But if you don't know what will be loaded by your user later on...? I
am working with a situation where users can link in their own VIs
dynamically.
At 12:52 AM -0500 3/23/04, Michael Aivaliotis wrote:
Andrew,
When building an app, you must specify dynamic VI's with the "add
dynamic VI" button
Andrew,
When building an app, you must specify dynamic VI's with the "add
dynamic VI" button in the application builder. This triggers the app
builder to include any related DLL's or extra VI's... NO?
Michael Aivaliotis
> Now, what happens when your application loads a VI dynamically... and
> i
Normally, when making an executable, LabView will copy any DLLs that
the linked subVIs required to a data directory that can reside next
to the executable. This is fine, thank you NI.
Now, what happens when your application loads a VI dynamically... and
it needs a DLL? The load will fail unless
As PJM Labview already knows there has been a special forum setup for
related discussions on LabVIEW Scripting. PJM has also kickstarted the
discussions there by posting some bonus code. I invite all who are
interested in playing with these new discoveries to join in on the fun
here:
http://forums
Without further details, it's almost impossible to provide anything
useful here.
However, I think the relevant topic is reentrant VIs, or reentrancy in
LabVIEW. I would suggest reading the "Simultaneously Calling SubVIs
from Multiple Places" section of Application Note 114 in the DevZone:
http:/
Friends
I am writing a data link to communicate between a PC running LV 6.0.2 and an
industrial computer. The link on RS232C will run @ 9600 baud and the
throughput is such that I'm using 1/4 to 1/3 of capacity. The industrial
computer sends the data and has a 500 byte buffer each for send and rece
Sorry, like I said, im fairly new to this also and im out of ideas.
Perhaps you should repost your question and stipulate the version of
VI that you using.
Tristan J <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>...
> John,
> Unfortunately Labview does not offer the support to directly control a
> second display device. I would recommend using the dual monitor
> configuration and letting the operating system control what image is
> disp
Ben <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>...
> Hi Bill,
>
> Have you concidered using the microphone input?
>
> That will let you do analog in on most PCs.
>
> Still trying to help you get started.
>
> Ben
The game port also provides analog input potential.
COM Ports have had problems in pc's ever since IBM's Peanut. Correct
use depends on RS232 parallel communications as well as serial
communications. UARTS, the IC's that provide serial connectivity, can
lock up in ways that require power-on resets. Very few serial devices
use the RS232 handshakin
Dennis Knutson <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>...
> I'm not sure why you want to access the .bas files. There is no way to
> convert basic source code to LabVIEW. Some things like declarations,
> memory allocation, are not required in LabVIEW or are done for you by
> t
craigr54 <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>...
> Is it possible for my computer with LabVIEW installed on it to control
> a different computer booted only from a floppy (the floppy contains
> programs written in FOURTH used to test hard disk drives therefore the
> second
Dear list,
I have a multiplot XY graph. Is there a way to make all plots blink?
(the 'binking' property seems to work only for the 1st plot).
also, is there a way to change the line and point types of all the plots
using properties?
(again, I seemd to be able to do it only to the 1st plot).
thank
On 03/22/04 14:04:17, "Bookwalter, Dan" wrote:
> I would like to see Info-LabVIEW on a news (NNTP)
> server.
I sure hope this doesn't happen... I have tried and tried
to get our IT guys to open up NNTP for me. They simply
won't do it... I am sure there are many others in the
same situation
Hi,
has anyone used a USB-to-mulitiport RS232 adaptor with LV ?
i need up to 8 serial ports, or 2 of 4-ports.
thanks.
--
Timothy Wen
Applied Physic Lab/U of W
1013 NE 40th St., Seattle, WA 98105
206-543-1300 (Voice)/543-6785 (Fax)
This is exactly what I was looking for. Thank you for the info.
