Re: Porblem in picking files with path and then save into a text file

Thank you for help. I still can not make it work. Problem 1: Timeout input is wired,but timeout event is not handled. Problem 2: I want select the file I have interest in, not all files in selected foldor.

Re: Error opening file:The file XXX.vi is not a VI. Select Another? Whats wrong?

Check the rights for your user on the computer. Right-click on the file and choose security settings. If you don't have full access, set it to full access, or have the administrator do it for you. I experience this a lot at work with some funny rights on network drives. LabVIEW likes reporting

Re: While loop in subVI

Thank you, that is exactly what I was asking. I will use the Execution Highlight mode, I didn't know this mode exists Thank you again!!

Re: close datasocket connection

Thank you Khalid. I tried doing this, but the problem was I can't pass the connection ID, because I haven't opened the connection. Finally I open and close the connection and works properly. One more question. It's necessary to open a connection for each variable in the datasocket server? Regards,

Re: create an application with Labview 7 express

so if I crate an instal software, and I use it on a computer (with haven't Labview), the soft install the run-time engine? and I can use my soft? or any other exe?

Re: Virtual memory

Ann, you asked on Tue, 15 Jun 2004 15:27:05 -0400: I get this message sometimes when I run my program: System is low on virtual memory Others have already given some hints on how to improve your program in order to avoid this message. If it is just a rare state it may well be worth just

Re: Wanted: #define

Hi Geoge and all When I need a some constant data that I'll never want to change, but like to use in different places of my code, I create a VI with the constant data on the diagram and connect it to a indicator. The indicator is then connected to the connector of the VI. When the VI is

daq 6024 + labview 7 + mac os x

hello out there, is it possible to use ni daq 6024 pcmcia with labview 7 on a powerbook with os 10.3.4 ? is the configuration like the same as on windows.. (eg messurment and automation tool) how can i change the card settings to 16 channels single ended ?? thanks and greetings from germany

Re: I have a problem. My VI is showing a error, but in the error list they say error = 0

Hello Luis i have seen this behaviour by myself after changing a StrictTypedef and save/closing it without Apply Changes. Maybe a Masscompile helps. greetings chris

I have a problem. My VI is showing a error, but in the error list they say error = 0

The arrow is broken, but the error list is clear. I can't see the error and I can't run the VI. Someone have some suggest?

Re: Error opening file:The file XXX.vi is not a VI. Select Another? Whats wrong?

Hi Adam after converting a vi with a higher texteditor to UNIX - Format i get the same message. i think the vi has been transferred via FTP in ASCII - Mode. well, do it once again, maybe it works ;-) greetings chris

selecting the appropriate product

I'm not familiar with any of NI products. I'm planning to develop an automation framework application which will perform automatic testing in the area of electrical validation. the framework should also store all data in a database and produce reports. the idea is to provide a set of tools for the

LabView compatibility with Visual Basic and Microsoft SQL Server.

Hello, i want to know if there is any compatibility problem between LabView 7 and Visual Basic or Microsoft SQL Server noted? We have programmed a software with LabView 7 that communicates with a hardware module over the serial port (VISA). Parallel runs a program from another customer, witch is

Transferring files between one PC to Another

i want to programatically copy one file one PC to other PC using TCP or Activex. how do i do it.

Re: Runtime for Windows XP embedded

Witch components are required?

Re: How can I fix error NI ServiceLocator is not running?

Solution : The NI Service Locator is a service that runs in the background of the operating system. This service enables the proper execution of several features including the LabVIEW Example Finder and some help options in LabVIEW. If this service is not running or is not running correctly, some

Re: I have a problem. My VI is showing a error, but in the error list they say error = 0

Thank you Chris. How do you have the solution?

Re: DDE in loop

Hi, I couldn't load it in my 5.0 version, the error says 'version of VI is newer than labVIEW version' Thanks for converting it, I think I will be ok going from the screen capture... Thanks for your help!

sub vi in main doesn't work but same sub as stand alone does work

Hi, I wrote a program to get measurement data out of the Hp8753 Network analyser. In this program there's a sub-vi where in the Network Analyser receives a query for the type of sweep. The command therefore is Linfreq? ,Logfreq? ... A lot of the time this subvi's keeps running (query in while

Re: How to build a big application with no difficulty? Smaller is easier than big one.

