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SOLVED

??? on HMI when making an online change

??? on HMI when making an online change

aFouraker
Occasional Contributor

Hello, an applicaiton with WinStudio and L75 shows "???" on the HMI for various pieces of data after an online change. This can only be fixed by a power cycle. Is this a known issue and is there a fix for this? 

1 REPLY 1

HmiGuide
Community Moderator
Community Moderator

There is an option in WinStudio settings "Show ???, when quality is bad". You can disable this, which does not show ??? again. But your problem is not fixed with that. You must find out, what happens with the variables, where the ?? are displayed. Maybe the project is using pointers or variables which get a different address after online change.

 

HmiGuide_1-1707982606124.png

 

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