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Understand Sinking and Sourcing ConceptsUnderstand Sinking and Sourcing Concepts

Choose the right I/O the first time

April 5, 2023

1 Min Read

When choosing the type of input or output module for your PLC system, it is very important to have a solid understanding of sinking and sourcing concepts. Use of these terms occurs frequently in discussion of input or output circuits and it’s important to understand them and make the right choice when selecting them.  

This document includes definitions and general example circuits, diagrams associated with DC circuits, and common terminals and how to use them.

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