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Lecturer Ph.D Truong Dinh Chau, Department of Automatic Control, Faculty of Electrical – Electronics Engineering, HCM. City University of Technology tdchau@hcmut.edu.vn 091. 543-74-40 Industry Automation Outcome 10 FLOWCHART BASED DESIGN • Describing process control using flowcharts • Conversion of flowcharts to ladder logic Topics: • Be able to describe a process with a flowchart. • Be able to convert a flowchart to ladder logic. Objectives: Symbols Terminator Process Decision Document Data Predefined process Loop limit Stored dataParallel mode On-page reference Off-page reference Understanding Understanding Understanding Understanding Understanding Convert the Diagram to Ladder Logic algorithm START Reset all values off start button pushed? Open inlet valve Close outlet valve Is tank full? stop button pushed? Open outlet valve Close inlet valve no no yes yes no yes Step 1: Draw a Flow Chart START Reset all values off start button pushed? Open inlet valve Close outlet valve Is tank full? stop button pushed? Open outlet valve Close inlet valve no no yes yes no yes F1 F2 F3 F4 F5 F6 Step 2: Label Boxes