This is (IMHO) a fundamental question in computer programming. The discussion quickly enters into areas of Architecture, Development processes and so on. Since I'm not actually a trained Programmer (I'm a learned Programmer) I don't know what these all really mean. In my experience, it's

Re: Transferring files between one PC to Another

If you work in a windows network you just have to write or copy the file like on the local machine. You only have to use the network path instead of a local path. An other way is to use ftp upload, if you have the internet development toolkid. But I think the first methode is easier. Niko

Re: Trigger in a same step of sequence ...

Monsieur, Comme vous utilisez une seule et m=EAme carte, il ne peut pas y avoir de synchronisation entre vos 2 op=E9rations. L'armement de la g=E9n=E9ration sur DACOUT0, ne peut s'effectuer que lorsque la g=E9n=E9ration sur DACOUT1 est termin=E9. Aisni, vous aurez toujours une latence temporelle

RE: Info-LabVIEW Digest - 06/16/04

If anyone saves their previous posts- can someone forward me the various posts regarding the RTOS using a PC?? I deleted them and now I have a thought! Thanks so much, Shannon Hysell Siemens VDO

Re: Wanted: #define

George, You wrote: From my days as a C programmer (shudder) I have to say I do miss the #define... It seems to me that there was a discussion of #define here a couple of years ago, but I find nothing in my snippets collection. Maybe SearchVIEW will find it for you. and in another posting:

RE: SPAM - RE: Info-LabVIEW Digest - 06/16/04

You could try searching the Info-LabVIEW archives at http://www.searchview.net/ This site automatically archives the messages so they can searched. It has everything back to 1991. Ed Edwin O. Dickens - Certified LabVIEW Developer DISTek

changing local variable to read

Hi is there a possibility to change a group a local variable to read with more or less one click. or do I really have to change everyone separatedly? thanks for the answer. yves

Re: DLL and global variables

Maybe, you could insert your DLL in a subVI and do this VI reentrant ( File - VI Properties - Execution regards crisR

Re: Transferring files between one PC to Another

Perhaps this link can help: http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101RPAGEID=135HOID=506500080067D6UCATEGORY_0=_49_%24_6_UCATEGORY_S=0

VEE

I am looking for a object in Labview like gate object in VEE.

Re: How can i control the I2C bus with Labview

hello maibe I'm late but I found this, you got all information you need :) http://home.12move.nl/jh1996/ Regards Yves Prignon

Re: changing local variable to read

is there a possibility to change a group a local variable to read with more or less one click. or do I really have to change everyone separatedly? You change them separately. The next question might be -- how many locals are we talking about, and why are so many needed? What I'm getting at

Re: how to save my 3 channel data like this

Try attaching a picture again. You might be acquiring with waveforms and that might be whats causing the problem.

Analysis Support files

We normally build our install sets with a third party tool and to avoid having NI's name anywhere we include all files in that set. With LV7.1 it's no longer enough to just have the lvanlys.dll included if you use any of the analysis functions though - and the question is; do we really have to

dynamically resizing stacked plots depending on visibility of scale

Hi, is there a way to change plot width in a chart with stacked plots, depending on visibility of scales and number of digits of scales _and_ without resizing width of the chart when all scales are invisible? The problem: when all scales are invisible and the number of digits increases, the

Re: Error opening file:The file XXX.vi is not a VI. Select Another? Whats wrong?

I assume that they were saved as LabVIEW 6.0.2 files, since that is the only version on the computer. I could not copy the files over a network to a different computer that has LabVIEW 7 on it, and I don't have an older version of LABVIEW. I am not sure what you mean by dragging something on the

Re: How to build a big application with no difficulty? Smaller is easier than big one.

