Use labview 7.10 and 8.6

Hi
I am coding with labview 7.1 and I will pass on LV 8.6.1
I 'am on learning step (there a lot of new things)
I make exercise on the calculator project ship on NI site
I will to build it
Build succeed but when I run the executalble LV search some vi like "NOT Found Dialog.vi" "Details Display Dialo.vi"
all theses are in vi.lib from 8.6
Why
is it because there lv7.1 installed on my PC
I would like too keep the both labview version

In Labview it is no backwards compatibility. So you can not use code saved with 8.6 in 7.1, but Labview 8.6 can read 7.1 code. I have several Labview versions on my computer. That is no problem. But you can not share code between the different versions.
Besides which, my opinion is that Express VIs Carthage must be destroyed deleted
(Sorry no Labview "brag list" so far)

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How can I do to communicate to parallel port using labview 5.0 and NT ?

I am trying to write and read from parallel port using Labview 5.0. It does not work with NT.
How can I do to communicate to parallel port using labview 5.0 and NT ?
Thank you in advance.
Regards,

If you are trying to use In/Out port functions that come with LabVIEW they will not work with NT. I think the AccessHW file at the following link will fix that problem:
http://zone.ni.com/devzone/explprog.nsf/6c163603265406328625682a006ed37d/49664743ded6f1da862564bc004e3a7f?OpenDocument
Try also this link:
http://zone.ni.com/devzone/conceptd.nsf/2d17d611efb58b22862567a9006ffe76/0989d3d9dafae64e8625680400679736?OpenDocument
and do some searchs at NI.com for parallel port, you should find some more usefull info.
Good luck
Brian

Companies using labview in India and scope of labview in india

HI
This is hari krishna have 1+years experience in labview application development.
I like to know how many companies using labview in India and jobs scope/future of labview developers.
Regards,
Hari Krishna.k
R&D Engineer.

Hi Hari,
The scope of LabVIEW in India is indeed very bright.
You may find the below link useful:
http://forums.ni.com/t5/LabVIEW-Job-Openings/Scope-of-LabVIEW-job-in-India/td-p/1017671
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Regards,
Rohan Sood
Applications Engineer
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I use labview 8.0 and i can not run daqmx driver for pcmcia 6062e daq card

i use labview 8.0 on window xp .when i installed a PCMCIA daq card 6062E, i could not run daqmx driver.It is fine to see that the traditional version is working well.When i install daq card sometimes it is working well with traditional driver but mostly i see error on reading an analog input from PCMCIA daq device.An error called 'base adress' occures .I use last version of driver that is daqmx 8.0.1. and i have installed this correctly but again i could not see any signal on the test panel for daq-mx driver.I don't know what is the problem.Also when i install PCMCIA daq card Please reply this message.I need your helps.
Thanks

Hello,
Thanks for your reply.I will try to answer your questions.
I have checked the Device Mananger and I have seen that the device is detected by Windows XP. For another question the card shows up under both NI-DAQmx Devices and Traditional NI-DAQ (Legacy) Devices consistently in the Measurement & Automation Explorer.I use a way that I reset the driver for traditional NI-DAQ in MAX,and then i reset the device for NI-DAQmx driver in MAX and again i tried to run the test panel of DAQmx driver but again i saw a wrong signal or noise signal on the test panel i could not see the sinusoidal signal that i connected. i do get the test panels to run with the card using the DAQmx driver, But could not run the DAQ diagnostic utility.The error was as i specified below.
03.05.2006 09:49:35
Results saved to: C:\Documents and Settings\serkan\Desktop\Diagnostic Results.txt
Selected Device: Dev1
Device Type: DAQCard-6062E
Serial Number: 107509E
Device Support: (PASS)
NI-DAQmx Version: 8.0 (PASS)
Device Reset: (FAIL)
Error -50002 occurred at an unidentified location
Possible reason(s):
The specified device is not a valid device. The operation could not be completed as specified.
------ DIAGNOSTIC UTILITY ABORTED -----
And for your last question i can say that i have used the DAQ card on other laptops.But the results were the same.İ hope to see your reply
Thanks,
Serkan Buhan
Electrical-Elecronics Engineer
Researcher
TUBITAK-BILTEN

How do I use LabVIEW to control and vary the voltage on my Agilent Power Supply and simultaneously record temp from 1 DMM and voltage from another DMM?

