VSS and two versions of LabVIEW open is BAD
Wow,
So I had LabVIEW 2009 up for scratchpad code (so it would not try to add into my project in 2010) A trick I play to keep my scratch code out of my development.
I just got a second monitor and am still getting used to having "stuff over there">>>> and forgot to Close LabVIEW 2009 per my normal operation when I finish in my scratchpad.
Hit the old "Add to SCC" on some new vi's in the main project. They did add.... and LabVIEW 2010f4PDS went totally unresponsive in ways I've never seen. Yes I have SCC configured on both LabVIEW versions and auto-connect to VSS during launch.
Luckilly I save often- lost ZERO work but......Should I be able to connect to VSS for multiple LabVIEW versions simultaineously? or would that be a totally brain-dead way to cause hair loss?
Jeff
And no matter what you find out keep in mind that VSS is no longer under development by Microsoft and support will soon end.
See this link. Then switch over to SVN!
=====================
LabVIEW 2012
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Difference between Runtime version and Developer version of LabVIEW.
What is Version of LabVIEW called Runtime engine?
Is it only for viewing VIs built in LabVIEW developer version?
Can't we develope or edit VIs in RTE version of LabVIEW?vaibhavinegi wrote:
What is Version of LabVIEW called Runtime engine?
There is a seperate Runtime version for every release of LabVIEW. You can open up NI MAX and expand software to see what is installed in your computer.
Is it only for viewing VIs built in LabVIEW developer version?
Without the development environment, you cannot edit LabVIEW VIs. The Runtime Engine is responsible for actually running the code so you can build LabVIEW programs into executables and run them on other machines without the development environment.
Can't we develope or edit VIs in RTE version of LabVIEW?
No -
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How to install Spectral Measurements and Modulation Toolkits for multiple versions of Labview
I installed NI-RFSG, NI-RFSA, the Spectral Measurements Toolkit, and the Modulation Toolkit. I have both LabVIEW 7.1 and 8.0 installed on my system. I developed an application in LV 8.0 and now I need to revert it to LV 7.1. The problem I am having is that add-on toolkits seem to only have been installed for LV 8.0 because there are several missing VIs and controls when I try to open the LV 7.1 version. I tried re-installing the toolkits, but this is not fixing the problem. How can I get the installer to install the toolkits for both versions of LabVIEW?
Thanks for your help,
Cherie
Solved!
Go to Solution.Hello Cherie,
it's a know issue. You can read it in the modulation toolkit readme :
Two Versions of LabVIEW Installed
The installer supports installation of the Modulation Toolkit into a single
version of LabVIEW; installation of the Toolkit into multiple separate
installations of LabVIEW (for instance LabVIEW 7.0 and LabVIEW 7.1 installed
on the same PC and in separate directories) is not supported or recommended.
An unsupported means of doing so though involves manually copying files from
one LabVIEW installation to another. To do so, you can install the
Modulation Toolkit to the home directory of one LabVIEW installation, and
then manually copy the installed files to the other LabVIEW installation.
The following list includes pertinent directories and files. Copy all files
from these directories, including any subdirectories, using the equivalent
relative paths to the LabVIEW home directory for the target.
<LabVIEW Home>\vi.lib\AddOns\Modulation\*.*
<LabVIEW Home>\vi.lib\AddOns\NISML\*.*
<LabVIEW Home>\examples\Modulation\*.*
<LabVIEW Home>\resource\objmgr\NIMTAttribs.rc
<LabVIEW Home>\resource\objmgr\NIMTAttribs.rch
<LabVIEW Home>\help\lvmod.txt
<LabVIEW Home>\help\lvmod.chm
<LabVIEW Home>\help\lvdmt.txt
<LabVIEW Home>\help\lvdmt.chm
Note that this listing does not include all installed files. Also, copying
files in this manner is not equivalent to a full installation into the
alternative version of LabVIEW. Most notably error text unique to the
Modulation Toolkit will not be updated and the Example Finder listings will
not show the Modulation Toolkit examples.
jerome
"CherieC" <[email protected]> a écrit dans le message de news:
[email protected]...
>I installed NI-RFSG, NI-RFSA, the Spectral Measurements Toolkit, and the
>Modulation Toolkit. I have both LabVIEW 7.1 and 8.0 installed on my
>system. I developed an application in LV 8.0 and now I need to revert
>it to LV 7.1. The problem I am having is that add-on toolkits seem to
>only have been installed for LV 8.0 because there are several missing VIs
>and controls when I try to open the LV 7.1 version. I tried
>re-installing the toolkits, but this is not fixing the problem. How
>can I get the installer to install the toolkits for both versions of
>LabVIEW?
>
> Thanks for your help,
> Cherie -
Controlling different versions of LabVIEW
In "NI eSupport News Vol. 6, No. 11 - November 2002" you brought following, but the link does not work (wrong subject). And can't find the subject on your web. Got another link??
<==Controlling which Version of LabVIEW Opens When You Double-Click a VI in
Windows==>
If you have two or more copies of LabVIEW on one computer, you might notice
that when you double-click a VI in Windows, the last version of LabVIEW you
closed will open. The following KnowledgeBase document describes how you
can double-click a VI and have a specific version of LabVIEW open:
http://digital.ni.com/express.nsf/express?openagent&code=esup110211Sorry about that. We'll fix the link to point to the right place, but meanwhile, here's the KnowledgeBase entry that was being referenced:
http://digital.ni.com/public.nsf/websearch/63EB67ED9D45797E86256C35006C257E?OpenDocument
Or, you can search the KB for document ID 2PEDLK2Q.