I agree with Shane. I also am a graduate of the school of hard knocks. At first your question How to build a big application with no difficulty? may sound like a contradiction but it is not. I suggest you contact the closest CLA (Certified LabVIEW Architect, NO I am not a CLA!) in your area and

Re: changing local variable to read

If you really need a lot of local variables, think about putting the controls or indicators in clusters together. this could be esier to handle the variables. Niko Yves wrote: Hi is there a possibility to change a group a local variable to read with more or less one click. or do I really

Re: synch e-series AI with Digitizer on first pulse of pulse train from E-serires Counter

Thank you very much! Im going to be working on getting that all set up today so I will let you know how it turns out. -Mark

Display entire text file w/ tabs intact

My vi records data in a tab-delimited format (with headers). I would like to make the text file appear on the screen when execution completes. One option is to launch an external viewer such as Wordpad or Notepad: how is this done? Another option (that I have attempted) is to write a subvi that

Re: Transferring files between one PC to Another

Can you just use the Copy function? It's on the File I/OAdvanced File Functions palette.

Re: selecting the appropriate product

Avihay, It sound like you might be looking for something like TestStand. From the TestStand website: Develop automated tests 75% faster with ready-to-run, customizable test management environment Eliminate programming of common test executive tasks Reuse code written in LabVIEW, LabWindows/CVI,

Re: system low on virtual memory

Hi Ann, You have received a lot of suggestions but no one has asked how much physical memory is in your machine. Without knowing the detials of your app, I will say that if you are using 512M you may not have enough memory. Depending on the numbers involved, even 512M may not be enough. Trying

Re: create an application with Labview 7 express

Yes. The installer creation is the last tab on the app builder. You go there and select the Create Installer box. The run-time engine is installed by default - click the Advanced button. If your exe doesn't require any other drivers, then that's all you need to do. Other drivers might be NI-DAQ,

Re: Virtual memory

At 9:46 +0200 6/16/04, Uwe Frenz wrote: Ann, you asked on Tue, 15 Jun 2004 15:27:05 -0400: I get this message sometimes when I run my program: System is low on virtual memory If it is just a rare state it may well be worth just to increase the systems virtual memory. This can be done by

RE: Virtual memory

I get this message sometimes when I run my program: System is low on virtual memory A friend of mine was getting these warning messages. I looked at his virtual memory setting (Windows 2000 pro) and it was way too low. 100mb or so. I increased it to about 700mb and that stopped the

Re: API's drivers

Hmm. You're right that we often use those terms interchangeably. Technically, the driver is the piece of code that runs in the operating system kernel that does the low-level programming of the I/O hardware. This low-level programming is somewhat complicated, so we create a higher-level

Re: Creating reference of a subpanel to pass to a subvi

In LabVIEW 7.0, on the front panel, popup on the frame of the subpanel control and select Create Reference. It will create a reference for the subpanel. you can then create control from this and place that on your subVI. I haven't actually tried to use one, but I did notice that it does create

Re: Newbie needs help : scripting I/O Assistant possible ?

Peter - to answer your question, the I/O Assistant does not script pseudo-code to an ASCII file. However, hopefully I can still help you. You say I guess I am supposed to write my own ones with VISA but C is still beyond my capabilities - I wanted to make sure you understand that you can use

Re: How to build a big application with no difficulty? Smaller is easier than big one.

What kind of errors are you seeing? What do you mean by stability? Does the program actually crash? There are actually two quite different issues involved: (1) Code design, maintenance and management: Shane and Ben already gave excellent answers for that. (2) Code performance and stability:

Re: Adding my Ethernet Connection in MAX

I think I'm confused about what you are trying to do. Usually, you configure remote devices you want to talk to. For example, if I have an Ethernet-based Tektronix TDS 3054B scope that I want to talk to, I can set up a VISA alias for its IP address (e.g., TCPIP::128.129.130.131::INSTR, for a

Re: Newbie needs help : scripting I/O Assistant possible ?

Since you are just getting started with LabVIEW, I will assume that you have a fairly new version. LabVIEW 7.0 had an Express VI called the Instrument I/O Assistant. You mention the I/O Assistant in your post. You mention that you have used this to control your instrument. If you have and then

init/cont on filtering VIs

Hello, I have a question regarding the use of the init/cont input on some of filtering VIs. I understand that this function will save the internal state of the filter be used again when filtering a continuation of the same signal. But suppose I use this VI in serval

RE: Info-LabVIEW Digest - 06/16/04

At 8:04 -0400 6/16/04, Hysell Shannon wrote: If anyone saves their previous posts- can someone forward me the various posts regarding the RTOS using a PC?? I deleted them and now I have a thought! You can search for any previous posting at Brian Renken's EXCELLENT search engine.