Michael Noll-Hussong wrote:
> In order to use USB-webcams with LabVIEW you might look here:
>
> http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RPAGEID=137&HOID=50650005002D5B0100&HTHREAD=88877&UCATEGORY_0=_4
Michael
I like your idea of the person asking the question to summarize the general
conclusions & alternatives in one final email (unless there were just 1 or 2
responses of course). I have done that sometimes and the response in my
"Sent Items" folder is there for me as a summary too.
R. Glenn G
Hi,
I've been trying to follow the suggestions. It looks like
two other, separate threads of a similar content have
started up. I may be duplicating some of their comments.
I'm not a big fan of mailing lists for a number of reasons.
Searching their contents is never a trivial task. Thre
All,
I'm looking for any information regarding the use of webcams with
Labview. I'd like to design a face recognition/motion detection type
vi. The sites I have found only provide sdk's for qualified developers.
Can anybody point me in the right direction for such information. I'm
u
Michael Porter
Porter Consulting, LLC.
" ... after all He's not a tame lion... "
I guess my vote would fall on the side of maintaining the basic
functionality the same (low-bandwidth). If somebody needs a way of posting
examples of code or such there are at least two other LabVIEW-specific
chan
GUys, thank you for your kind response.
I am running an HP 4284A precision capcitance voltage meter and a
keithley voltage control meter.
regarding posting of the actual code, I wonder if I can do that
because Labview programming in done in graphics mode (atleast dummys
like myself do it in grap
Use Number to Boolean array.
"jorge" <[EMAIL PROTECTED]> escreveu na mensagem
news:[EMAIL PROTECTED]
> Hello, I am very new to lab view 7 and I need to do the following for
> work. I am using the rs232 serial port on the computer to communicate
> with a prototype circuit. The communication is a
( Sorry in advance to all the international list reader who probably won't
get this joke, but... )
I heard a rumor somewhere that there are many world leaders who have
privately told Michael A. that they hope he takes over the list...
Michael Porter
Porter Consulting, LLC.
" ... after all He's no
I think Scott & Michael and, if necessary, a few of the main contributors to
the list should get together (electronically) & decide who will take over
the list. We need to make sure there's just 1 list.
R. Glenn Givens P.Eng.
Innovention Industries Inc.
Burlington, ON, Canada
www.innovin.com
The answer to your question depends on the database you're inserting into.
For example, you can pass data to Oracle in any format you want as long as
you tell it what the format is (and I would suspect that other DBMS are
similar--though the particulars may vary).
Assuming a table called "blah" wi
At 2:51 PM -0500 3/17/04, [EMAIL PROTECTED] wrote:
>Let's have election! Primary?? It is fun:)
>
I'm from Florida, so I'll count the votes! Kathy Harris taught me how to do it!
-Scott
To paraphrase the old movie...
"...I'm ba-a-a-ck..."
Things have been crazy in my world the last year and am just now getting
back to getting reconnected to the list (not sure how I got off, perhaps an
email weirdity).
In any case, the guy with the tag line about tame lions is back, and hoping
e
For port monitoring, look for portmon in google.
R. Glenn Givens P.Eng.
Innovention Industries Inc.
Burlington, ON, Canada
www.innovin.com
Ok, I will be public about this. I have offered to take over at least two of Tom's
lists and host them here at the lab using the same software that he uses to host them.
If Michael wants to do this that is fine, since I also use the Igor list I figured
that I could do this with the least disru
OK, my turn...
I believe that Michael Aivaliotis would be an excellent info-labview list
administrator. He has repeatedly demonstrated that he is technically capable
of this task through his management of the LAVA mailing lists, discussion
forums, and the NI Week Blog. I have found him to be
Mike,
Thanks for advice. I do apologize for the long delay before replying, but I've not
been in the office.
The frame grabber I have installed has no LabView wrappers to my knowledge.
Apparently, I need a NI grabber board for Vision Builder. With that in mind, I'll now
concentrate solely on
Russell,
Thanks for the reply. What I am trying to accomplish is creating a
test fixture with variable voltage ramp times of the +5VDC output of
my power supply... so yes, I am trying to create custom waveforms
using Labview. Any more expamples you have access to are greatly
appreciated.
