How to stop my 1553 Remote terminal application from locking up the Front Panel when the Bus Controller application is causing msgs traffic over the 1553 bus. This simulation uses WIN98SE with excalibur ISA cards.

This simulation has several transmit and receive messages. The fastest message refresh rate is set to 50Hz (20 ms).

Hi,
Can you provide some more information about what hardware and software you are using? What is your application? Thanks!
JenK

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How to see the full program on the front panel when it is running?

Hi, my program is really big, and when I run it and obverserve the program on the front panel, I cannot drag the window to see the other parts. Also, I tried the method like hold control, then press + to zoom in or press - to zoom out. However, labview seems doesnt have this function. Does anyone know how I can see the full program then it is running, maybe zoom out or drag the windows? thanks!
Attachments:
not running.png ‏85 KB
running.png ‏72 KB

You should use a Tab control. Group your front panel objects together and put the grouped items in tabs. Then you can select the Tab you want to display while the program is running.
It is never a good idea to make your screen too big to fit on one display. This goes for the block diagram also. If you have to scroll to see it all, use more subvi's. Make it modular. A state machine is a good way to put a lot of code on one display screen.
- tbob
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How to show the front panel when launching VI with Call by reference node??

Hello!
I just wonder how I make the front panel visible during execution when I launch the VI with CALL BY REFERENCE NODE.
Se example.
Could u also show me how to change different properties (window size ..) of the front panel??? (launched with CALL BY REFERENCE NODE)
Thank you!
Attachments:
test.vi ‏18 KB

In VI Properties>>Window Apperance>>Customize you can check "Show front panel when called". This will open the front panel on each call. It doesn't matter how the call was initiated.
You can set a lot of Front panel properties during runtime. Place a Property Node in the block diagram. Change the class from App to VI. Under properties select Front Panel window>>Panel bounds to set the position and size of the front panel.
Waldemar
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How to stop a while loop in LabVIEW from a C program

How to stop a while loop in LabVIEW from a C code

hi
I think by creating dll you can stop the while loop from your C program.For that you just create dll (Dynamic Link Library) for the VI which has that while loop.
Anyway can u please explain ur requirement clearly.

How to stop non statistical condition type value from updating total amount

Gurus,
Can any body explain me how to do following setting,
How to Stop non statistical condition type value from updating Total Amount
Regards,
Sai

Dear Sai,
You need to make that condition type as Statistical one
Go to SPRO - Sales and Distr. - Basic Functions - Pricing - Define and Assign Pricing Proc - Maintain Pricing Proc - Control Date
Select the proc. - select the condition type and activate the check box Statistical
This will show the amount of the condition but will not consider for the net value calculation
Hope this will help you
regards,
Sagar

How do I input data to a table on the front panel and stop the program immediately as button is pressed?

What should I do if I want to display on the front panel in real time the values from Polarizer #, P1, P2 and the last calculated value (P2/P1 * 100) called T% in a table or some graphical representation like that? What would I have to do? It could just be Polarizer # and T% if that would be simpler. I just want to let the user know the values in a list, spreadsheet or table as they go. One last thing is that I would like to be able to stop the program at any point in time as soon as the stop button is pressed. As of now, when the button is pressed it goes through the iteration currently in progress and then one afterwards. I want the program to end as soon as the stop button is pressed no matter what sequence it is. What can I do to achieve this? Could you give me an example or modify my program to show me this.
Thanks,
Steve
Stephen Coward
Northrop Grumman
[email protected]
Attachments:
EPM2000 almost done.vi ‏50 KB

Put a single frame sequence structure around your stop button and then wire from the error cluster going into the error handler to the edge of the sequence structure. Now your code will stop at the end of the current iteration. To see why this works, watch you code execute with execution highlighting turned on and review the section of the manual talking about "Dataflow".
Mike...
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Certified LabVIEW Architect
LabVIEW Champion
"... after all, He's not a tame lion..."
Be thinking ahead and mark your dance card for NI Week 2015 now: TS 6139 - Object Oriented First Steps

How do I get the Label for a Front Panel Control to appear in the Block Diagram but not on the Front Panel?

How do I get the Label for a Front Panel Control to appear in the Block Diagram but not on the Front Panel? On the Front Panel I am making a complex control that consists of a Slider and a Numerical Input box. Both Controls display the same information and either can be used for Input. When one changs, the other is made to display the same value.
But I only want the Slider to display the Label on the Front Panel, to avoid confusion. On the Block Diagram however, I want both controls to display their Labels so that I know what they are. How do I display the Label for a Control on the Block diagram, but not display its Label on the Front Panel?

