Main project in Labview

I am final year Engineering student of Instrumentation Branch from Bangalore, I am interested in doing a MAIN PROJECT on Labview with help of some Companies in Bangalore. So please help us.
Thank you

To learn more about LabVIEW, I suggest you try looking at some of these tutorials.

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Search for text in main VI crashes labview

I'm using Labview 8.6 under Windows Vista Business. I'll update to Labview 2009 once I finish the current project. While working on the current project, when I do a text search in the main vi, the Labview environment crashes without error and without warning. When restart, it recovers any unsaved VIs, but the same problem occurs. Rebooting the PC doesn't help. If I go back far enough in my archives, I can get around this error, but I'll lose a week of work. Since there is no warning or error message, I don't have any way to trouble shoot the bug. I've looked under theLavVIEW Data/lvfailurelog folder, but no new log file is generated.

>It's possible it's an 8.6 bug, but it's also
possible you may have a corruption in your VI.
>Try forcing a recompile
by holding down the control key on your keyboard and pressing
>the run
button in the toolbar. You can also try posting the VI to see if anyone
else can reproduce the problem.
Thanks for the suggestion. Recompiling doesn't make any difference. If I open the Main.vi outside of my project, it has the same problem, so it must be within that VI.That VI uses a ton of classes and a number of customer control types, so I doubt that anyone could open just that VI without the rest. I know a local NI rep pretty well...I'll check with him on Monday.
I ran VI analyzer and found a number of items, none of which justifies crashing the Labview environment, particularlly without an error message. I can attempt to fix all of the items found, but I don't have any guarantee that it will fix the problem, since I don't know what is causing it in the first place. If this is a known issue, that would help to narrow down the fix.

Is it possible to build a project with Labview 2010 on a Windows XP system, that is useful for a system with windows 7 on it?

Hi there,
I am planning to use Labview 2010 in a short time.
But before I'm going to use it I have some questions.
I know it is possible to run Labview 2010 in an XP environment. But is it also possible to, when running Labview 2010 on a XP system, to build a project to a version that is useful in a Windows 7 environment?
Or do I have to run Labview 2010, when I want to build a project that is useful on a Windows 7 system, on a system with Windows 7?
Please give me some information.
I hope to hear from one of you soon.
Regards,
Kenny
Solved!
Go to Solution.

Is it possible to build a project with Labview 2009 on a Windows XP system, that is useful for a system with windows 7 on it?
Thanks.
Philippe B.
Certified Associate Developer / Dépt Moyens d'essais
www.ingenia-system.com

I want to do a project in Labview which controls 5 light bulbs which lights in a room.

I want to do a project in Labview which controls 5 light bulbs which lights in a room. The switching on of light bulbs depend on amount of sunlight falling on a LDR. Small intensity of sunlight should cause the lighting of one bulb after the other. I need some help in writing my program in Labview.

kasamaneka wrote:
I want to do a project in Labview which controls 5 light bulbs which lights in a room. The switching on of light bulbs depend on amount of sunlight falling on a LDR. Small intensity of sunlight should cause the lighting of one bulb after the other. I need some help in writing my program in Labview.
LDR is a resistor whose resistance decreases with increasing incident light intensity... I know, you are already aware of what LDR is...!!
--> Well what exactly you want a LabVIEW program to do in this setup of yours...??
--> If you want LabVIEW to take control and lit different bulbs, based on the light intensity, I would like to know, how exactly you planned to measure the resistance variation of LDR??
--> What DAQ are you using??
--> Are you aware that DAQ cards can measure the voltage across a shunt resistance (here LDR) and indirectly tell you the variation in the resistant, provided a constant current passing through the resistance.
I am not allergic to Kudos, in fact I love Kudos.
Make your LabVIEW experience more CONVENIENT.

How can i have two main projects?

Hi,
i would like to have two main projects in order to run those at the same time , how can i do that?
thanks
alvaro

they can run independently,
I prefer not to use the command line, so i would like to run those projects with netbeans, is it posible?Probably. Other IDEs can run multiple programs at once, so Netbeans probably can, too. But, as cotton.m suggested, you should concentrate on learning Java before you learn how to use an IDE.

Workspace settings (multiple DLL projects with one main project)

How to set up an workspace had one main project and several DLL project? So that the DLL projects must compile first before CVI compile the main project.

If you want to suggest a product improvement, then the LabWindows/CVI Idea Exchange is the right place to post!
Proud to use LW/CVI from 3.1 on.
My contributions to the Developer Zone Community
If I have helped you, why not giving me a kudos?

