By Terry Bartelt
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In this animated object, learners examine the method of interpreting the truth tables for two-position and three-position selector switches on ladder logic circuit diagrams.
In this animated object, learners examine how PLC up/down-counters are used to control an automated parking lot gate.
Learners examine the animated Timer-On Delay instruction and the Timer-Off Delay instruction of a PLC timer. A brief quiz completes the activity.