How can you "enable front panel datalogging?"

In the Labview User Manual, it says that "You can create and read datalog files by enabling front panel datalogging." How do you go about "enabling front panel datalogging?"
Any help would be greatly appreciated.

From a LabVIEW only perspective, you can enable control (front panel) datalogging through the menu Operate>Data Logging->. If you bind a log file to the VIs front panel it will generate a binary file with the state of the controls in it, when you execute Operate>Data Logging>Log... (I could not find a way to execute this Log... by VI server programmatically - Maybe someone else?)
From a LabVIEW DSC perspective you can generate a Logos Remote connection to a tag (e.g. with the HMI Wizard). And when you have enabled that this tag has to be logged, the LabVIEW DSC Engine will store/log the value into the Citadel database.
Hope this helps
Roland
PS:
Not updated however maybe helpful:
80E?OpenDocument>Using Enable Database Access to Retrieve Data from a LabVIEW VI's Log File
Front Panel Data Logging and Retrieval (old Example)

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Hi
I have a vi that i call multiple times from another vi, however i want it to open the front panel on some calls and not on others. What is the best way to do this?
I have come up with a way and was wondering if this method was okay or is there another method that might work better escepcially since i am eventually going to create an application out of it and hope that no problems pop up then
Unititled 1 calls Untitled 2 where with one call it opens and runs Untitled 2 while with the other call it simply runs untitled 2.vi
What I did was i changed untitled 2.vi window appearance to dialog but i deselected the show front panel when called, so by simply calling the subvi form untitled 1 it works. Unititled 2 runs but does not open
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Reza Sed
Attachments:
Untitled 1.vi ‏24 KB
Untitled 2.vi ‏10 KB

What you did, in theory, is the correct way to do it. However, you should move the front panel open and close into Untitled2.vi and have a boolean input as to whether to show the front panel or not. This way, your calling code is cleaner, and you don't have to reproduce the code everytime you want to call the subVI and show the panel.
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Attachments:
Sample image save.vi ‏19 KB

That worked wonderfully and is exactly what I need for the phase diagrams Im working with. I have a new and similar issue, I do have a camera showing us our laser source in a CCD image within my code. I was hoping to get a picture of that each iteration and hoped the solution you provided would work for both but the CCD jpgs are just black. I'm assuming I may have to use a different acquiring technique with that but dont know the best way to go.
Any help there? I cant really post a VI since the camera stuff wouldnt work but heres a screen shot of the front panel and the CCD image that id like to capture.
Attachments:
2.JPG ‏400 KB

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I m using LabVIEW 8.2 on Windows XP SP2
I've tried both “maintain proportions of window for different monitor resolutions” and “scale all objects on front panel as the window resizes” selected but just messed up everything when i switched to another different resolution. It's annoying since I'm using 22 inch monitor to do the coding but the user supposed to run it on laptop or wince.
Any solutions to it?
Thx in advance.

Thank you all. Following is the reply from NI support. I think the best way is to edit vi in low resolution.
One of the easiest ways to tackle varying screen resolutions is to design
the front panel to the lowest resolution that you expect it to run on. It
should then look acceptable on any screen larger than that.
However, you can get a bit more tricky by programmatically determining the
computer's screen resolution and then dynamically changing the size of your
front panel objects. Use an Application Property Node and select
Display>>All Monitors to return the current screen size. Then, according to
the screen size, you can size the control or indicator programmatically
using the Size property node for your front panel objects.
Ultimately, these issues have often been a result of font size issues.
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issues if you are supporting different platforms (Windows and Mac or Mac
and Linux, for example), since the fonts you want may not be available on
both platforms. There are Windows fonts available for both Mac and Linux
platforms, so this can be somewhat ameliorated.
This is all I can think of, but that's not to say these are the only
solutions. You might check the Discussion Forums, as many of our LabVIEW
Champions have tackled similar issues and offer their expertise as well.
Here's just a few threads that I'd like to refer you to:
How to make the size of VI and controls unchanged irrespective of the
resolution?
http://forums.ni.com/ni/board/message?board.id=170&message.id=273613&requireLogin=False
How to program the front panel size to fit different monitor resolution?
http://forums.ni.com/ni/board/message?board.id=170&message.id=87160&requireLogin=False
I hope this discussion helps you along the way in your application
development. Please let me know if you have any further questions/comments
and I would be happy to discuss them with you.
Otherwise, it was a pleasure assisting you and thank you for choosing
National Instruments.

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.
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this on the apex forum here:
Re: How can I enable embedded pl/sql gateway to run on port 80
They suggested asking here.

No, that thread did not provide the information that I need. Some more data:
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2 3 4 5
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SYS>SYS>select dbms_xdb.gethttpport as "HTTP-Port" , dbms_xdb.getftpport as "FTP-Port" from dual;
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How can you "enable front panel datalogging?"