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Automation Fundamentals

Foundation · Lesson 02 of 8

PLC Thinking

Inputs, outputs, latches, timers, counters, interlocks, alarms, and sequence structure.

PLC Logic From Inputs to Sequence Video available to enrolled trainees after login

Study notes

  1. Build a PLC mental model around inputs, outputs, memory bits, timers, counters, and alarms.
  2. Understand how interlocks protect machines and how sequences move from one step to another.
  3. Practice reading logic as a machine story instead of only as symbols on a screen.