Solving Homework: Understanding I/O Designation Charts

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The discussion focuses on understanding I/O designation charts in relation to a homework assignment. A user seeks clarification on the concept, as it was not covered in their study notes. Another participant provides a link to a resource on ladder logic and I/O charts, suggesting it may be relevant to the homework. There is a correction regarding a mislabeled component in the user's attempt, with a request for a re-link to the resource. The user expresses gratitude and indicates they will continue working on the assignment after confirming their understanding.
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Homework Statement


Uploaded as image 1 I will show my workings for 2 if 1 are in the right direction
I also don't understand what is meant as I/O Designation charts (nowhere in my study notes)

Homework Equations


None

The Attempt at a Solution


Uploaded as image 2 is my attempt.
 

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1) Here is a link to some simple ladder logic with I/O charts. I expect this is what you are being asked for.
https://www.allaboutcircuits.com/textbook/digital/chpt-6/digital-logic-functions/
2) In you attempt, it appears you have mislabeled IND3. It looks like another IND2 to me.
 
.Scott said:
1) Here is a link to some simple ladder logic with I/O charts. I expect this is what you are being asked for.
2) In you attempt, it appears you have mislabeled IND3. It looks like another IND2 to me.
Yeah you are correct, i meant IND 3 for rung 5 (N/O contactor 3/2). Also could you relink it, nothing there :) thanks!
 
I added the missing link to my original response.
 
.Scott said:
I added the missing link to my original response.
Thank you, if No.1 is looking okay, i'll plod onto number 2 and get the rest answered for confirmation, thank you scott :)
 

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