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In this lecture, we explore essential concepts of ladder logic programming, emphasizing input and output terminology. You'll learn about Normally Open (XIC) and Normally Closed (XIO) input configurations, as well as various output types including Full Output (OTE), Latch Output (OTL), and Un-Latch Output (OTU). Additionally, we'll touch on the significance of Proverbs 9:7, reminding us of the dynamics of correction and mockery in learning. By the end of this session, you will have a foundational understanding of the critical components needed for building basic state machines in ladder logic.
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ECT 464 Lecture 3a Ladder Logic
The only fool bigger than the person who knows it all is the person who argues with him. Whoever corrects a mocker invites insult; whoever rebukes a wicked man incurs abuse. Proverbs 9:7
Input Terminology • Normally Open • Examine If Closed (XIC)
Input Terminology • Normally Closed • Examine If Open (XIO)
Output Types • Full Output (OTE) Output Energize
Output Types • Latch Output (OTL) Output Latch
Output Types • Un-Latch Output (OTU) Output Unlatch
Next Class • Basic State Machines • Input/Output Wiring