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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
  • Normally Open
    • Examine If Closed (XIC)
input terminology1
Input Terminology
  • Normally Closed
    • Examine If Open (XIO)
output types
Output Types
  • Full Output (OTE) Output Energize
output types1
Output Types
  • Latch Output (OTL) Output Latch
output types2
Output Types
  • Un-Latch Output (OTU) Output Unlatch
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Next Class
  • Basic State Machines
  • Input/Output Wiring
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