Re: Wanted: #define

I think that the combo text box and the non-sequencial ring would make good symbolic constants on the diagram, allowing to display an item label and outputting a constant value with smaller footprint than a global. Unfortunately, in LV7 such diagram constants do NOT update from their typedef,

Re[2]: Virtual memory

Scott, OK, this is becoming a detailled discussion, but here it goes: Scott Hannahs schrieb: At 9:46 +0200 6/16/04, Uwe Frenz wrote: ... System is low on virtual memory If it is just a rare state it may well be worth just to increase the systems virtual memory. This can be done by

Re: VEE

Since the number of VEE users is pretty small in the first place and the number of LabVIEW users that have experience with it is even smaller, can you explain to all of us LabVIEW users what the gate object is?

Re: Display entire text file w/ tabs intact

String indicators don't convert tabs to spaces, they just display them the same because there is no way to set tab positions in string indicators (set the indicator to display \codes, to see that tab (\t)characters are still there). An alternative would be to use a table indicator. Color the grid

Re: init/cont on filtering VIs

Thank You, that was the exact answer I was looking for. I was just unsure of the re-entrant factor. Excellent!!!

Re: close datasocket connection

Yes. As I know, you have to create it for each item in the datasocket server crisR

Re: init/cont on filtering VIs

The VIs you are using are re-entrant and that means that each instance you drop on your block diagram keeps track of its own state. So as long as you are using one sub-VI per filter you shouldn't have any problem. This situation is the one you describe in your question. However if you instead

Re: Newbie needs help : scripting I/O Assistant possible ?

You do not need C to use VISA. You use only LabVIEW functions. You can also use the I/O Assistant function in several places in your diagram as sort of a stand-in for a regular driver - especially for setting an instrument to default values. Creating your own driver is not really that hard and

Re: how to save changes to downloaded instrument driver

It looks like this is a driver that Tektronix wrote and donated to the Instrument Driver library. The VIs on the palette are a mix of examples and instrument driver VIs, and the examples hard-code the GPIB address. (The instrument driver VIs have the white background on the icon, and the

Motor Signature Analysis [all]

Hello All, I am coming up the curve on doing condition assessment on motors by analyzing the modulation of the AC power source caused by the elements of a running motor; that is, defects within the motor modulate the current. In its simplest form, this involves doing a spectral analyis on both

Re: Adding my Ethernet Connection in MAX

Russ: If what you're trying to do is make the VISA resource appear in the drop-down list in the VISA I/O refnum control, then you need to set this up in MAX. Right-click on DevicesInterfaces and create a new VISA TCPIP resource, and give it an alias. Then it will show up in LabVIEW. Is that

We have an NI GPIB card connected with HP3852A dat...

We have an NI GPIB card connected with HP3852A dat acquisition and control unit. The driver software for HP3852A available from ni web site does not include DLL files nedded by Labview. Do you have an idea how to proceed with Labview programming of HP3852A Windows2000, GPIB, HP3852A, Lbview

Re: Display entire text file w/ tabs intact

I think that the table is really the best way to go. Instead of using Read Characters From File, use the Read from Spreadsheet with a tab as a delimiter. There are instructions the diagram on how to modify the Read from Spreadsheet to return strings so all you would have to do is wire the output

Need to control 2 Windows Media Players simultaneously!!

