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Please suggest cohen coon tuning VI, calculation error

Hi,
I am using, cohen-coon tuning vi (Ready block in example-Autotune
PID offline), and refering the Tuning formulae as shown below for PI Controller.
Proportional value has error, where as Integral is fine.

CC_tuning formula.png

 

Manual calculation for gain are as follows,

CC tuning calculation.png

but am geting gain reading such as 0.00454352, why such kind of error?

L_CC_Tuning formulae.png

 

Attached cohen-coon tuning vi for reference, how to check expression from express mode
Please suggest
Regards

MMS79

Regards
mms79
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...this is the forum for LabWindows/CVI... you should post your question in the appropriate LabVIEW board Smiley Wink

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Thanks for reply,

Is there any option to move the discussion to labview board.

Regards

mms79

Regards
mms79
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You could try using Options / Report to a Moderator. 

 

...but since you already posted a copy there I doubt...

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