Stack Overflow works best with JavaScript enabled. Quirzo Quirzo 2 2 silver badges 7 7 bronze badges. Improving the question-asking experience. Active 1 year ago. This was good information for me as well, upvote from me! More specifically for your case I think this would be interesting: The plan is to be able to compare what is online with a backup stored locally to detect any unplanned code changes made by Service Technician. 
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Improving the question-asking experience.
More specifically for your case I beckhofc this would be interesting: When it's set TRUE, you can stop the program with breakpoints and all outputs will keep their state.
So, as far as I know, you can read the date and time when the application was last updated and compare if it changes.
Is there a way to retrieve the running software using C application? The first thing that comes in my mind is the TwinCAT automation interface. Sign up or log in Sign up using Google.
TX1100 | TwinCAT I/O
When I updated the PLC application, the date changed with both online change and download. Thank you, this looks promising: Post as bechkoff guest Name. I'm resigning as a moderator from all Stack Exchange sites, effective today. Quirzo Quirzo 2 2 silver badges 7 7 bronze badges.
Sign up using Email and Password. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I will mark the answer as accepted if I go for this: Unicorn Meta Zoo 9: Email Required, but never shown.
eXtended Automation Technology – TwinCAT 3 extends the standard automation world
How do we handle problem users? Active 1 year ago. The plan is to be able to compare what is online with a backup stored locally to detect any unplanned code changes made by Service Technician.
It would be enough for me if I could sdi example retrieve a hash code from the PLC and generate hash from a local backup and see if they match. Is there perhaps a better way to detect such changes? From Beckhoff documentation I would get a feeling that it would reset after each reboot " Time at the start of the PLC application " but when I tested it kept the same when rebooting and powering off.
TwinCAT 3 – XA Language Support: C/C++
I should add that the C application will automate the process of checking for unplanned sxk changes and only flag it so that an engineer can approve or reject the changes. Thank you, this might be useful for me. Sign up using Facebook. See the documentation here: Jakob Jakob 3 3 silver badges 11 11 bronze badges.
By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Tdincat of Service. With this you could do a comparison of the local project which you would also open through the automation interface.
Normally all outputs will set to 0, so motors etc. Asked 1 year, 1 month ago. Stack Overflow works best with JavaScript enabled. Ads library does not seem to offer such functionality. This was good information for me as well, upvote from me!
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