Automating Manufacturing Systems - Process Control and ...

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7.5 ASSIGNMENT PROBLEMS 7.17
8. PLC OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.1
8.1 INTRODUCTION 8.1
8.2 OPERATION SEQUENCE 8.3
8.2.1 The Input and Output Scans 8.4
8.2.2 The Logic Scan 8.4
8.3 PLC STATUS 8.6
8.4 MEMORY TYPES 8.6
8.5 SOFTWARE BASED PLCS 8.7
8.6 SUMMARY 8.7
8.7 PRACTICE PROBLEMS 8.8
8.8 PRACTICE PROBLEM SOLUTIONS 8.8
8.9 ASSIGNMENT PROBLEMS 8.9
9. LATCHES, TIMERS, COUNTERS AND MORE . . . . . . . . . . . . 9.1
9.1 INTRODUCTION 9.1
9.2 LATCHES 9.2
9.3 TIMERS 9.6
9.4 COUNTERS 9.14
9.5 MASTER CONTROL RELAYS (MCRs) 9.17
9.6 INTERNAL BITS 9.19
9.7 DESIGN CASES 9.20
9.7.1 Basic Counters And Timers 9.20
9.7.2 More Timers And Counters 9.21
9.7.3 Deadman Switch 9.22
9.7.4 Conveyor 9.23
9.7.5 Accept/Reject Sorting 9.24
9.7.6 Shear Press 9.26
9.8 SUMMARY 9.27
9.9 PRACTICE PROBLEMS 9.28
9.10 PRACTICE PROBLEM SOLUTIONS 9.32
9.11 ASSIGNMENT PROBLEMS 9.43
10. STRUCTURED LOGIC DESIGN . . . . . . . . . . . . . . . . . . . . . . . 10.1
10.1 INTRODUCTION 10.1
10.2 PROCESS SEQUENCE BITS 10.2
10.3 TIMING DIAGRAMS 10.6
10.4 DESIGN CASES 10.9
10.5 SUMMARY 10.9
10.6 PRACTICE PROBLEMS 10.9
10.7 PRACTICE PROBLEM SOLUTIONS 10.10
10.8 ASSIGNMENT PROBLEMS 10.14
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