Thanks A
HI genius people of Lab view,
Here is a situation that will test your wiz. A labview program that
was working fine in a slow computer--333MHz does not work in a 2.4GHz
computer. However, if I run it in diagnostics mode (ie with that
little light bulb on), then it works fine. I have tried putting de
Hi!
I need a nice and easy way to determine available COM-ports from my LabVIEW
application?
Best regards
Thomas Gajda Joergensen
YORK Marine & Controls
Hi Michael!
Thank you for your answer. I think I did not express myself clear enough so
I will rephrase my question:
How do I determine the available COM-port at runtime? I need to get a list
of available COM-port programatically (or what it is called in english)
Thomas
"MVestjens" <[EMAIL
I am new to LabView and am currently running 7.0 professional. I am
looking for guidance, reference design, etc. that will enable the
following:
1. Use of an HP (now Agilent) E3631A power supply
2. Control ramp times of +5V up to 500ms+
I have installed all the required drives and have establi
Don,
Unless you use a fixed-with font, any kludge you come up with will be
inexact. You may get pretty close to the actual width, but there will
always be times when you will over or under shoot the size.
And if you want to change font size, etc., you'll have to revisit your
algorithm or account f
Bruce
Thanks, I missed that the connection (bad pun). I tried your suggestion on
my test vi and it worked as you predicted. I will check carefully the write
function before I change anything.
Paul
--
Paul A. Rochefort
Chalk River Laboratories
AECL
---
Friends
How do I make individual elements of a Boolean array invisible or disabled
but not the entire array? I have LV6.0.2. I thought I did this a long time
ago but can't find it.
R. Glenn Givens P.Eng.
Innovention Industries Inc.
Burlington, ON, Canada
www.innovin.com
I'm new to Labview and Imaq Vision, in fact, they were installed only a few hours ago.
I won't bore you with the reasons why my company has purchased this software, but I'm
the one stuck with learning to use it.
Does anyone on this board know how to make Imaq Vision work with a non NI capture
c
> But what metric is used on the space of cost/risk/benefit? Of course,
> ultimate responsibility of the corporation to its owners means that
> cost/risk/benefit are all judged in terms of fiscal income. The argument
> that this is bad or good is irrelevant, but this is the standard against
>
> It may not be considered a bug, but it is a royal pain in the you know what!
> It essentially makes the ability to add color highlighting to changing text
> too difficult to be worth the effort in most cases. (in my opinion)
>
This is doable with the reference to the string and the string to
David,
In the odd case the software you're using is expecting full zero-padded
8-bit data (such as 00011001,1110, etc.) then use %08b as your format
string.
Regards,
Scott Menjoulet
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Scott Hannahs
Sent:
Mona
Here is a software port monitoring program for Windows. They also have file
monitor and registry monitor.
http://www.sysinternals.com/ntw2k/freeware/portmon.shtml
R. Glenn Givens P.Eng.
Innovention Industries Inc.
Burlington, ON, Canada
www.innovin.com
---
On
Hi
Is there anybody who has written a driver for MAC OSX10.2 for the
following cards
PCI-MIO-16XE-50 and DIO 96
Any help
Jürgen
GKSS research center
Jürgen Buhrz
Max-Planck-Str. 1
21502 Geesthacht
Germany
Tel. +49 (0)4152 87 2708
FAX +49 (0)4152 87 2727
Mail [EMAIL PROTECTED]
"George Gatling (Contractor)" <[EMAIL PROTECTED]> said:
I have a datasocket server (WinXP) that is currently handling six
labview applications (also WinXP) quite happily. I want to add one
more app, written in C and running on linux, that will publish to the
datasocket server. Being a simple l
Hi Dan,
I haven't used one of Thermotron's chambers yet but I know of others
that have. The website doesn't show the specs for the thermal shock
chambers but it's worth checking out. I use a piece of junk Blue M and
a 20+ yr old Ransco. What you're looking for is definitely top-shelf.