Hi to all, I am using LV 7 and included two Media Player ActiveX controls to my vi. Now I want to control them simultaneously, like Master Slave. If I start one of them the other should start too. The same should happen if I use the track bar. Does anyone has an idea? Thanks, Henning

Re: Porblem in picking files with path and then save into a text file

brYou should add a Timeout event to solve problem 1. Anyways, what Altenbach suggests is indeed the right thing to do. Waiting for the right file to come up and then clicking it within 3 seconds does sound like a video game!! Regards, iKhalid/ibr

Re: Display entire text file w/ tabs intact

I think that the table is really the best way to go. Instead of using Read Characters From File, use the Read from Spreadsheet with a tab as a delimiter. There are instructions the diagram on how to modify the Read from Spreadsheet to return strings so all you would have to do is wire the output

Re: synch e-series AI with Digitizer on first pulse of pulse train from E-serires Counter

I belive I have everyhting up and running properly, but, as always, I have another thing I need to watch, another DAQ AI channel, not just one, but two, simultaneously. Ill be working around with it trying to get it set up. Let me know if you have any pointers. Thanks again! -Mark

Software package?

I am trying to research some kind of pre-canned software package for inspection that has the name Lighthouse or Litehouse. That is ALL the information I have on it. It may or may not have been written in G. But I thought I would ping the list to see if anyone has a direction to point me in.

Re: Software package?

You will probably get plenty of responses. The package is not lighthouse but rather Lookout and has a lighthouse on the cover of the box. It is a product made by National Instruments for HMI/SCADA applications. You can find more information at:

Re: GRASS S44 Stimulator Driver

George, I'm not aware of any LabVIEW instrument drivers for Grass Stimulators. You can try contacting them to see if they have any LabVIEW code available. Sometimes vendors will have LabVIEW code that is not available on their website because it is not of release quality, but this code can

Re: We have an NI GPIB card connected with HP3852A dat...

Did you download the LabVIEW or CVI driver? I didn't check every function but the ones I did were pure G code and no DLLs are required. The LabVIEW driver is located A href=http://zone.ni.com/idnet97.nsf/9b2b33e1993d877786256436006ec498/8452df63d097adc1862568ab005fbc79?OpenDocument;here/A.

Re: Error opening file:The file XXX.vi is not a VI. Select Another? Whats wrong?

If I right click on the file, I don't see any security settings in the properties menu. I appear to have full access to the folder that it is in, but this may be because there are other files that I can access in the folder. Have you worked around this problem any other way? Thanks for your

Re: processing of aquired signal during aquisition (arrays?)

Thanks, lanW. In fact, I tried to use the shift register, but results are same as if no shift register used. I checked it by wiring two index array icons with different indexes to the output of my build array - they give zero values - I monitor it by attaching indicators to the index array icons.

Re: create an application with Labview 7 express

thanks !!

Re: system low on virtual memory

Hello, As you try to improve the memory usage and performance of your VI, you might benefit from the below resources: a href=http://zone.ni.com/devzone/learningcenter.nsf/03f7c60f17aad210862567a90054a26c/1b36040af878870786256cbc006fe314?OpenDocument;Optimizing VI Performance/a a

Instrument Drivers

Wire folk; Does anyone have a Boonton 4400A Peak Power Meter Instrument Driver? The Boonton Web Site is useless, and the Driver doesn't show up on the NI Instrument Driver Network. I have seen an old driver for this at one time, but I cannot remember where it was, and I cannot find it again.

Re: Wanted: #define

Rather than use a global I would prefer to place all the parameters as constants on one block diagram. You can bundle them and output from the VI as a single cluster; then you can Unbundle by Name which makes the using code very readable. If you need to change a parameter you can simply type

newbie to LV -any examples on using the error cluster for...

newbie to LV -any examples on using the error cluster for own vi's eg using formula node with a division , and create error on div by 0 Cant find any examples of creating own error trapping in Vi's

Re: How can I easily step through Matrix Combinations in Labview 7.1?

I agree. I cannot find a combination or permuation way to manipulate the matrix to get the expected outcomes. An example will be exreemly helpful.

Re: Error opening file:The file XXX.vi is not a VI. Select Another? Whats wrong?

Right-click and select properties. Then select the tab for security settings. I'm assuming Win2k or WinXP. And there is no workaround as far as I know. Shane.

