)Scheduling (mostly on-site)

• Varied billing procedures and a need to Varied billing procedures and a need to conform to clients’ needsconform to clients’ needs

Differences to Consumer Differences to Consumer ServiceService

• Some technologies you may not be used Some technologies you may not be used to such as hydraulic & pneumaticto 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

Lack of Detail Can Cost LivesLack of Detail Can Cost Lives• Automated machinery can be Automated machinery can be

dangerousdangerous

• Liability issues should always be Liability issues should always be consideredconsidered

• Try to get the client to accept as Try to get the client to accept as much liability as possiblemuch liability as possible

• Good Safety Resource:Good Safety Resource:Saftey for Man and MachineSaftey for Man and MachinePilz Inc. US office: 810-473-1133Pilz Inc. US office: 810-473-1133

Is there a jargon ?Is there a jargon ?

• There is a whole new vocabulary.There is a whole new vocabulary.

• This should be nothing new - This should be nothing new - consumer servicers have been consumer servicers have been learning new vocabularies for years.learning new vocabularies for years.

• We will begin to cover some of the We will begin to cover some of the basics.basics.

World Class ServiceWorld 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.

Business requirementsBusiness requirements

• Insurance.Insurance.

• References. References. (you may already have them)(you may already have them)

• Certifications.Certifications.

• Communications:Communications: 24/724/7TelephoneTelephone

PagersPagersCell phone Cell phone

Technical requirementsTechnical 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.

BreaktimeBreaktime

Specialize or GeneralizeSpecialize or Generalize

• Why not represent everyone?Why not represent everyone?

• Brand Z has “real deal” on a Brand Z has “real deal” on a beginner’sbeginner’s package - should package - should I bite?I bite?

HardwareHardware

• PLC’sPLC’s

• OIT’sOIT’s

• I/OI/O

• InterconnectionInterconnection

Major Names - PLC’sMajor Names - PLC’s

• Varies by market.Varies by market.

• Allen BradleyAllen Bradley

• Seimens (TI)Seimens (TI)

• OmronOmron

• KoyoKoyo

Major Names - OIT’sMajor Names - OIT’s

• Varies by marketVaries by market

• Many major PLC brands have branded Many major PLC brands have branded OIT’s made by othersOIT’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

SoftwareSoftware

• Window’s based PLC.Window’s based PLC.

• Window’s based OIT.Window’s based OIT.

• Modem remote.Modem remote.What’s the big deal about What’s the big deal about

11 bit?11 bit?

• Dedicated programmers.Dedicated programmers.

•A Programmer Hard at Work

Ladder LogicLadder 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 Are there alternatives to ladder logic?logic?

Let’s look at some ladder Let’s look at some ladder logiclogic

Alternative - Alternative - Computer Based Computer Based

SystemsSystems• Gaining acceptance - particularly in Gaining acceptance - particularly in

high count I/O systems.high count I/O systems.

• It’s not your mother’s PC we are It’s not your mother’s PC we are talking about !talking about !

• PLC’s have many advantages in PLC’s have many advantages in many applications.many applications.

• Don’t be fooled by the hype of the Don’t be fooled by the hype of the PC guys!PC guys!

Available Training Available Training • Manufacturers Manufacturers

• Distributors of productsDistributors of products

• Community collegesCommunity colleges

• Programmable Logic ControllersProgrammable Logic ControllersTPC Training Systems TPC Training Systems

offered byoffered by ISCET (very soon)ISCET (very soon)

• various books and publications such various books and publications such asas Toshiba Medium PLC PrimerToshiba Medium PLC Primer

by Ed Dropkaby Ed Dropka

Sources of InformationSources of Information

• Control EngineeringControl Engineeringwww.controleng.comwww.controleng.com

• Electronic Design NewsElectronic Design Newswww.ednmag.comwww.ednmag.com

• Electronic Engineering TimesElectronic Engineering Timeswww.eet.comwww.eet.com

• Industrial Maintenance & Plant Industrial Maintenance & Plant Oper.Oper. www.impomag.comwww.impomag.com

Sources of InformationSources of Information

• Instrument & Automation NewsInstrument & Automation Newswww.ianmag.comwww.ianmag.com

• Industrial Product BulletinIndustrial Product Bulletinwww.ipb.comwww.ipb.com

• ECNECNwww.ecnmag.comwww.ecnmag.com

• DesignfaxDesignfaxwww.designfax.net (* www.designfax.net (*

net)net)

Sources of InformationSources of Information

• NASA Tech BriefsNASA Tech Briefswww.nasatech.comwww.nasatech.com

• And don’t forget various And don’t forget various governmental agencies. Most governmental agencies. Most branches of government have branches of government have offices set up to help small offices set up to help small businesses deal with them. businesses deal with them.

Question & Answer TimeQuestion & Answer Time

• HardwareHardware

• SoftwareSoftware

• RequirementsRequirements

• OtherOther

• THANK YOU FOR ATTENDING !!!!!!THANK YOU FOR ATTENDING !!!!!!