Git, Main project and library project

I use git for version control, eclipse+flex builder for flex development.
I created a library prject 'core' and a main project 'base' which uses 'core'.
so my question is, how can I manage the 2 projects with Git, whena new developer check out 'base', it will also check out 'core' automatically, and references 'core' in 'base'
thanks in advance

Sounds like a bug. However, I would recommend that you don't import all 8,000 images into a single project. Assuming each of your folders represents a shoot I would make a project for each one.
This is because you can import/export projects and you might want to export one for DVD backup. An 8,000 image project probably won't fit on a DVD if you're shooting with raw files. Also, this should make it cleaner to import projects captured on another computer (like a laptop).
I initially imported all my images into a single project, but eventually moved images into many small projects. You can always rearrange things from within the UI after the fact.

C project in labview

Hello,
i have one project developped using c code, this project is composed with 4 .c files ( each one with its .h file), in the 5th file i have the main() function with other functions, before asking here , i have been reading this
http://www.ni.com/white-paper/5694/en , https://decibel.ni.com/content/message/1615 and https://decibel.ni.com/content/docs/DOC-1690
my question is :
there is any way to convert my project developped in c to labview ( not a function ( to dll) but a project which contents a lot of functions with one main()).
thanks in advance

There isn't a program, that I've ever heard of, to convert a C program to LabVIEW. Creating a .dll from a C program, that is then called from LabVIEW, yes. If you have sufficient understanding of how your program functions, you can then write a LabVIEW program to do what it does, in many cases.
Putnam
Certified LabVIEW Developer
Senior Test Engineer
Currently using LV 6.1-LabVIEW 2012, RT8.5
LabVIEW Champion

How to create custom project in LabVIEW 8

We can create VIs from the template in similar fashion i want to create a perticular folder hierarchy and copy some common VIs in perticular locations when i create a new project. as in 7.1(or even in 8) we had option to create blank VI or VI from template, is there any option to blank project or project from template.
If this feature is not readily available then can i develop a tool which can do the job? How?
Tushar Jambhekar
[email protected]
Jambhekar Automation Solutions
LabVIEW Consultancy, LabVIEW Training
Rent a LabVIEW Developer, My Blog

Hello!
You can do more than just creating a blank project with the
VI server -- check out the example "Add files to project" from the NI
Example Finder (help->find examples->new to lv 8->general). The
other post was correct though -- it is just an XML file that you can manipulate
how you choose.
Hope it helps!
Travis M
LabVIEW R&D
National Instruments

Problem in saving project frm labview 8.5 to 8.2

i m facing problem while saving the project frm 8.5 to 8.2
while doing this i recieve message of following Vis missing
1 Teststand-ExecuteMenu Command.vi
2.Teststand-Insert Command in Menu(Execution View Manager.Vi
3.Teststand-Insertcommand in Menu (SequencefileView Manager .vi
4.Teststand-Insertcommandin Menu.vi
5.Teststand-Remove Command from Menu.vi
plz solve this problem

Hello Eler,
I'm the AE from the french support who tested your class.
I tested your big class with different version of LabVIEW and with all the versions, I had the error.
I tested with LV8.5.1 french, LV 8.2.1 french and english, LV8.2 french and english,LV7.1 fench.
For me with LV 8.2.0 english version your class doesn't work.
I attached screen shots for all tests.
Regards
VéroniqueD
NI France
Attachments:
error assembly.zip ‏382 KB

Can Resource Units be shown as a column in the main project plan?

Hi
When you open the Task Summary Information screen, you have the Units field - can this field be displayed on a project plan?
We use Project for resource planning and this field is used to show what % of a resource's work day is spent on a task. It works really well, but I'd like to see "Units" displayed on the main plan.
Cheers
Scott

You can add Unit field on any of the assignment view in PWA.
Server setting --> manage view --> Open Assignment view add Unit field from left panel to right click on Save.
Unit field is applicable in Assignment view only in PWA (Project Server).You can not add it in stand alone MS project Professional plan for grantt chart .
In Resource usage or Task usage you can add Assignment unit or peak filed which will give you the same result .
In MPP you can Use Peak field in resource usage view
kirtesh

Packed project Library Labview Class Issues

I packed my whole Labview project as a packed proj library during teststand Deployment
I am using classes in my labview project
unfortunalely by one of sub seq calls got the following error !
"Type mismatch. The LabVIEW Class does not match the class expected by the VI.
Cannot pass a base LabVIEW Class to call a method initially defined in a derived LabVIEW Class."

