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Programmable Controllers: Theory and Implementation

Programmable Controllers: Theory and Implementation

Programmable Controllers: Theory and Implementation

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Introduction to PLCProgramming <strong>and</strong><strong>Implementation</strong>—from relay logic toPLC logicHe that invents a machine augmentsthe power of man <strong>and</strong> the well-beingof mankind.—Henry Ward BeecherKey TermsControl strategy—thesequence of steps that mustoccur during a process orPLC program to produce thedesired output control.Control task—the desiredresults of a control program.Flowcharting—a method ofpictorially representing theoperation of a process in asequential manner.Program coding—theprocess of translating a logicor relay diagram into PLCladder program form.Industrial Text & Video Company www.industrialtext.com 1-800-752-8398

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