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Please suggest cohen coon tuning VI, calculation error

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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_Help_doc.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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Solution
Accepted by topic author MMS79

Looks like a bug - the Divide after the 'a' should actually be a multiply. Then the results match.

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