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Project file to bitfile corruption
Topic Started: Jan 17 2018, 11:09 AM (5 Views)
Michael Morin
Newbie
Hello,

I have a "good" bitfile that when deployed to the target allows us to meet our system requirements in position error and settling time. Unfortunately there are other known issues with this build that need to be fixed before we can hand over the system. The problem I have run into however is that every attempt to rebuild this project, even without any changes made to the environment or VI's, results in a build that has drastically higher position error. At this point I also question whether the project that was used to generate the original "good" build is actually correct, or if a different project had been used; several duplicate projects were created at around the same date as the "good" build so it is hard to know. In any event attempts to rebuild any of those files without changes still does not get us the original performance.

Backups were created of the drive that housed these files, but unfortunately these were manually done and did not occur near to the time of the "good" build (6 months prior, 6 months after). To my knowledge there have been no updates to LabView that were installed, in part because we had been having so many issues that I'm sure they didn't want to create other unknowns during development. So we are still running LabView (version 14.0f1), and are building on NI 9155 chassis, I can list the modules installed as well if that would be of value.

Is there any way that I can determine the project file from the bitfile? Are there environmental things that could have changed, and if so how can I check? Any other thoughts? We're really in a jam on this one, and I'd appreciate any ideas and assistance.

Please Help.

Thanks !

I didn't find the right solution from the internet.

References:

https://forums.ni.com/t5/LabVIEW/Project-file-to-bitfile-corruption/td-p/3333039

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