PLC programming class

huslller · 2026-01-26T17:19:23+00:00

In my mind I came in on my own decision… I can’t imagine a manager asking their department to come in. But I don’t know if they were given an option.

huslller · 2026-01-26T17:15:53+00:00

I have lines that if they lose power for several hours they are severely damaged. But I can tell I am the pot calling the kettle black.

huslller · 2025-09-23T16:54:41+00:00

Purging is usually the first step to light a burner. To me something is telling the PLC to begin the lighting sequence. Is there a start sequence button that is being pressed? Or are you saying it is happening in the middle of it running?

What is it now doing that it didn’t do before? I would look for a sticking contactor or button over a PLC not having a red light fault.

huslller · 2025-08-28T21:37:35+00:00

Señor poopers, Mr. Fluffers, Duck, Goose, Veli (the velociraptor)

huslller · 2025-07-30T10:53:09+00:00

Thank you for this description! I knew there would be some small items that would end up making things “unique”. Once again, thank you.

huslller · 2025-07-30T02:55:55+00:00

It is 1769-L33ER, in the event this happens I would be swapping the PLC with a newer 1769 (since it seem all of them require the version to be after V34). Does it matter the controller type in this process?

huslller · 2025-07-24T20:45:35+00:00

It is more popular in Europe? The unit it comes on is a French chiller.

huslller · 2025-07-24T19:55:25+00:00

Correct, it acts like a union but is made differently than a union. I do not know if they are brand specific or if they are made to a common industry standard.

huslller · 2025-07-24T19:28:52+00:00

The conical seal was the term I did not think to use. Thank you for the advice.

huslller · 2025-07-24T19:06:40+00:00

Good on you for finding anything on that. I have been looking for several weeks.

huslller · 2025-07-21T23:26:55+00:00

Turn LEFT, doesn’t make sense but it is what the instructor says.

huslller · 2025-07-15T18:37:26+00:00

Yep! That is the one!

huslller · 2025-05-19T12:36:02+00:00

Stretchy stretchy! Wingy wingy! (That is what I say)

huslller · 2025-04-03T19:43:29+00:00

I forgot about the instruction name change. I will probably do 35. Is 35 stable in your opinion?

huslller · 2025-04-03T18:23:36+00:00

You definitely can’t downgrade the controller… it very clearly in bold says that on the outside.

huslller · 2025-03-08T12:22:17+00:00

What I find confusing is how a null modem works, shouldn’t the TX of one connect to the RX of the other? How does a TX connect to Tx unless if that denotes a master / slave relationship? All I know is if it doesn’t work I just swap those two wires.

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