Learners examine how a PLC Timer-Off instruction is used in the operation of an automotive paint booth.
Series-Parallel Resistance -- Practice Problems
By Patrick Hoppe
In this learning activity you'll practice solving for the total resistance of series-parallel DC circuits.
By Terry Bartelt
This animated lesson shows the operation of timer-on and timer-off delay relays used in ladder circuit operate.
The Relationship of Data File Addresses to I/O Modules
In this animated learning object, students examine the addresses of PLC elements and how they pertain to I/O connections and internal memory files.
Interpreting Engineering Drawings: Title and Revision Blocks
By Glenn Sokolowski
Learners examine the information on a title block and answer questions about that information in an interactive quiz.
By Rosie Bunnow
Learners practice revising poorly written directions by applying criteria for giving directions.
The schematic symbols of logic gates used in digital circuits are shown.
Instructions on how to use and construct a truth table for digital devices are provided.
The Logic Gates
Students read information about basic logic gates including the gates' names, symbols, Boolean expressions, pronunciations, and truth tables. They then complete a matching exercise.
In this learning activity you'll review the operation of an Exclusive-NOR gate by using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.
You'll focus on terminology related to designing a hypothetical program.
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