Learners examine how a PLC Timer-Off instruction is used in the operation of an automotive paint booth.
Quick-Return Mechanism Velocity Calculations
By James Bourassa, John Rosz
In this animated and interactive object, learners calculate the maximum velocity of the work stroke and the return stroke.
Inverting Op Amp
By Terry Bartelt
In this interactive object, learners examine the operation of an inverting operational amplifier through formulas, tables, and animated illustrations. A brief quiz completes the activity.
Parallel RC Circuit Practice Problems
In this interactive object, students calculate capacitive reactance, impedance, current, and power in parallel RC circuits.
Excel: Spreadsheet Hints
By Patrick Hoppe
Learners read how to create a spreadsheet to determine the voltage drop across a resistor in an AC circuit. The complex functions explained in other learning objects are used in this example.
Selector Switch Labeling
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.
PLC Timer Instructions
Learners examine the animated Timer-On Delay instruction and the Timer-Off Delay instruction of a PLC timer. A brief quiz completes the activity.
Ladder Logic Schematic Symbol Flashcards
By John Rosz, Terry Fleischman
This interactive object is designed to help learners memorize the schematic symbols used in ladder logic diagrams. Learners quiz themselves using electronic flashcards.
PLC Output Modules
By Terry Bartelt, Terry Fleischman
The learner will understand the operation and configuration of various types of PLC output modules and how they're used.
You'll focus on terminology related to designing a hypothetical program.
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