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July 6, 2012
7:29, EEST
Rainer Versteeg
Forum Posts: 32
Member Since:
March 21, 2012
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Hello !

Can I change the FMAX and FMIN Value from a TPSFLOAT component. The TPSfloat value get the FMAX value (-1234567,090) when the OPC Server is shutdown.


July 10, 2012
20:05, EEST
Jouni Aro
Forum Posts: 946
Member Since:
December 21, 2011
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Hi Rainer,

No you cannot change the Min and Max property values: they are calculated automatically, if you set StatsMode:=smSimple.

-1234567,09 is PsBadFloatValue provided for the variable properties when the respective PropQuality is bad. However, the quality of Min and Max should not change, when the server is disconnected or shutdown; only Value gets bad quality. The stats are only cleared, if you call ClearStats() yourself.

I could not reproduce your problem with a simple test case. Maybe there is something else that makes this happen in your application?

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