Expe
My problem is opening read-only files using the waveform file open vi. At
the heart of this vi in the "Open file" primitive with mode input set to 1
(open). When I try to open the file, I get the following error "Error 8
occurred at a Open File in Myvi". To confirm my assumption Open file
primit
How can I transfer data from an ActiveX Event Callback back to the main
program?
Regards
SDC
Where can I find an ActiveX Control to control a systray icon with labview?
Thanks.
Hi
Is there someone who has experience wit LabVIEW for PDA with iPAQ HP
5550 (Windows 2000)
My problem is that the emulator does not work
I have already installed the update for PDA
Any help
Jürgen
GKSS research center
Jürgen Buhrz
Max-Planck-Str. 1
21502 Geesthacht
Germany
Tel. +49 (0
Bret
You need to work out which direction your motion system is going. One easy
way is to create a while loop that reads the position periodically and loads
the value into a shift register. The direction is determined by comparing
latest measured position to the last value form the shift registe
Hi,
Since my machine was forcibly upgraded to Window's XP strange problems have been
occuring.
Sometimes when I launch a vi that lives, not on my local machine but on the network it
takes about
1-2 minutes for the vi to open. During that time if I use the Window's Task Manager
it says that La
Hi,
I'm wondering if its possible to index the data in an event structure. I want
to be able to click on a list of data and have each click write the data to an array.
Right now I have the event structure inside a while loop, that is indexing, and it
seems to work ok.
It would be nice to elimin
Hello,
I'm trying to read all file names from a directory into an array and then choose the
ones to process. The "List Directory" vi implies that it will do this but
I'm not having much luck.
The vi will produce a list of my available drives if I do not give it a path name.
Any hints on makin
Hi,
does anyone have a VI or DLL that can read PC (windows) time
to millisecs?
thanks.
--
Timothy Wen
Applied Physic Lab/U of W
1013 NE 40th St., Seattle, WA 98105
206-543-1300 (Voice)/543-6785 (Fax)
Well, I just couldn't resist. Sounds exciting, here it is:
http://forums.lavausergroup.org/index.php?showforum=29
Thank You
Michael Aivaliotis
http://forums.lavausergroup.org
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of PJ M
Sent: Monday, March 22, 2
Jim and all.
>Perhaps a LAVA discussion forum could be created for>the purpose of investigating these newly discovered Scripting toys. That>way the Advanced LabVIEW user-community could help provide basic>tech-support and documentation.
That sound like a great idea !
PJMDo you Yahoo!?
Yahoo!
I need to create a triangle wave that will be time-dependent. In
other words, if the time is between 00:00 (midnight) and 12:00 (noon)
I want my function (temperature) to increase linearly from the minimum
at 00:00 to the max at 12:00. Then, from 12:01 to 23:59 I want my
function (again temp) to
Olih,
I see that your test Y data was derived exactly from the function
you're "guessing" at here, so indeed your example should return the
exact values that you expect for a0, a1, and a2. (it does for me when
I run your test)
The answer almost certainly lies in the "Target Fnc & Deriv NonLin" V
Actually there is one more thing, I would like to lable the array, but
what I have read, and tried, if I change the label on one, they all
change. Could I have done the previous manipulation of address and
data using a cluster as the indicator, so that I could easily label
the indicators? Thanks.
Thanks to both of you. That is exactly what I was after, now I can
move on, hopefully I will not run into anymore problems, but if I do I
will know were to come for help, thanks guys.
See answer in the "Extracting numbers from a file" answer thread that
Ajit asked previously.
http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RPAGEID=135&HOID=506500080090C8&USEARCHCONTEXT_CATEGORY_0=_49_%24_6_&USEARCHCONTEXT_CATEGORY_S=0&UCATEGORY_0=_49_%24_6_&UCATEGORY_S=0
That's pretty cool, David! The possibilities really makes the mind wander
and wonder. I'd be interested in hearing about and seeing some examples of
other neat utilities people have been able to put together using these
"exposed privates". Perhaps a LAVA discussion forum could be created for
the
Mathis,
Refnums (especially VISA/DAQ/IVI refnums) are tricky. We'll work on
it. I have generated a feature request. You can track progress here:
http://sourceforge.net/tracker/index.php?func=detail&aid=921506&group_id=52435&atid=466835
Cheers,
-Jim
ARRGGGH!!! When I tried to open the first VI you posted, it
couldn't b/c it said that version 7 is newer than version 6.i. Now it
won't open the 6.1 VI b/c it says that 6.1 is newer than version
6.0!!!
