CODESYS - the IEC 61131-3 automation software

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PostPosted: Thu Jan 23, 2014 4:14 pm 
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Joined: Tue Sep 10, 2013 5:14 pm
Posts: 17
Hi,

When I try to write a variable through script I sometimes get the error:

Error : The OnlineVarRef at position 1 was not created by the OnlineManager.
Parameter name: variables

I can write to this variable many times without an issue then I get this error.

Does anyone know what it means, and how I can resolve it.

I know this is a bit light on details so if any more detail will help let me know and I will add it.


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PostPosted: Fri Jan 24, 2014 10:05 am 
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Frequent User
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Joined: Tue Nov 13, 2012 9:20 am
Posts: 242
Hi.

williamc wrote:
Error : The OnlineVarRef at position 1 was not created by the OnlineManager.
Parameter name: variables

The second expression of your prepared/forced values was not recognized as an object of the Online Manager. This error can only happen if the element is a null reference or an unknown OnlineVarRef implementation. The null reference could be a timing issue.

Is it always the same position in the same order of expressions or a different position but the same expression?

Can you provide more information about your script?

Regards,
Martin

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