Regards,
John Lum
National Instruments -
Reproducible and critical bug in labview 7.0 (test VIs included)
In upgrading from 6.1 to 7.0 recently, I've found a bug in at least the Linux and Windows versions of LabView 7.0.
I have verified the bug on Windows XP as well as RedHat 8.0 (with a 2.4.24 custom kernel).
As a part of this post, I am including a tar-gzipped set of three VIs that demonstrate the bug described here.
The synopsis (refering to 3 included tar-gzipped VIs):
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- lv-bug2.vi increments one of the integer fields in the cluster and then returns the resultant cluster to be displayed in lv-bug1.vi's cluster2.
- lv-bug3.vi also increments the same integer field in the EXACT same manner to be displayed in lv-bug1.vi's cluster3.
What you will notice first off:
1. The incremented integer field is indeed incremented
in both returned clusters.
2. In lv-bug2.vi, none of the other fields will be carried through to cluster2 (change them as you will, these changes will not go through).
3. In lv-bug3.vi, ALL of the other fields will be carried through to cluster3
4. If you open up the panel of lv-bug2.vi, everything works as expected (ie. all values of cluster1 go through lv-bug2.vi to cluster2).
5. If you close the panel of lv-bug2.vi again, cluster2 does not receive any new changes of cluster1.
Some more details:
In both lv-bug2.vi and lv-bug3.vi, the steps are:
1. copy input to output
2. increment said integer field in the output cluster
- This increment is done by (abstractly):
output->intfield->property_node->value =
input->intfield + 1;
3. The only difference between lv-bug2.vi and lv-bug3.vi is that lv-bug3.vi has a Reference to some other unused control. This control is unwired and its Reference is also unwired. I find that as long as I have a Reference on the diagram to anything (be it to the one of the clusters or something else), the VI functions properly. But in the case of lv-bug2.vi, where there is no Reference to anything, the values are not correctly copied from the input to output.
Attachments:
lv-bug-files.tar.gz 24 KBI agree it is a bug since the subVI should return the content of untouched cluster elements and behave the same with panel opened/closed.
However, you have to know that indicators (on FP) and terminals (on BD) are not exactly the same thing in a VI. Controls are graphical objects to display data. Terminals hold data in the block diagram. They are related as the Control usually displays the Terminal data, but LabVIEW tries not to update the Control unnecessarly when the front panel is closed or otherwise not visible.
But they are not exactly the same. For example take the working lv-bug3.vi and make it reentrant. You'll see that it doesn't work anymore. The Control has been incremented on the front panel but the subVI outputs the same cluste
r as input. That is because when you make a VI reentrant, the Terminal is disconnected from the Control. All instances of a reentrant VI share the same FP and Controls but keep their own terminals. In your code your write a value in the terminal and another in the control since the value property node is a property of the control, not of the terminal.
In your test case (non-reentrant) the bug occurs probably because LabVIEW fails to keep the terminal data and the control data properly synchronized when the front panel is closed.
There is no reason to use the value property node in a non-UI subVI and it should be avoided. The correct way to implement your code is as altenbach showed in his picture: use wires and write output to the terminal.
LabVIEW, C'est LabVIEW -
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Is it possible to open a VI using an older version of LabVIEW, and if so how?
As stated in the title. I have installed all the run-times from lv6 to lv8.6, but cannot open any VIs that have been compiled in a more recent version of LabVIEW. We run (on different computers) lv5, lv6.1, and lv8.5. Upgrading some of the older machines is not possible since they cannot handle the required OS.
Is there any way to open a VI created/compiled in a higher version of LabVIEW? This is proving to be a major sticking point with us and our ability to transfer VIs between computers.
James
Never say "Oops." Always say "Ah, interesting!"Hi James,
I was able to use VI server to invoke LV 6.1 VI's using LV 7.0 without issue.
After discovering this and mentioning it in a post somewhere, Rolf Kalbermatter indicated that was expected. and I should not be suprised.
So....
Vi Server may help you.
James Mamakos wrote:
Is there a separate place for me to post VIs to be converted? What's a ballpark figure for the maximum file size i could put on to be converted?
Do you know if the LabVIEW developers can/will create a way to overcome this problem rather than having to convert a VI through all the intermediate versions?
To the best of knowledge NO.
For each versino of LV there isw code included that runs behind the scenes when you open a VI from an earleir version which replaces old functions with the new versions. This is called Mutation code. To accomplish its task it has to know everything that changed between version X and Y. Since it is possible to baby step the versions up and the number of user that jump multiple major versions is small, I don't think any effort will go into that work.
THe largest attachment I have managed to upload was 3 or 4 Meg.
Just trying to help,
Ben
Message Edited by Ben on 04-28-2009 08:58 AM
Ben Rayner
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I have an old .vi program that I am trying to access and run now. I don't know what version of LabView it was written in but I do know it came off of a Windows 95 computer.
Any Suggestions?
Will Huntley
Solved!
Go to Solution.You said "trying to". Does that mean you've been unsuccessful? On what OS are you trying to run it?
When you open an old VI in a newer version of LabVIEW, if the VI isn't too old, then it will open. If you close the VI you'll get a dialog asking you to save it. The "explain changes" will tell you the version of LabVIEW used to write the VI.
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EDIT: Duplicate answer. Was creating my response while Dennis posted his. -
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