Re: system low on virtual memory

Hi Ben, I have 1G so that should be sufficient for LabView, shouldn't it? I checked everywhere for closing references, so nothing is left hanging. I used a lot of property nodes, but I don't think property nodes take up memory space. I think it might be the huge array that I keep looping around

Re: system low on virtual memory

There you are! Could you post your code for us to look at? The Enthusiasts here on the Exchange could probably nail this for you if we had something to look at. Otherwise we will be playing a game of 50 questions and may still not get there. I will watch for your posting! By the way, is that

Re: system low on virtual memory

Adding to the above You may be correct re:the array but with visual aides we may be able to suggest cleaner appraoches. This reminds me of one of Rolf K's quotes which was, Once your physical memory is used up by a single shift register storage, your application is probably going to ...

Re: Can't use the Measurement Automation Explorer in the dl eval version

Unfortunately, there is no MAX eval version. However, I just tested this issue and the full error message is Measurement Automation Explorer or the Instrument I/O Assistant is not installed correctly. Please install these from the LabVIEW Driver CD. Installing DAQmx, as described before, should

Re: Why cant I acced to all parameters of my simulink model with SIT?

Some model parameters may be accessible in the connection manager and may be tunable in the desktop simulation case (i.e. when the model is running in Simulink) but NOT tunable in the real-time code. This results from how the Mathwork's Realtime Workshop generates its C code. Generally, parameters

Re: mozilla

Emiliano, I had similar problems with Mozilla, but I was able to get past them here (Mozilla 1.7, LabVIEW 7.0). I think most Mozilla/remote panel problems (assuming you've got a fairly recent version of Mozilla) are probably caused by the run-time installer not placing the proper DLL in the

RE: Wanted: #define

right, wrong, or indifferent, I have used this technique for at least 5 years. with no issues. Rick M -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Allen Weekley Sent: Wednesday, June 16, 2004 12:04 PM To: Info LabVIEW Mailing List Subject: Re: Wanted:

Windows API vis

Hi. I am new to this list, so if this question has been asked before, please point me to the previous discussion. I am an experienced labview programmer and I would like to write a vi to do the following: 1. List the tasks that are running in windows XP. ( I can do this with Get Task

another IMAQ Vision feature ?

Hi there, it seems I am the only user of the IMAQ Visoin toolkit around the block, if I trust the feedback received to my recent posts. Anyway, I noticed the following: I create an image structure and wire it to an image indicator. Meanwhile, I map/unmap the image and do something to the image

why do i get a dll initialization failed error?

when i attempt to open a .vi in labview 7.0 on windows XP, it opens with a dll initialization failed error for the lvdaq.dll file.

Re: processing of aquired signal during aquisition (arrays?)

It's hard to see where you are going wrong, maybe you could attach your program or an example which demonstrates your problem.

Error BFFF0072 or -1073807246, when trying to open VISA session

When I am trying to start a VISA session (my path is MAXDevicesInterfacesCOM1) I am told that The resource is valid, but VISA cannot currently access it. What does this mean? Should I do anything, or just wait? I get error BFFF0072 or -1073807246. Thanks!

Re: another IMAQ Vision feature ?

Xavier; I noticed that most of the time, your questions are not clear and there is not much that some one can understand what are you saying and what do you want!! Most of the time, people don't bother to answer at all! Any how you said: I create an image structure and wire it to an image

Re: system low on virtual memory

My code is very big so it will be a little bit inconvenience to send it. I have a lot of sub-VI, my computer has 126 MB of RAM, 192 MB of visual aid, and 10 GB of hard drive, but only 1.46 GB is available. My program is a main program that calls sub-VIs to do tests. When my input is 1/3 of the

Re: chart y axes overlap

I am having problems similar to the one reported here and even by using the method in the vi provided to eliminate the scaling problem, I find it to still exist on my machine. For our program to run effectively we need to be able to add and remove scales at run time. Do you know if Labview 7.1

Re: multithread

Can you please explain what you want LabVIEW to do? The structure in the excel sheet can be most closely implemented with a tree. Or do you want LabVIEW to control the excel worksheet? Or do you want help with writing a multithreaded app in LabVIEW. (It is automatic by the way)?

Re: mozilla

Boy, I'm not reading very well these days. So, Emiliano, I guess you tried this exact thing to no avail--what version of Mozilla are you on? And you're certain that the version of the LabVIEW run-time DLL you copied into the Mozilla plugins directory matched the LabVIEW version of the VI in

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