So apparently I guess I need a version 6.0 VI???
I'm really sorry for the trouble! If you
As there is to be a handover of the list management, I believe that this
could also be a good time to upgrade the software so that we can have a
"running no" for the list - in this manner we can tell immediately if we are
missing any of the list, as sometimes they appear not to come through
(probab
I've been given someone else's FPGA vi. It contains a 32x16K memory
block sub vi and returns error code 6 when I try to compile it. I've
downloaded the extended memory files from ni, but I don't know what I
need to run to initialize this memory block. Do I need to create the
block from scratch or c
My computer doesn't have a parallel port, so I must use the USB port
and a USB-to-parallel adapter to communicate with my switch device.
Unfortunately in WindowsXP printer configure that show USB001 Virtual
printer for USB. How should I control my USB-to-Parallel converter to
send the Pin1 and Pin3
As you found out, you can't save the default values in run mode, because
that's an edit operation. You would be changing the way the VI is
stored on disk.
Even if it were possible, you might not want to store user values as
part of your source code. Whether or not you are not using formal
sou
Well, I would like to thank YOU Tom for setting up the info-lv in the
first place. I know it was a valuable resource for many first-time LV
users (like myself) way back when there was nothing else out there. I'm
glad the decision has been made and now we can all move on to talking
about the usual.
you are correct i was refering to labSQL.
I need to better understand how how to write the labview to connect. i
use mysql alot and the terms used from the labview side are not always
the same or are better known by a different term. ie. DSN for one
I have the latest odbc drivers including myodbc
Thanks.. kinda have gotten the feeling that Looout was the software of
Choice!! But, as this got dumped on my lap 2 years after we bought the
software, I'm trying to figure out a way to make this work, and
soemwhat easily for myself. I'll continue to look at the OPC item in
Lookout and see if I can
inhaler,
I still wasn't able to reproduce your situation regarding ActiveX
containers displaying with the wrong size. However, the problem has
been reported and is beening investigated. In the meantime it seems as
though this problem does not exsits when using LabVIEW 6.0 or 6.1.
This might not be
Hello Rod,
As you may have found out, the Zetron controllers use Modbus protocol
for communication. Your objective will be to establish a
communication between LabVIEW and the Zetron controllers using this
Modbus protocol.
There are several options for this:
1. The recommended solution is to u
Hi,
>From what you're saying, I understand that you'd like to use RPC calls
in LabVIEW to communicate with a VXI-11.2 compliant instrument via an
ethernet connection. If you're interested in doing such ethernet
communication, then you can install the appropriate VXI driver and use
LabVIEW VISA VI's
I'm not sure why you want to access the .bas files. There is no way to
convert basic source code to LabVIEW. Some things like declarations,
memory allocation, are not required in LabVIEW or are done for you by
the LabVIEW compiler. Constants, local and global variables, user
defined types in the fo
> - Original Message -
> From: "Reed, Christopher"
> <[EMAIL PROTECTED]>
> To: "LabVIEW Mailing List (E-mail)"
> <[EMAIL PROTECTED]>
> Sent: Monday, March 22, 2004 1:41 AM
> Subject: [W] Sentinel SupePro Automatic Protection
>
>
> Dear List,
> A while back there was some talk about using
Hello,
I=92m certain of what you mean when you say that =93the waveforms in
output have a delay equal to output buffer length=94. Do you mean that
the output waveform values should be changed and the buffer size
should stay the same size? Or do you want to add new waveform data to
the end of the
Daniel,
What you are seeing is expected and you were almost exactly right with
your formula. The DSA boards use a digital filter to remove frequency
components above Nyquist. This introduces what we call Filter Signal
Delay. This spec for the 4452 is 42 samples, so the formula is
actually:
(ti
First post here so be nice.
