What is the relay amplitude parameter for the PID Autotuning addon VI?

I don't understand this parameter. I've tried to find a more descriptive help on it, but my searching skills are failing me. Can someone explain this parameter to me? I'm trying to auto tune heater control system where the feedback temperature to the controller is a fluid temperature, so there is a lot of seperation between the heating source and the control feedback transducer. There is also a lot of mass and I'm not happy with the amount of oscillation that I am getting around my setpoints.

Dear all,
Thanks for you people's reply . I really appreciate your helping mentality .
when we go for relay auto tuning using PID controller,we have to Substitute a relay with amplitude d and from the desribing function we get the eqn Ku =4d/pa .
my doubt here how will i obtain d (ie.,relay amplitude)?
In order to analyse this , I first implented simple ON OFF(relay) temperature controller .From that I observed the oscillations getting are asymmetric .In order to get symmetric oscillations, i know that we have to select a suitable value for d ? Is there any theoretical method to find d? I really got stuck in this part . Considering the fact that i want to design completely automatic system , i want my miccrocontroller to find d rather than manually . So it would be very helpful if you give me a solution for this and I will be always indebted to you.
hopefully,
--varun

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What is the problem with addons not installing

We are regularly running into an issue where installing adobe flash player is not installing the browser plugin for both FF and IE. I have used information from a non-english forum post that i forgot to bookmark to try and resolve the problem but can no longer find it. The forum post basically said that sometimes explorer.exe will lock the system32 folder during the install causing it not to copy the browser files.
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Adobe Flash Player Administration Guide for Flash Player | Adobe Developer Connection
If you would like to be notified when security updates are available for Adobe products so that you can push them out to your users in a timely manner, you can sign-up for alerts here:
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Parameter type     Integer
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Modifiable     ALTER SYSTEM
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regards
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http://community.office365.com/en-us/f/154/t/61145.aspx
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Edited by: 969372 on Feb 1, 2013 12:22 PM
Edited by: 969372 on Feb 1, 2013 12:22 PM

Hi,
Why i Got this doubt because I attend interview they were asking different questions like this which My faculty didn't teach
What are the receipt tables?
What is invoice table name?
API Name for conversion
What is external table
What is Pragma
How many types of item available
Mutating error
P2P cycle
is all the above belongs to apps Technical only I asked my faculty he said its functional who is correct faculty or interviewer
Please help me in this regardWhat all you have studied is basics. And in the institutes they only teach you 5% of actual work, Yes only 5%. They can not teach the whole 5 years learning just in few classes.
In real time When you are working as a technical consultant, you get to speak to functional consultants a lot of time for developing reports, customization, creating custom forms.... So thats why the interviewer has asked a mixture of both technical and functional.
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http://docs.oracle.com/cd/B53825_08/current/html/docset.html
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Thanks

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What is the relay amplitude parameter for the PID Autotuning addon VI?

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