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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).

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Ect 464

ECT 464

Lecture 3a

Ladder Logic


The only fool bigger than the person who knows it all is the person who argues with him
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
Input Terminology person who argues with him.

  • Normally Open

    • Examine If Closed (XIC)


Input terminology1
Input Terminology person who argues with him.

  • Normally Closed

    • Examine If Open (XIO)


Output types
Output Types person who argues with him.

  • Full Output (OTE) Output Energize


Output types1
Output Types person who argues with him.

  • Latch Output (OTL) Output Latch


Output types2
Output Types person who argues with him.

  • Un-Latch Output (OTU) Output Unlatch


Next class
Next Class person who argues with him.

  • Basic State Machines

  • Input/Output Wiring


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