For several years I've used Visual Basic as the test platform for
production tests. In addition to the form code there are typically
several modules (.bas files) associated with a given project.
I'm attempting to prove to management that LabView is a better long
term
I'm using LabView 7.0 and I was wondering if anybody had developed a
BERT's generator and Detector using LabView 7.0. I will be using it
over a TCP/IP network.
Okay, then from one of your other answers, I understand that you don't
have the database connectivity toolkit and are having problems with a
free version. Is this LabSQL that you're trying? If so, what are help
do you need? Have you defined a DSN for connecting to the db? Do you
need help with the
Is it possible for my computer with LabVIEW installed on it to control
a different computer booted only from a floppy (the floppy contains
programs written in FOURTH used to test hard disk drives therefore the
second computer has no operating system) The hard disk drive being
tested is connected to
I am new to ActiveX, and have only found examples related to activeX
servers for Labview exe's. I would like to create the equivelent to an
Visual Basic ActiveX DLL. Is this possible?
Would you happen to have or know where i can find any examples of this
would you?
Hello Daniel,
I have a couple of questions regarding this problem.
1) What kind of signal are you using to trigger the counter and the
analog signal (Is this the pulse train that you referred to?)
2) Do you have the DSA device set as the master? The DSA device must
be set as the master for th
Well, folks, I'm stumped. This bug defies all logic and any attempt to kill it.
Here's the scenario:
Setup.vi launches Acquire.vi dynamically. Acquire.vi creates the
file Temp.dat which is used to store data until it can be safely
written to the final data file (time consuming scans are occurr
Thanks all for the pointers!
- CB
Conseils <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>...
> If you have a P.C with two serial ports or an old P.C.
>
> 1) Write a Labview application to 'simulate' the external device.
>
> or
>
> 2) Use the Terminal Program and load a text f
Sure, it is possible assuming that there is no shared resource between
them cannot be accessed concurrently.
Thank you dennis for the fast reply. Simply perfect!.
regards.
On the other server is a web page that will read a mysql db and post
the last 10 readings
You could use the get queue status to return the array of elements in
the queue then search the array then if found remove the elements you
wish to remove. The flush queue could be used to remove all items from
the queue then index the new array of information back into the queue.
The flush queue c
Thanks John,
It is ok. This was kind of a shot in the dark. I know that there has
been lots of questions about this concept in classes and on the
developer zone. I just wanted to help students understand and
contribute to the LV community the best I can. I do agree that the
posting is probably
Jean Pierre et all,
> I don't mean a public USENET newsgroup but maybe a private news server accessible > only to the list subscribers.
I like that idea.
PJM
Do you Yahoo!?
Yahoo! Finance Tax Center - File online. File on time.
Standard warning that anything "that we try to hide"
a) may or may not be supported in the next version of LV
b) probably has never been introduced to tech support so they won't be able
to help you
c) may break (read: crash) if used outside of very specific context.
Proceed on the theory that
> >I would like to see Info-LabVIEW on a news (NNTP) server.
>
> I sure hope this doesn't happen... I have tried and tried to get our IT guys
> to open up NNTP for me. They simply won't do it... I am sure there are many
> others in the same situation
>
Scott,
Would it be possible for th
Can I design my program to have nested event loops?
Hello,
As I understand it you=92ve basically got several subVIs which cause
Labview to crash (on two different PCs) when they load, regardless of
whether these subVIs are in an llb, etc. The only exception to this
is when you build an application using these VIs or you use your
splash screen prog
I need to enter text into an array in a specific order, so queues are
great for this, but I also need to remove specific text from the array
(that may be in the middle of the list or anywhere)thus I need a
search and remove for specific strings. Please help...
1 - 100 of 175 matches
Mail list logo