I am using an Agilent Power Supply to apply a voltage to a
thermistor to heat an Al chassis. I want to use LabVIEW to tell
the power supply to apply 5V for 10 minutes, then step to 7V for 10
minutes, etc. I am completely new to LabVIEW, so any help would be greatly appreciated!
In addition to that, I want to place a type J thermocouple onto the Al
surface and use a Keithley 2000 DMM to monitor the temperature (it has
a built in conversion from V to Temp for type J). I will also be
using another Kelthley 2000 DMM to record the output voltage of a new
uncalibrated thermocouple. I would like to collect the output
voltage for this uncalibrated thermocouple and the temperature reading
from the type J simultaneously. How should I go about doing this
in LabVIEW? I will be using version 6.1. The power supply
and DMMs will be connected to a PC using GPIB.
Again any suggestions would be greatly appreciated- I have no idea
where to begin on such a project. I have taught myself how to
make a basic VI- converting temp in oC to oF, but that is as far
as my knowledge goes.

What you want to do should be fairly straightward and a good way to learn labview.
First off, if you haven't already, I would download the drivers for the Keithley and Agilent instruments. I found the keithley drivers at the link below. You will need to find the labview drivers for the Agilent PS at their website. Drivers are the VI's you will use in your program to control the insturments.
http://sine.ni.com/apps/we/niid_web_display.download_page?p_id_guid=E3B19B3E90B0659CE034080020E74861
If you open Labview and go to the help menu and click on Labview bookshelf there is alot of information on getting you started coding labview. This should get you started, if you have anymore questions just ask in this same thread and I am sure you will get all the help you need.
Brian
Message Edited by BrianPack on 09-14-2005 05:21 PM
Message Edited by BrianPack on 09-14-2005 05:21 PM

100% CPU using LabView 7.1 and DSC module

Seven years ago I used BridgeView and PXI to execute a project, and the results were so good that after that initial system, I installed one more using BridgeView, and three more using LabView 7.1.
BridgeView is working very well, but lately, LabView 7.1 is giving me more and more problems. It all started in a system running LabView 7.1 and DSC on Windows XP, using a PXI-8187 controller with a PXI-1042 chassis. I have two PXI-6533 digital I/O boards, one PXI-6030E multifunction, one PXI-6713 analog output board, one PXI-6602 counter board and one PXI-8422 serial com. board. In may/06, all of the sudden, the CPU went to a 100% use. Since I am running PID's to control a flash-butt welding machine in a steel factory, this was extremely dangerous. I changed the controller and everything went back to normal. It was running fine until december/06, when the same behavior appeared again. This time changing the controller did not help. We increased the system memory, from 256 MB to 512 MB and everything worked fine. But one month later (january/07) the fault reappeared. This time we changed the chassis and from that moment to this time, we are running smoothly.
Application problems were suspect from the very first time this problem appeared, but I was unable to identify the source, if any. I used PROFILE VI's and apparently the write/read tags were taking all the processor resources. However, changing the routines and disabling communications, and optimizing CPU intensive programs never solved the CPU overload.
Until now, I was aware of only one system showing this erratic behavior. But today I went to check another system, with a totally different application. This one is used to measure the thickness of the steel sheet on a rolling mill. Is not so resource-intensive, but the maintenance folks told me that every time they turned off this particular system, they always had problems trying to turn it on.
I was suspecting of a PLC-communication related issue, but what I found turned my alarms on. I turned off the system, which was fully functional, and turned it back on, and there it was, CPU load at 100%!. Is exactly the same problem that I have on the welder. This system has a PXI-8184, a PXI-1042 chassis, Windows XP, one PXI-6030E, one PXI-6713 and one PXI-6533. I battled for 20 minutes to put the system back in normal conditions.
I specified every single board, installed everything and programmed all the applications. The BridgeView applications have never showed anything like this. I am using the DSC (Datalogging and Supervisory Control Module) on both applications, and the Lookout Protocol Drivers are communicating to Modicon PLC's.
Please, I need help to solve this issue. I believe none of your actual Knowledge Base "100% CPU" articles apply to my case...
Thanks in advance...
Antonio Jimenez
[email protected]

Thanks for your reply...
Yes, sometimes I have the feeling that the systems works again because some file or database gets initialized after so many reboots.
Intentionally I turned off all the events and alarm logging to disk. Also the historical data logging is disabled. This is done by code, every time the main VI is started. This was included precisely to save CPU processing power. However, I am communicating to PLC's, and of course I have to declare variables inside the citadel database to make the communication possible.
Right now I can't have access to the application, because the mill is rolling, but during the next maintenance stop I will check the database location and size, and I could change the directory location the next time the fault comes up.

