ECT 464Your words are windows to your heart.ECT 464 GradingTextbookWhat is a PLC?PLC ArchitectureMajor PLC Manufacturers (by US market share)Minor PLC Manufacturers (alphabetical)Types of PLC’sPLC LanguagesPLC Control MethodsPLC Uses in IndustryECT 464 ECT 464 Introduction to PLC’sIntroduction to PLC’sYour words are windows to Your words are windows to your heart.your heart.For out of the overflow of the heart For out of the overflow of the heart the mouth speaks.the mouth speaks. Matthew 12:34 Matthew 12:34ECT 464 GradingECT 464 GradingHomework & QuizzesHomework & Quizzes25 25 %%LabsLabs25 %25 %Midterm Exam))))))))))))))))))Midterm Exam))))))))))))))))))25 25 %%Final Exam)))))))))))))))))))))))Final Exam)))))))))))))))))))))))25 25 %%TextbookTextbook•Erickson. Erickson. Programmable Logic Programmable Logic Controllers; An Emphasis on Controllers; An Emphasis on Design and ApplicationDesign and Application, , Dogwood Valley Press, 2005. Dogwood Valley Press, 2005. •ISBN 0-9766259-0-3ISBN 0-9766259-0-3What is a PLC? What is a PLC? Industrial PC with I/O(PLC) A device used to automate monitoring and control of industrial plant.A set of control relaysComputer with dedicated I/OWidespread in industryInstructions in ladder logic, ladder diagramDisplay monitor, but no keyboardNoise/Humidity/Temperature/Vibration/EMI resilientPLC ArchitecturePLC ArchitectureCPUCPUMemoryMemoryProgramming InterfaceProgramming InterfaceCommunication InterfacesCommunication InterfacesI/OI/OPower SupplyPower SupplyMajor PLC Manufacturers Major PLC Manufacturers (by US market share)(by US market share)Allen Bradley (Rockwell)Allen Bradley (Rockwell)Modicon (Schneider)Modicon (Schneider)General Electric – FanucGeneral Electric – FanucSiemensSiemensOmronOmronMitsubishiMitsubishiMinor PLC ManufacturersMinor PLC Manufacturers(alphabetical)(alphabetical)Cutler HammerCutler HammerEnertronEnertronKeyenceKeyenceKoyoKoyoRelianceRelianceToshibaToshibaYokogawaYokogawa(83 more PLC Manufacturers)(83 more PLC Manufacturers)Types of PLC’sTypes of PLC’sFixed vs. VariableFixed vs. VariableSize:Size:Pico or NanoPico or NanoMicroMicroSmallSmallLargeLargeSpecialty I/OSpecialty I/OPLC LanguagesPLC LanguagesLadder LogicLadder LogicFunction Block DiagramFunction Block DiagramStructured TextStructured TextInstruction ListInstruction ListSequential Function ChartSequential Function ChartPLC Control MethodsPLC Control MethodsDiscreteDiscreteAnalogAnalogSequential (Drum)Sequential (Drum)RecipeRecipePLC Uses in IndustryPLC Uses in IndustryAutomotiveAutomotiveBuilding Automation Building Automation Cement & Glass Cement & Glass Chemical Chemical Electrical Electrical Electronic Electronic Electric Power Electric Power Fabricated Metals Fabricated Metals Food & Beverage Food & Beverage Machinery Machinery Metals & Mining Metals & Mining Oil & Gas Oil & Gas Pharmaceuticals Pharmaceuticals Pulp & Paper Pulp & Paper Refining Refining Water & WastewaterWater &