Programmable Logic Controllers
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This is the introduction to PLCs for which baffled students, technicians and managers have been waiting. In this straightforward guide Bill Bolton has kept the maths to a minimum, avoided detailed programming instructions and presented the subject in a way that is not device-specific. Having read this book you should be able to: Identify the main design characteristics and internal architecture of PLCs Describe and identify the characteristics of commonly used input and output devices Explain the processing of inputs and outputs by PLCs Describe communication links involved with control systems Develop ladder programs for the logic functions AND, OR, NOR, NAND, NOT and XOR Develop ladder programs involving internal relays, timers, counters, shift registers, sequencers and data handling Identify methods used for testing and debugging Melanie Martella, December 2006 - "If you're looking for a good introduction to PLCs or you haven't worked with them for a while and need to brush up, then this is the book for you."
Preface1Programmable logic controllers2Input-output devices3Input/output processing4Programming5Internal relays6Timers7Counters8Shift registers9Data handling10Designing programs11Testing and debuggingApp. ANumber systemsProblemsApp. BLogic gatesApp. CAn example of an industrial programAnswersIndex