Using LabVIEW 7.1 and LabVIEW 2010 on the same PC (Windows XP)

I have LabVIEW 7.1 on a Windows XP 32-bit PC and we plan to upgrade to LabVIEW 2010 soon. A lot of our software is using Traditional DAQ, DAQmx and DeviceNet. We need to use both versions of LabVIEW for some time on the same PC. Is this possible at all?
I installed an evaluation 2010 version and now I don't have DAQ and DeviceNet in LabVIEW 7.1. Any suggestions will be very helpful.
Thanks, Nick
Solved!
Go to Solution.

For what it is worth, I tried having multiple versions of LabVIEW on the same PC. If you are (very) careful, it is possible to do so, as long as you are only doing development work, i.e. you don't try and install LabVIEW drivers. However, as I've discovered to my great sorrow (which involved installing and removing various versions of LabVIEW on the same machine probably 5-8 times, eventually leading to wiping the machine and installing WinXP all over again, then only one version of LabVIEW), if you want to actually run your code, particularly if it does anything with hardware, you need to stick to one version!
There's another "gotcha" for those of us working with "older" versions (namely before 2009, though one can "trick" 8.6 if you're careful) -- Windows 7 doesn't "play well" with the older software!
So my development machine runs Windows 7. I have a VM of Windows XP in which I installed LabVIEW 7, which I use for my "legacy" work -- I use the Win 7 machine for LabVIEW 8.6, 2009, and 2010 development (and only development, see above).
The machine that got "rebuilt", where I wanted to run LabVIEW code for various hardware and potentially various LabVIEW versions, I did a really nutty thing -- I created a quadruple-boot PC! (It really is a triple-booter, as the Windows 7 system, which is the key step, is "hidden"). To make this work properly, I needed three hard drives in the machine (one for each OS -- I might have figured out how to put two XPs on a single drive, but since I already had the disks, one-OS-per-disk seemed easier). I'm using Windows 7's Boot Loader to give me the startup choice of which system to use (the message says something like "System for Hardware A", "System for Hardware B", "Test System"). True, you need to do a Restart, but since you're going to be collecting data, it's not such a bad idea to start with a "fresh machine".
[I did think about doing this with Virtual Machines, which would have been much simpler, but I didn't have "virtual drivers" for the hardware! One piece was actually a USB device, but the other was a proprietary device that plugged into my PC ...]

Can i use labview to capture and process images from ip cameras connected to a switch.

Hi,
i have more then one ip cameras conneted in LAN by a switch. i have a PC conneted to same switch. is it possible to capture images from these ip cameras and process them(for example performing simple barcode scan or QR-code scan or OCR)? Which IP cameras will be supported?

There is functionally no difference whether the camera is connected directly to the system or via a switch. Both should work the same. The only real requirement that you'd need to care about is whether the switch can pass multicast UDP traffic correctly (this is used for network discovery of IP cameras). Generally all unmanaged switches (probably what you are using) will treat multicast traffic identical to broadcast traffic, but some managed switches/routers may need to be configured to pass multicast.
Eric

I am using LABview 5.0 and I am having difficulty with running EXCEL 2000 and my macros after I build an application.

Excel opens and runs the macros correctly in my development programme, but when I build an application and try to run it, Excel opens but does not put the data into the cells or run the macros. Excel opens and runs the macros correctly in my development programme, but when I build an application and try to run it, Excel opens but does not put the data into the cells or run the macros.
The error message is 'Object is not registered in set cell value.vi code-2147220997
I stress that it all works OK until the application is built. Set cell value.vi was downloaded from this site. I am using Windows 98.
Any help would be appreciated.

Be sure you have your Excel activex controls properly registered in your system, there are lots of activex registerers in the web. If this does not work, look at set cell value vi and check for invalid refnums. If even this fails, i'd try reinstalling app builder, but be sure you install it before any LV update (for example 5.0.1f1) unless you want problems like i had with Excel built examples. You can also send an example, and see if i can fix it, but i don't have excel 2000 (only 97) so i don't know if i can do anything else.
Hope this helps

Need help using LabVIEW 7.1 and data socket to transfer images

I need help transferring images across a company network using: LV 7.1, IMAQ 3.0 and a PCI 1407 image aquisition card. I am trying to use datasocket to transfer video image across a company network. I have attached sample vis. Thanks in advance for your help.
I. Cyr
Attachments:
Vibration Chamber Vision_Cyr.llb ‏129 KB

Hello –
Something that you need to consider is the fact that when you are sending an image over Data Socket, it is not really the image what is being transferred but a pointer to the image. Please take a look into this Knowledgebase.
Also, you might find this Example Program useful.
Hope this helps.
S Vences
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National Instruments

LabVIEW 8.5 and building executable (using fxs from Advanced Signal Processing Toolkit)

Hello out there to NI and Gavin:
For for building an executable using LabVIEW 8.5 and functions from the
Advanced Signal Processing toolkit, do we still need to manually copy the
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within a build file for automatic installation to the target
installation?
Thanks,
Don

Hi Don,
I imagine that any improvements made to steps required to build an executable using toolkit-specific vi's would be inherent of the toolkit itself. Meaning, I imagine the inconvenience you experienced would be eliminated with the next release of the Advanced Signal Processing Toolkit.
Cheers,
Emilie K. | Applications Engineer

Is there a way to hide and unhide specific files programmatically using Labview?

