By default, Labview 8.6 places conventional controls on the front panel; Is it possible to change the default settings to modern or Express possible?...

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• LabVIEW support 3 error code: could not load front panel

  Hello

  my colleague has a problem after the update to LV2011 (from 2010) and now get: LabVIEW support error code 3: could not load front panel

  Even on my system (also tried a massive compilation)

  

  He's afraid of losing some of his works.

  Zipped file is attached

  Hi Henrik,

  It should work now.

  Instructions to fix a corrupted in 2011 VI or more:

  1. close LabVIEW

  2. Add connPaneRecoveryMode = true to the file LabVIEW.ini (-the file LabVIEW.ini is located in the folder of National Instruments > LabVIEW 2011 > LabVIEW.ini)

  3. open the VI corrupt.

  4. press CTRL + A on the block diagram and the copy / paste to a new VI.

  5. save the new VI.

  6. close LabVIEW and remove the token of the ini (VERY IMPORTANT)

  7 restart LabVIEW and load the new VI and check that it is correct. Save

  Cheers, RMathews

• is it possible to put in place a control of the event in labview to create a string indicator when you press a button

  I'm trying to implement a user interface where an operator can set the column headers for a report and I use indicators of the string as the placement for the text in the column headers.  Given that many of them will have experience with Labview, I was hoping to set a button with the ability to add or possible delete a string indicator when you press.  Is it possible to set up an event like this?

  You cannot create an indicator of the string, but you can change the visibility of the existing volumes.

  For example, you can display an indicator of the string, giving the impression that his creating.

  /Y

• Placement of control on the subform by using scripts

  I have a form where I would have a subform that is hidden while the user enters data and then reveal during printing.  What can I do (just toggle the presence during the pre/post print script areas).

  When the document is printed, I would also like to control paging of the subform to force it to the top of the next page - but only when printing.  If I do this by using the object palette... Paging... Place (top of page), it works, but it creates a gap when the user fills out the form on-screen.  I want to control this property with the scripts for "prePrint" of the form processing stage (and then he return "postPrint" toggle).

  I can't find the correct code to do - does anyone know the correct code?

  Thank you!

  If you do the presence of th esubform hidden instead of the invisible, that appear in the layout where it take place.

  Paul

• Panel police by default for controls of the money?

  Howdy-

  When I put the police of the Application in the menu drop down in text (with the default Panel checked), my selection seems to apply to modern controls that I can place on the front panel, but not money of controls.  Am I missing another setting, or is it just the way things work?

  Thanks a lot and have a nice day.

  -Brad

  Hey Brad, right now, it's just how it works. If you want to use money controls that all have the same font format then I would suggest creating a def type.

• How to set the default value for the digital control on front panel?

  How to set a default value for a numeric control of LabVIEW 2009 Front Panel? I have several input values that are actually configuration settings I want to settle with the default values of zero. I want them to be the values displayed when the façade first appears until the code is executed.

  I really want to use the Minimum and Maximum limits by default for this because I still want to be able to define acceptable limits for values.

  I would not be able to specify a default value of zero for these entries?

  Enter the desired value, then "right click...... of default data of value to operations. Save the VI.

• Can I change the default settings for the latency time Serial Windows with LabVIEW

  I have a wireless data collection device that my business is that I am using for the test one of our other wireless products. The device sends data series to a PC via a USB port. I wrote an automated LabVIEW program to test all the functions of my new product. However, after firing in the data, I realized that the serial data coming very fast and requires me to change latency of Windows by default for the port COM 16ms 2ms Miss not nothing. It's pretty easy for me to do locally on my machine, but much more difficult for me to spec for an off-site CM.

  Is it possible to have my LabVIEW program change the latency time of the COM Windows port of 16 ms to 2 ms automatically?

  Are you talking about the FTDI driver? I know that they allow these changes through registry settings. Thus the approach would probably be to have a small registry script that updates the parameter of function. Most likely, this will have to be run with elevated privileges, as these parameters resident generally in the HKLM or HKCR rather than the HKCU one hive.

• How to implement the sequence controls in the UI custom LabVIEW

  Hello

  I would like to use LabVIEW to run the TestStand sequence and display running windows in the user interface. (something llike the picture as an attachment)

  I followed the method of my groin: connected sequence controls in the handler of TestStand UI performance as objects display.

