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Spotted by Alicia Lomas!  Alicia runs Lomas Manufacturing Consulting. 

It doesn't look like much but a lot of equipment was built here 

I was trying to read my flow meter value across a network.  My current flow is 102.9 but the right section shows what I read.

What happened to my number?

Due to some wiSECracks in my last PLC quiz, I'm going to stay quiet on this one until someone gives the correct answer.

If you reply disappears, it means that it wasn't constructive.

To make this one more fun, the first person 100% prove the answer will get year's access to our Online PLC Programming Courses.

Good luck! 

These aren't your AI generated action figures...with Amber Wilborne 

My control panel is overheating.  I have three temperature sensors in it, all show below.  In order for the machine to run, the top has to be closed.  I can't run the fan except when the machine is not running.  Which temperature sensor do you use and how do you program it? 

Roast away...

Several people were wanting to roast me on my last post because there is never a situation that someone would be troubleshooting a machine that wasn't properly labeled along with perfect wiring diagrams and access to every user manual on the planet at a moments notice...this post is for you. 

You don't have access the the manuals.  How do you figure out if your PLC's inputs and outputs are sinking or sourcing? 

Is it a thru beam or a through beam? 

Can you guess what this is?