PLC Wiring Schematics

Learn how to read and understand PLC wiring schematics and diagrams, focusing on discrete sinking inputs and sourcing outputs for effective troubleshooting.

Last updated November 18, 2024
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About the video

This lesson provides an overview of how to read and understand PLC wiring schematics and diagrams. You’ll learn about discrete sinking input modules, which have the input device on the positive side and the input module on the negative side of the circuit. The video also covers discrete sourcing output modules, where the module provides a source of voltage to the outputs. Examples include push buttons, control relays, and their terminal connections. Additionally, the lesson explains the differences between PLC schematics and wiring diagrams, emphasizing how each type of drawing is used for troubleshooting and ensuring proper connections. By mastering these skills, you’ll be equipped to handle real-world PLC wiring tasks effectively. To get started, go to the Lesson Content tab and click on the video.

About the quiz

Each lesson contains a video, and is followed up with a simple quiz. Quizzes review information discussed within the video, with each question providing an answer justification. Helping to reinforce correct answers and helps clarify any mistakes through code citations, excerpts, and explanations, so you can better understand the material.

Charges

Charges are rewards you earn for engaging in our learning system. You receive charges for completing both the video and the quiz in each lesson. The amount of charges available for each lesson is displayed in the “Lesson Features” box on the right. The charges you earn are based on the time it takes you to complete the lesson, which is also indicated in “Lesson Features.”


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