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Bad Quality and IsGood property problems
November 24, 2015
15:38, EET
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Fransua33
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I have two differents OPC server: one with Siemens and the other with RedLion. When the quality is bad, the TPsVar respond in a different way wich eac server.

With the Siemens, as expected, if the quality is bad the IsGood property is false but with the RedLion if the quality is bad the IsGood property is true so we don’t detect the bad quality of the OPC tag. We appreciate a difference between the servers. The siemens has a quality “Bad; Non specific, Not Limited” and the RedLion “Bad; Last known value; not limited”

Can you explain why with RedLion we can’t detect the bad quality qith the IsGood propeerty of the TPsVar?

November 25, 2015
6:34, EET
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Jouni Aro
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It shouldn’t be like this. Can you verify that you are getting the quality correctly from the server by monitoring the incoming data with the TPsOPCServer.Log?

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