Recent Posts

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71
General controls / Re: Study files
« Last post by Rem on April 16, 2026, 07:52:18 AM »
Hello TOR,
Thank you for your response and for taking the time to look into this.
That works for me, and I’m open to implementing this solution, which seems like a good idea.

Have a nice day
72
General controls / Re: Study files
« Last post by Tor on April 16, 2026, 07:23:36 AM »
Hi Rem,

Good that you found a solution to your question.

Regarding HWDs that support UDS?
When the Cyber Resilience Act (CRA) is kicking in at the end of 2027 all Danfoss products will have UDS support.   As far as I know no released product support UDS yet.
I was hoping to find some kind of plan/timeline to when different hardware will be updated, but no luck.  I believe this is hidden deep down within the developer groups.

This is unfortunately the best answer I have for you at this time.

Have a nice day.

73
General controls / Re: Study files
« Last post by Rem on April 15, 2026, 01:55:47 PM »
Hello,
While browsing the help section and the latest updates, I saw that the new Toolkey features with Plus1 UDS can be used to do this kind of thing.
However, this is only available for projects with compatible hardware.
Do you know when this hardware will be available?
Thank you
74
General controls / Study files
« Last post by Rem on April 14, 2026, 01:49:19 PM »
Hello,
I'm looking to disable the functions of a p1d file so I can send it to a student without them being able to download the lhx file or copy the program.
I thought about sending them an scs file, but since it's a screen, they won't be able to view the user views.

Is there a solution?

Thank you.
Have a nice day
75
License / Re: The whole lisencing structure of Danfoss is plain out stupid.
« Last post by samuelhj on April 01, 2026, 10:59:06 PM »
Yeah can do that but I do use function blocks, and this renewal process is stupid. Thankfully it seems to be changing for the better and I have contacted a company in Denmark that might help me get this resolved, thanks to Tor's suggestions that he emailed me. Just very infuriating having to wait months for something like this, putting projects on hold.
76
Code sharing / Re: Danfoss Plus+1 Structured Text Coding Engineer ChatGPT
« Last post by Lukey on April 01, 2026, 02:11:23 AM »
I use it heavily when dealing with math/equations and real numbers (two reasons because my math isn't great and guide doesn't handle real numbers)
I've also use it extensively for creating CAN message buffers/FIFOs.

Modify existing or optimizing code it is very useful.

It's also been able to convert existing guide screen shots or .scs files into ST code.

I update the LLM as I go when i find limitations of GUIDE.
For example, using words like DATA and OVERFLOW in ST will cause an error on compilation as those works clash with the C code complier.
77
Code sharing / Re: Danfoss Plus+1 Structured Text Coding Engineer ChatGPT
« Last post by Matt on March 31, 2026, 02:59:17 PM »
Thanks for sharing! I've been doing some similar LLM experimentation by writing some skills to read/write the PLUS+1 GUIDE PLCopenXML files directly in order to avoid having to copy/paste between the LLM. In the absence of official MCP support, this is the closest I've gotten to something that truly ends up saving time because it enables refactoring in a way that the PLUS+1 IDE does not. I don't have enough confidence in it yet to share it, but thought I'd mention that it's possible and am curious if you tried going this route.

One thing I found is that LLMs seem to have a rough time understanding the cyclical nature of PLC programming, especially related to timers.

There is a similar thread over on PLC Talk that I've been following. It is an interesting read related to this topic: https://www.plctalk.net/forums/threads/does-anyone-here-use-ai-to-help-write-structured-text-codesys-beckhoff.148970/
78
Code sharing / Re: Danfoss Plus+1 Structured Text Coding Engineer ChatGPT
« Last post by Rem on March 31, 2026, 10:19:30 AM »
Hello Lukey,
Have you run any tests?
For creating functions?
For modifying the program?
For optimization?

Thank you.  ;)
79
Code sharing / Danfoss Plus+1 Structured Text Coding Engineer ChatGPT
« Last post by Lukey on March 31, 2026, 02:32:42 AM »
I created my own GPT to assist with Danfoss Plus+1 Structured Text Coding.

https://chatgpt.com/g/g-691157e9088881919df7f8883d9827f9-danfoss-plus-1-structured-text-coding-engineer

I've uploaded all the manuals and have worked out some of the nuances of ST in Guide that don't align to IEC 61131-3 language. (limitations and syntax's)

If you have any feedback or find any holes that need to be fixed please let me know so i can update the LLM.
80
License / Re: The whole lisencing structure of Danfoss is plain out stupid.
« Last post by BRIan on March 31, 2026, 12:04:41 AM »
When I've been in trouble in the past, I just got a trial licence. It gives you 30 days for them to get their act together.
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