  Then use the registry event callback to build a VI reminder.

  VI recall is checking the RunState of the Manager of the execution is stopped and assigning the execution to this execution handler.

  However, it works, but really confuses me, needless to say to you all.

  Could someone give me any suggestions how to display running windows in the UI LabVIEW? I'll appreciate your help.

  It's too complicated to answer your question in simple words.

  Please examine carefully the following links. It comes with some basic concepts and tutorials on the TestStand UI use in LabVIEW.

  http://www.NI.com/white-paper/7560/en/

  http://www.NI.com/white-paper/14376/en/

• LabVIEW FPGA. Where should I put the custom controls - or type defs in a project

  Hello

  Maybe this is a stupid question - but I'm a little confused on where within a project I should put the controls (or type defs) used in FPGA screws.  If you put in the bit "module FPGA" project, so they come up as "dependencies" - as if they are not in the project within the project when you read/write values in the target FPGA.  Also, it seems that if you copy the project to a different location folder then the FPGA vi can be distributed in a way that she needs to be recompiled - even if you don't change anything - that's not cool if it takes an hour or two to compile.

  I had the controls in the external project for awhile - but seems not ideal from the point of view modular programming, and also, it seems that it may also cause the recompilation unnessary - although perhaps less often that put them in the FPGA subproject.

  Any thoughts?

  I've seen the same behavior and it is a fact that the code must be recompiled if you move a project even if the FPGA code is unchanged. From my point of view, it's a real BUG. This is independent of any file source or target FPGA.

  The other point of your question is not clear relly. Of course, you will get the dependencies if you place the necessary files outside the structure of the target project. But I see no problem to reference them twice because it won't double the source itself. So I suggest to refer to these files several times in the project structure. Actually I'm doing this because I manage a project file LV with different targets CRIO where the complete code for the target FPGA is double referenced under each target.

  It may be useful

  Christian

• Using the 'current default values do' as a control on the front panel

  Hello

  I'm building a VI that uses a lot of digital controls. I want to use "do current default values" as a control Boolean on the front panel for the user.

  Is it possible to implement when the program is running? What would be an alternative, if this was not possible?

  Thank you

  Mhaque

  
  

• [BUG] LabVIEW crashes when replacing a control of waveform with a digital table

  Steps to reproduce:

  1. Started with LabVIEW
  2. Create a new VI
  3. Please control waveform on the front panel
  4. Right-click on the control of waveform and select replace-> Silver-> table, matrix & Cluster-> table - Numeric (Silver)
  5. See LabVIEW crash with error internal 0xC9381CDA in datamgr.cpp

  Tested on LabVIEW, 13.0.1f5 (32 bit) and 14.0f1 (32 bit), Windows 8.1 x 64 LabVIEW.

  Hi all

  The CAR initially submitted DFGray has been corrected in LabVIEW 2015! You can find a link to download here.

• Behavior in time real LabVIEW incompatible with nodes in control property

  LabVIEW 2014 no service don't pack

  cRIO 9068 (Linux) with dual CPU

  I've written a vi which interacts with the CVT to pass values between the CVT and a bunch of controls on the Panel before which are accessed by reference. My project supports a front panel, if it is connected, then you can use this Panel to interact with the system. All the controls are located in a tabbed pane on the main vi running on the RT module, all the features are contained in a subvi, which accepts an array of references to the command input.

  It works perfectly in developer mode. Then when I deployed the controls were completely isolated: nothing has been loaded and initialized from the CVT, changing values of control had no impact on the system.

  For debugging, I provided a string array of all labels of control so I could see what controls is taken up by the Group of experts. So, I thought that the first troubleshooting step would be to see if the autonomous execution of RT filled one of them. After the creation and execution of this, everything lights up and works perfectly.

  It seems that to allow some control connected to that communication of the façade with a sub - vi RT VI must appear on the front panel. If this is not the case, the sub - vi will not interact with controls at all.

  In my opinion, it's a bug. Comments or details, anyone?

  Thanks for all your replies. For the record, while the 9068 has no Panel incorporated, it supports remote facades. I use this function successfully. The core of the code runs without a head, I didn't want the hassle of establishing a completely independent group on an external PC.

  My initial analysis and statement of the problem was wrong. I thought I was running in RT with group work, but actually worked by the developer. Even with controls and indicators highlighted the sub - vi the Panel was still Catatonic.

