Introduction to Plcs
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Hooper (Guilford Technical Community College) describes the components of a programmable logic controller (PLC) and the major logic functions run on PLCs, then explains how to program counters, timers, and sequencers in a manufacturing situation. A few exercises and solutions are provided at the end of the textbook, but no index. Annotation ©2004 Book News, Inc., Portland, OR
1Overview32Hardware133Programming basics234Basic logic295Ladder logic376Counters457Timers558Sequencers619Math functions and analog inputs and outputs71