No. The Label Visible property is separate for the front panel control label and the block diagram terminal label.
How did you start out with the block diagram's label not being visible? Whenever I drop a control or indicator, the label is always visible on both the FP and BD by default. Maybe there is a LabVIEW option that causes new controls/indicators not to have their labels visible by default, but I have yet to find it. I don't think an item should ever be dropped without the label visible, good LabVIEW coding practice demands that the labels for control terminals on the block diagram be visible so that you know what control or indicator a wire is going to.
That being said, I have seen a lot of VI's posted where the label for the terminal on the BD is not shown (against good programming practice.) I've gone to the BD and right clicked to show the label. Sometimes, the people have an empty label (which will turn off the visibility for both the FP and BD) and I'm forced to add some text of my own into the label so I can figure out what their code is doing. When I add some text to the label, at that time, I find both the BD and FP labels become visible.
Are you dealing with controls that have empty labels to start?
Good programming practices:
1. Always have a name for all of your controls, never use and empty label by deleting the text in the label.
2. Make the labels unique. For example, don't have two controls both called Stop. How do you know quickly know which terminal relates to which control?
3. Always show the labels on the block diagram, so you know the function of a control's terminal. If you want to hide the label on the FP, that's okay.
4. If you want a different label to appear on the FP than whatever you actually called the control, then use the caption. You can hide the label and show the caption. This is useful if you need to programmatically change what the "label" is on the front panel such if you are making an application that needs to change its user interface such as for a foreign language.

How can I display the front panel of the dinamically loaded VI on the cliente computer, the VI dinamically loaded contains files, I want to see the files that the server machine has, in the client machine

I can successfully view and control a VI remotly. However, the remote VI dinamically loads another VI, this VI loaded dinamically is a VI that allows open others VIs, I want to see the files that contains the server machine, in the client machine, but the front panel of the dinamic VI appears only on the server and not on the client, How can I display the fron panel with the files of the server machine of the dinamically loaded VI on the client computer?
Attachments:
micliente.llb ‏183 KB
miservidor.llb ‏186 KB
rdsubvis.llb ‏214 KB

I down loaded your files but could use some instructions on what needs run.
It seems that you are so close yet so far. You need to get the data on the server machine over to the client. I generally do this by doing a call by reference (on the client machine) of a VI that is served by the server. THe VI that executes on the server should pass the data you want to diplay via one of its output terminals. You can simply wire from this terminal (back on the client again) to an indicator of your choosing.
Now theorectically, I do not think that there is anything that prevents use from getting the control refnum of the actual indicator (on the server) of the indicator that has the data, and read its "Value" using a property node. I have never tried this idea but it seems t
hat all of the parts are there. You will need to know the name of the VI that holds the data as well as the indicator's name. You will also have to serve all VI's. This is not a good idea.
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
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How can I display a changing variable in a subvi on the front panel of the main vi as the subvi is excuting

In the document attached the vi on the right is sub to the vi on the left. On the subvi on the right the variable "Field Reading" is continuously updated on the front panel of the subvi as the "for" loop is executed, but only the last value of the variable is updated on the main vi front panel which is what is expected. My question is how can I display the changing value of "Field Reading" on the main vi front panel as the "for" loop in the subvi is running?
Thank you.
Solved!
Go to Solution.
Attachments:
Doc2.docx ‏554 KB

Hopefully I can explain it well enough. It really is simple.
1) Create an empty global variable and call it something like User Interface References.vi
2) For each and every control and indicator on your front panel, right-click and select Create/Reference
3) Place these references wherever you like (I use a series of Event cases to perform my initialisation and these all live in one of these event cases). They can be placed anywhere in the main vi.
4) For each of the references, right-click and select Create/Indicator
5) Moving to the front panel, Cut all the indicators and Paste them in the global variable (eg. User Interface References.vi)
6) Moving back to the block diagram, wire the global variable to each of the references and select the same named global variable.
All the hard work is now done (until you add another user interface terminal). You should now have something that look as shown below, [except the reference labels would be to the left (not sure why the snippet put them above)]. In my latest program I have 82 references!
Done. You can now access all your front panel controls and indicators anywhere in your program as shown below.
You can just select Value in most cases, but in this particular case I wanted to fire off an Event to do some things (log the alarm) as well as just update the value. So, this is another bonus with the method.
Hopefully this all makes sense. If not, let me know.