The error message is quite clear:
You are using inheritance where you do have methods which are not part of the parent class (as dynamic dispatch).
During the call, you pass an object of the parent class and try to call the (unknown) method of the child.
Why this is happening can only explain your code....
Norbert
CEO: What exactly is stopping us from doing this?
Expert: Geometry
Marketing Manager: Just ignore it.

Main Projects and Sub Projects

Guys,
This is my scenario.
The projects that we are going to work has got a lot of activities and needs to be brought in to Project System. Since there will be a regular changes in the project and rescheduling to be done, the person who is responsible for the whole project will not be able to do the process regularly.
We have come up with the thought of distributing the work to different departments such as PED , RND, PURCH, QLTY etc... such that, each deaprtment Project* their work with different WBS elements (hopefully using CJ11) and finally all these wbs elements being connected to the Project definition which is created by the project manager. If there are any changes made to the WBS element the dates should be automatically rescheduled, which is available in SAP PS.
This can be a sub project kind of an idea. Minor projects under One main Major Project.
Or for eg.. Multiple projects of a department under the Departments' Project definition.
So guys, let me know if this concept could be done in PS.
Any kind of help will be really appretiated.
Pls reply if you have any doubts in the scenario.
Thx.
Sbks.

Nitin,
Hope that you understood my scenario, and as I could do it partially with your reply.
To be more clear from my side. Our plan crosses department wise rather that the projet plan flow. You can find the eg below.
1. The Project manager would create the project definition and would communicate this to all the dept heads and wait for them to create the WBS elements.
2. The dept heads would Project* their plan in to the system individually, entering the duration for each activity. This process is done by the cross functioning departments working on the same project.
3. The dept plan would later be linked to the Project definition by the project manager himself, and as the duration is already given scheduling would be carried out subsequently by the project manager.
Current Plan.
Design
Complete drawing - RND
Flow analysis - Design Dept
Design Approval process - PED and MKTG
Machines
Identify Supplier - PED
Get plan from machine manufacturer - PED
Getting quotation - PED
Negotiate & finalise - PURCH
Raise a Procurement Requisition - PURCH
Manufacturing - SUPPLIER
Receipt - PED
Installation & commissioning - PED & QLTY
Tools
Identify tool - PED
Prepare tool list - PED
Decide make / supplier - PED
Get quotation for standard tool - PURCH
Raise a Procurement Requisition - PURCH
Receipt and Calibration - PED & QLTY
The Plan goes on....
As you can see the activities that are given above involves inter-dept employees.
This is the plan what we have in mind..
Plan from Marketing
Plan from Design
Plan from AEG
Plan from RND
Plan from Purchase
Plan from Quality.
Instead of following the Activity Flow we were thinking of a Department wise flow.
Could this be done in Project system.
Pls Help.
Regrds
Sbks.

Four ways to save a project in LabVIEW 8.5 - any difference?

What are the fundamental differences, if any, between all the different ways to save a project under LV 8.5? Example: "Save All" and "Save All (this Project)" under the project File menu.
From LabVIEW Help:
You can save a LabVIEW project in the
following ways:
Select File»Save.
Select Project»Save Project.
Right-click the project root and select Save from the
shortcut menu.
Click the Save All (this Project) button on the Project toolbar. You also can select
File»Save All (this Project) or right-click the project root
and select Save All (this Project) from the shortcut menu.
“A child of five could understand this. Send someone to fetch a child of five.”
― Groucho Marx

File>>Save will save the current document. So, in a VI window, it will save the VI. In a project window, it saves the project.
Project>>Save Project will save the project associated with the current document. So, in a VI window, it will save the project (if the VI is opened from one). In a project window, it (obviously) saves the project.
The shortcut menus is the same as the File menu Save.
Save All (this Project) saves all open files in the current open project.
Christina Rogers, Senior Software Engineer and UX Technical Lead, LabVIEW R&D

Run main project error

I'm using netbeans but i do not get any compiling errors just a error when i build my project.
java.lang.NullPointerException
at Flights.<init>(Flights.java:25)
at Flights.main(Flights.java:29)
Exception in thread "main"
Java Result: 1

That is an error that occurs when you run the program. To find what the error is, find the exception class named NullPointerException in the java.lang API documentation. It says:
"NullPointerException extends RuntimeException
Thrown when an application attempts to use null in a case where an object is required. These include:
Calling the instance method of a null object.
Accessing or modifying the field of a null object.
Taking the length of null as if it were an array.
Accessing or modifying the slots of null as if it were an array.
Throwing null as if it were a Throwable value"
The rest of the error message tells you where the problems is happening - at line 25 of the main method in the program Flights.
Often caused by using an array index that is too large (trying to index beyond the end of the array). Bottom line, an object was expected, but a null was found.

Main project in Labview

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