  Then I re-read the documentation OR on the facades. They clearly affirm that if application of the RT IS CONNECTED to a front panel nodes of property etc. will work. If this isn't the case, the program will still run but indicate errors for operations of property node. General error handling is not made for information only Panel stuff, so I have not seen the error.

  It turns out that I've been collecting all the controls at the beginning. Developing mode of the front panel is still there, so it worked. However, when the RT target boots and starts, it is impossible to have a remote façade connected, so my set of controls was empty.

  Movement of the control the value code initialization (just to get an array of references to all the controls in the component of interest) in the area of code that is run after the mouse click that activates the Panel did the trick. If there is no remote Panel then person can click on it, but if there is a front panel then all the controls are there.

  Thanks again for ruminating with me.

  Bill

• LabVIEW event to re-establish control not recognize.

  I am having trouble with an app I'm trying. I am trying to create a UI that updates some indicators and sends an analog output. I use a state machine in queue and cannot understand why the control is not to release day.

  Is anyone able to take a look?

  Downloaded an image, can download the .vi if necessary.

  -Ian

  The problem is that you have the data sent in the queue on the valve Position value change event.  This is a Boolean value, you have on your front.  And since it is an indicator, you can never actually have a value change event unless you do it programmatically.

  I think you want that your value change event must be associated with the control of the 'value of valve Position".

  Two other comments.

  One, you must connect your queue reference in any event.  If you have not, it will be a strange situation program who will be met, especially when you add to your program that will result in data in this thread that leaves the structure of the event to be bland and set its default value.

  Two, even though I know you have some reasons for hiding and showing controls, have controls appear and disappear as it seems not be a very friendly user interface, whereas it is difficult to say how to make appear whenever you want.

• Best way to reset all controls on the front panel except one?

  Hello world

  I have an interesting problem, whereby I need to run successive tests using a test station which has several indicators on the front panel. At the end of each test, I need to reset all to default values, with the exception of a control (Test ID) who needs to keep his information - its value is used in an initialization status for test to ask for information from a database, so it can not be reset with the rest controls.

  I post all orders at a time using a reference ThisVI and VI Default Vals.Reinit All method, but this will obviously reset my control values (Test ID) as well. Any suggestions on how to keep properly or may store this information control while resetting all others. I can reset individually others but there is a little and more can be added as this system is developed.

  I don't really know what is the right way to proceed, and Labview has maybe one trick in his bag that I know to work around this problem.

  Thanks in advance for your suggestions,

  Alex

  Flank the node invoke with two nodes in the value property of the control to maintain the value. To the left we read as well as a right and the wires together. Connect three nodes with a thread of error to establish the order of execution.

  First reading place value on the wire, which is then written after the values have been reset to the default value.

  

• Call the function in LabView from a DLL, and then access the global variable of DLL

  I've created a DLL in LabWindows with a function and structure.  I want to call the function from LabView and then access the overall structure.  I am able to call the function in the DLL with a "call library function node" and has access to the return value, but I can't understand how to access the overall structure.  The structure is declared in the header DLL with __declspec (dllimport) struct parameters file.

  Is it possible to access this structure without using the library of network variables?

  My guess is that you need two bytes of padding after "in_out" and another to two bytes of padding after "anin."  The reason being that ints are 4 bytes, and most of them C compilers will align on 4-byte boundaries.  The struct will naturally start to such a limit (in fact, in Windows, it will probably start to an 8 byte boundary).  If you then count bytes in your structure, you are 70 byte after "in_out."  70 is not divisible by 4, so you need 2 bytes more to reach the next 4 byte boundary.  You can also you could reorganize your struct so that "anin" follows "in_out" and this is probably the best option if it won't cause you other problems.

  Unlike most C compilers, LabVIEW compressed structures as closely as possible, without filling.  I don't know enough about the history of LabVIEW and internal parts to explain the reasons and to do this performance penalty, but, as choice of LabVIEW "endianness", it is probably a remnant of the first versions of LabVIEW that were running on the Mac.

  If for some reason you want to force your C struct to match package LabVIEW, you can use the #pragma pack (x) directive, but I wouldn't recommend that here because you can control the C and LabVIEW.

  EDIT: in the cases where it was not clear, add padding to your cluster of LabVIEW, insert appropriate size or items at the place desired in the cluster.