How can i print an excel spreadsheet file by clicking a button on the front panel

i have designed a vi that logs data into an excel spreadsheet. i want to take print out of the file when the user clicks a button on the front panel. what to do if there is very large amount of data.

Preet,
Printing the Excel sheet is just an ActiveX method call to print the worksheet. To add data to the worksheet, you already have the reference, just call a print method. As for handling large amounts of data, that is a vague question. The data will print how ever you placed it on the worksheet. If what you mean is that you don't want to print out 25 pages every time, the print method has options to only print specific pages or ranges. You may want to play around with a sample spreadsheet to learn the printing options. For help on the ActiveX functions, make sure you have the Visual Basic help installed for Excel.
Randy Hoskin
Applications Engineer
National Instruments
http://www.ni.com/ask

HT2589 Someone is using itunes with my credit card without permission and I want my card number removed. Ive been trying to get this fixed for months. Im at the end of my paitience.

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Virginia Mezger
<Personal Information Edited by Host>

Please be aware that you are not communicating with Apple when you post in these forums. The only people who will reply to your posts are we your fellow users.
Since you don't say what resources and methods you've been attempting to get this matter resolved, it's difficult to offer suggestions. But if your credit card has been used without your permission, your primary recourse should be to your credit card company to report the unauthorized charges and have them issue you a new credit card. If your card has been compromised such as to make unauthorized charges on the iTunes Store, it's highly probably that it can be used elsewhere.
As to removing the card number from your iTunes Store account, see:
http://support.apple.com/kb/HT1918
You should be able to change or remove the card information there. If not, go here:
iTunes Support
and follow the instructions to report the issue to the iTunes Store, if you have not done so already. If you have, please post back with a summary of what they told you and perhaps someone can offer additional suggestions as to how to proceed.
Regards.
Regards.

How can I hide the main front panel when I run from the executable?

Hopefully this is an easy question. I have an application where the front panel is not the main GUI and I would like to hide it when the program runs, but only when it runs from the executable. How can I do this?

NIquist wrote:
Yeah, don't do that. Executables built in LV require at least one front panel to be open. If it isn't, the run-time engine automatically closes the executable. I haven't checked recently, but I assume this is still the case.
Instead, you can set the FP state to minimized (as suggested earlier) or (better) to hidden.
P.S. one side point - the property and invoke nodes have a shortcut - if you use the Application or VI classes and don't connect a reference, they default to the current app or VI. That means you don't have to open the reference.
Try to take over the world!

How to: display large error note in the front panel?

hi guys,
When "error out" has an error, I would like to display HUGE RED TEXT in the FRONT PANEL saying: "STOP, ERROR DETECTED!" )
How to do that?
Thanks for your help.
Solved!
Go to Solution.

Place an indicator on the panel. Set the text to HUGE and RED, and set its value to "STOP, ERROR DETECTED!". Make it not visible. When you get an error, use the "Visible" property node to display it.
To learn more about LabVIEW it is recommended that you go through the tutorial(s) and look over the material in the NI Developer Zone's Learning Center which provides links to other materials and other tutorials. You can also take the online courses for free.

Leaving the front panel displayed on a subpanel after stopping

I have a tab control.
Each tab control has a subpanel.
Each subpanel has a static vi reference attached to it for launching.
I would like the image of the front panel displayed in the subpanel after the program has finished running so that any information that was displayed is still present.
Is there a way to retain all the settings between run's?
-Regards
eximo
UofL Bioengineering M.S.
Neuronetrix
"I had rather be right than be president" -Henry Clay
Attachments:
NeuroNetriX TestSet.vi ‏12 KB

When you say settings, do you mean controls? If so, you can right click on them and select Data Operations >> Make Current Value Default. That will keep the settings initialized how ever you set them up.
I believe you can use use the Get Front Panel Image VI Method node, similar to the way to run the VI. You can create one by right clicking on the VI reference wire and selecting Method for VI Class >> Front Panel >> Get Image.
I've attached a code snippet of the node. If you want you can just drag the file into your block diagram and it should turn into code.
Applications Engineer
National Instruments
CLD Certified

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How to stop my 1553 Remote terminal application from locking up the Front Panel when the Bus Controller application is causing msgs traffic over the 1553 bus. This simulation uses WIN98SE with excalibur ISA cards.

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