How do I set priority of a While Loop in RT in a FP2010?

Sorry about a duplicate post. I could not find my post from last night.
I want to run a vi with 2 while loops in my FP-2010 with different priorities. One is time critical running a PID, the other is low priority for communications with a PC host.
How do I set the priorities?
Thanks,
Chris

Put the two loops in two different VIs. Go to the VI properties and set the priority there under Execution priorities.
In other words, you can set the priority at the VI level and not at the While-loop level. However, if you want this at the loop level, you may want to take a look at the new Timed Loops.
Hope this helps.
-Khalid
Message Edited by Khalid on 12-02-2005 06:31 PM

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Hi all,
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Hi,
I don't see any problems. I suppose that you can get a 2D array of strings from files.
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I have the Priority column open in Thunderbird, but I can't set the priority. How can I do this?

'Tools' > 'Message filters'
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Go to Solution.
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shift register attempt.JPG ‏64 KB
original attempt.JPG ‏42 KB
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I'm taking a stab at this because I'm not exactly sure what you want. But I think it is what I have shown here. You need to use a shift register on your outter while loop as I have shown. Your image where you tried using a shift register shows a misunderstanding of shift registers and how they work though, so I would take a look at these tutorials.
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Attachments:
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How to create a time control for while loop?

Hello all,
I would like to control my while loop's execution time. In other words I want to stop while loop's execution after time (in ms) which is set by user. For example user sets 5 seconds to front panel control and a while loop runs and stops after 5 seconds.
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Best Regards,
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Attachments:
execution time loop.vi ‏6 KB

hi,
see this, may be it will help.
Best luck
Gaurav k
Gaurav k
CLD Certified !!!!!
Do not forget to Mark solution and to give Kudo if problem is solved.
Attachments:
execution time loop.vi ‏9 KB

How can I transfer data between two while loops in parallel

Hello,
I have two while loops in parallel and I want to transfer data from the first to the second loop. The problem isthat data are transfered only when the first loop ends. I tried with queue but it doesn't work. How can I do, preferentially without global variable ?
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I join a very simplified VI's because the real works with PXI, RT, ...
When you run the "secondVI.vi", no data comes in array from the "firstVI.vi".
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How to assign higher priority for labview while running other applications.

HI,
I am performing 2 time critical counter operations. I am using software time due to the hardware limitation of PCI6013(I have tried all other options). My problem is that I get a erractic value when I use mouse, keyboard or change to other application.
I found the following link providing a method to provide maximum priority to labview application.But even regular labview users are asked not to use this application. I am not even a regular LABview user.Is there any precaution that I should take to use this VI. I am in need of such an application very badly. Please Help.
http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RPAGEID=135&HOID=506500000008000000F5880000&UCATEGORY_0=_1
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"Is there any precaution that I should take to use this VI."
Yes many,
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I have talked to you about this challenge of yours in another thread. This is what I recomend.
1) If you can live with your readings being made on only one gear at a time, AND the sample rate being aperiodic, then you MAY be able to use DAQ Occurances and two session. I
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d) When A occurance fires start B.
e) When B fires start A, etc.
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Ben
Ben Rayner
I am currently active on.. MainStream Preppers
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Hello,
Is there a way to set a priority symbol or number or anything of the sort beside a message in mail?
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Dorian

You mean when sending a mail, how do you set priority? Is there a little rectangular box in the lower left-hand corner region of the message header area in your new message window composition window, that has three little horizontal lines and a downward pointing triangle in it? Click on it and select Customize....
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while- loop.GIF ‏6 KB

nichts wrote:
Hello,
How can I do a time with while loop?. I want to read a data in the While- Loop for 1 sec and then go to B .. I added a pic,
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Im trying to underdstand the differences in the
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I have a busniess process ,and my receive step is defined in a while loop.
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Yeah I understand we can go with fork but why I am going with this is ,I have already designed a Payload dependent loop ,by using while loop.so it makes my job simple ...
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While Loop Help...I think

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Thanks in advance.
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Go to Solution.
Attachments:
Untitled 1.vi ‏12 KB

That looks like it would do what you want it to do. I have two observations that may improve your design.
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While Loop Coding

I have code where I am using a "while" statement. As long as the User presses the number 1 on the keyboard, the program loops back to the start, which is perfect, that is what I want. If a User press the number 0 on the keyboard, the program should stop and ... this is the part of the "while loop" that I don't understand how to code. Below is the "While Loop" that I have, as well as the ending line.
public static void main(String[] args)
String another ="1";
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...at the bottom after the System.out.Prinln() I have the following line of code:
another = Console.readString("To place another order press(1). Press 0 to quit? ");
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Help and thanks.

>
public static void main(String[] args)
String another ="1";
while (another.equals("1"))
.....NOW WHAT?......AS YOU CAN SEE, MY LOOP IS
INCOMPLETE. I DON'T KNOW HOW TO CODE THE 0 PORTION.
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another = Console.readString("To place another order
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Of course, the number 1 works but the 0 doesn't.
You're right in principal. You don't have to do anything about checking 0, though it might be a good idea. So I reckon there's a syntax problem with the bit we're not seeing.
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Incidentally a loop that runs at least once is better coded using the do .. while construct.
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How do I set while loop priority in an RT Field Point application?

I have a vi that I want to run in an FP2010 that contains 2 while loops, one must be Time Critical priority and the other Normal or lower priority. I will be using RT FIFO to transfer data between the two loops. The Normal loop will be used for communication with a Host PC.
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I am using V6.1 and the customer does not want to spend on upgrading.
Thanks,
Chris

Chris,
You are on the right track using two separate VIs with different priorities and using RT FIFOs to communicate between the two. Please see the following tutorial and the related links, one link of which is an example with a zip file containing the RT FIFO VIs for LabVIEW 6.1.
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How do I set priority of a While Loop in RT in a FP2010?

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