I writing an application that produces 3 binary data files and I want the user to only see 1 of the 3 files.
I'm using Labview 6.1 and windows 2000.

You can use System Exec.vi to call attrib.exe. Atrrib.exe is a command prompt program (left over from the DOS days) which can be used to read or set file attributes (including hidden).
A sample command line passed to System Exec.vi follows.
attrib +h "C:\My Documents\My File.bin"
The quotes around the file name are required if the path or file name doesn't follow the old DOS 8.3 format.
To hide a file, use the +h option. To unhide a file, use -h.
The limitation of using this approach is that the Windows Explorer can be set to display hidden files. You might want to put the hidden files in another directory.

Why the time and date is not correct when I save a waveform in txt format, using Labview 6.1?

I am using Labview 6.1 and my operation system is Windows 98. The date/time properties is configured in the Windows (time and date in the control panel is correct). I generated a waveform using Basic Function Generator.vi and saved this using the Export Waveforms to Spreadsheet File.vi. When I opened this file the date and time was wrong. Only the delta t was correct and it did not show the date neither the time, only a float number. How can I adjust the correct time?

Actually, the date/time is correct, it is expressed as seconds since January 01, 1904.
In order to print the string version of the date/time from your file, you will need to write a utility that converts the date/time to a string or series of strings in whatever format you wish. This can be done by reading the first line (I assume that is the line with the time on it), formatting the date/time into a string, and writing over this information in the file.
The waveform VIs were meant to be used internally to read and write waveform data. Any use beyond that should require you to add formatting and other information/data as necessary.

Using multiple motion driver versions on one system...(with Labview 6.1 and Labview 8.0)

Using Labview 6.1 and Labview 8.0 on same PC computer (my development system).
Labview 8.0 applications, I would want to use the motion 7.x drivers
Labview 6.1 applications, I want to use motion 6.x drivers
(Of course, Labview 6.1 can not use motion 7.x drivers).
When I installed Labview 8.0 and motion 7.x drivers, it removed my motion 6.1
drivers (and all the vi's) and installed motion 7.x drivers (with vi's).
Of course, Labview 6.1 applications can not run with motion 7.x drivers.
How can I keep my Labview 6.1 applications running and building
with motion 6.x drivers while still having Labview 8.0 applications
with motion 7.x drivers (all on the same system).
And then, of course, the executables, on other systems with the 6.x and 7.x drivers.

Unfortunately there is no way to install multiple versions of a
hardware driver on a single operating system. This is not only true for
NI Motion but for any type of peripheral hardware. Windows can only
assign a single driver to a specific piece of hardware.
From my point of view the best solution would be to upgrade your
LabVIEW 6.1 application to LabVIEW 8.0. If this is not possible for
some reason you could install a second Windows on another harddrive or
partition and install LabVIEW 6.1 and NI-Motion 6.x on this system and
LabVIEW 8.0 and NI-Motion 7.x on the other one.
Best regards,
Jochen Klier
National Instruments Germany

Is there any one knows how to use labview 6.0 to make a "continue" function like the one in C language?

I am using labview 6.0 and i like to know is there any one knows how to stop the current iteration in while loop or for loop and continue to do the next iteration,just like the "continue" statement in C or C++ language?

Simple test here in LV6 confims that you can't do this. Not in a useful
sense anyway. "Stop" doesn't stop execution simply of the current VI, it
also kills all VIs above it. It would hence be difficult to argue that this
approach is in any way similar to "continue".
What version of Labview have you tested this on and can you post a
demonstration?
Craig Graham
Physicist/Labview Programmer
Lancaster University, UK
"Oleg" wrote in message
news:506500000005000000E45B0000-1011517314000@exchange.ni.com...
> Hi,
> you can orginize all the inner actions of your while loop into the
> SubVI. Then use the Functios/Application Control/Stop.vi in this SubVI
> to stop the current interation in any point you want. This will stop
> your SubVI and yo
u will automatically goto the next iteration in your
> while loop.

Use labview 7.10 and 8.6

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