I am wondering how to talk to my linescan camera that is going to be
hooked up via the serial port. Right now the camera (Kodak KLI 2113)
is hooked up to the IMAQ board inside of my computer (PCI-1424), but I
need to bypass that all together and talk to the camera through my
serial port. Any
I think of two problems that you could have :
- Check if the button pause is black and not red when clicking the run
button. If this button is red then it means that you want LabView to
run in step mode.
- If the problem is not there check if you have no breakpoints
anywhere. LabView can check for
Hi,
thanks, that hint at least reduced the effort as I don't have to set
the scale min/max values every time.
Regards
Matthias
Hi Luca,
Thank you for your reaction.
This is what I was looking for.
Richard.
Hi,
Many many thanks...
Only problem is we have LV 6.1... ain't running!
:-(
[]'s
Erick
One other detail to think about.
Are you intending to use this code for internal use only? If so, then why
should anyone care how you get your code? I work for a large defense
contractor as well, and no one seems to mind as long as I get the job done and
actually have all the source. (although
Hi,
I want to classify many data files to some new folders according to
the value of the 23th byte in a data file.the value is between 01 to
08,which the new folder name will be.How can I create new folders and
how I operate the data files in labview6.0?
Scott Remington [EMAIL PROTECTED] said:
Jason Hobbs and
Vesna Jadric @ NI were able to make the older LV6.1 vi's available once
again at NI's ftp site ftp://ftp.ni.com/outgoing/. They are called ID
Templates 6.1.zip.
(...)
Because there have been a lot of complaints by users concerning the
Materiel
lab view 7 and nidaq driver and card pci-6602
probleme:
I try to feign differents signals which are not periodic and who are
all synchronized (t0) for it I use example mutiple counters with
phase , but I don't arrive synchronized with a gate (I bring in
a outside signal on her(it)
Hello Matthias,
did you solve the problem?
Oh!
I can't believe the work u had and time u spent with this VI!
Sure u work for NI and your boss obligated u to help me! :-)
Send me his email so I can tell him good things about u.
Merci...
Je suis vraiment choqu=E9...
(I've been learning french for the last 2 minutes.. with the help of
I'm happy that my work was what you were trying to do. I hope I didn't
change the way your VI worked previously.
I'm currently doing a training period (3 months to go) in Toulouse
(France) but if you've got work for me ... :-)
Regards,
Julien
Ich habe eine meine VI gelockt ohne Password, und gespeichert. Will
etwas =E4ndern aber unter VI Properties kann ich nicht wieder unlocken.
Was kann ich jetz tu ?
Hi Dennis,
Thanks - already got this, but was worried about driver
incompatibilities due to my sheer lack of knowledge. (I recall that
Anritsu said it'd *probably* be OK, but minus the more exotic and
hopefully less-used features!)
My problem is that I'd hate it if the job I need to do drags on
At 3:16 PM +0100 4/14/04, Craig Graham wrote:
...When looking at things that I've downloaded or have been sent
through email,
I sometimes get a dialog popping up warning me that certain files were
loaded from a different path than they were expected to be at. I've never
bothered looking into it
Hello there
is there a way to get the x-value of the first or last element in the
history-data of a chart? I can retrieve the offset of the chart and
the left an right borders of the visible range. as long as the
history-buffer is not full i can calculate the x-value of the last
element using
Nevermind, I'll be happy to help you again if you've got more
questions.
Regards,
Julien
Subject: Re: How to talk my company into allowing OpenG usage?
From: Jim Kring [EMAIL PROTECTED]
Date: Wed, 14 Apr 2004 17:11:49 -0700
PS - Have you read your NI Software License Agreement lately? Is your
application authorized and will it be authorized tomorrow? OK, gotta
run... I
I try to open an Interbase File with Lab7 and the SQL ToolkitVIEW
If I'm not missing something, your diagram will try and create a
folder whose name is a single character, equal to the value of the
23rd byte in the data file. Since 1 through 8 aren't printable ASCII
characters, I guess this might not work, and I assume the poster
actually wants the folders to be
The correct property to use is Value. It's as simple as this. Wire
the two Values together and you will have what you want.
Hope this helps !
Julien
Do you mean acquire the trigger and the data together, view both on
the same graph and compare them and compare scans acquired in their
written form? How can I do that?
Are you italian? If yes, please help me in our language, or write me
an e-mail
[EMAIL PROTECTED]
Hi,
yes: Gregs comment was right, setting that property keeps the axes
fixed. However, it is possible, to drop the cursor outside the visible
area. So I check every time and move the cursor back to the border of
the allowed area, when it is outside.
Regards
Matthias
Thanks Julien! It works a treat. I didn't find the context help
useful, it's not very intuitive.
Sorry,
U have no luck at all... you just helped a trainee (wich is the lowest
ranked position ever!)
:-)
Anyway, I'm working in Dortmund until end of August ( I come from
Brazil). So if u need anything or have any interest in Germany, please
send me an email:
[EMAIL PROTECTED]
Best Regards,
hi experts..
i have a problem.
I want to creat an array, array.
on button click this element array, will get attach to
main array
plz help me
I use High Speed Data Logger.vi to measure my data.
While measuring (data acquisition), I want to show every x-th point of
the data obtained in real-time if my computer has enough speed to do
so.
Could anyone kindly tell me how to do it?
Hi Thandal,
Use the Build array function!
This function will Concatenates multiple arrays or appends elements
to an n-dimensional array.
Using LV 6.1 with WIN 2000. I am wanting a way to pass several graph
parameters to a SubVI without having to cluster properties together.
I have several graphs that I need to pass serveral parameters each and
would like a compact way to pass all parameters for an XY graph into a
SubVI. Are
LabVIEW can communicate through the serial port using its VISA
interface. LabVIEW comes with several example serial communication
programs that should help you get started. Look in the Help menu and
click Find Examples After the dialog opens and gets populated,
double click Hardware Input and
How we can generate different shades of single color
From dark to light .using a control like dial
If dial pointing on zero we get darkest shad ,
If dial is pointing to maximum we should get lightest shad
I want to assign this shad to the color property of LED.
In the subpanel examples I've seen it's recommended that the Run VI node be executed
(with wait until done set to False) before the Insert VI node is executed. It seems
that my application begs to turn all that around. I want to set wait until done to
True so that I can use the Get Control
One thing you could do is collect together your points and then
perform the statistical function on the collection. In the Signal
Manipulation palette is the Collector Express VI. When you configure
it, you will be allowed to enter the maximum number of samples to
collect and it will create a
Alexi,
I replied to your previous post about this problem:
http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101RPAGEID=135HOID=50650008006DCDUCATEGORY_0=_49_%24_6_UCATEGORY_S=0
Regards
Anthony Sims
Applications Engineer NI-UK
hi julion
i have problem regarding array
please ans. it
Ans from zone (you can find it on recently answered questions )
Hi Matt,
Have you looked at the Lightning Command Encyclopedia (LCE)?
You can find it at the bottom of this link..
http://www.us.anritsu.com/downloads/default.aspx?kind=prodID=92DownType=6
JLV
Hi George
I have used SubVI quite extensively, and I always insert VI before I run them (I did not realized it was recommended to run before inserting) and I did not experience any problems with this approach.
PJM"Seifert, George" [EMAIL PROTECTED] wrote:
In the subpanel examples I've seen
At 11:11 AM -0400 4/15/04, Don J Roth wrote:
I know this is a long shot but does anyone have the c or c++ code to compute the 2d
(image) cross-correlation fx? (I know that IMAQ VISION has the cross-correlation
routine but I am looking to potentially modify the 2d correlation routine to compute
I have now been able to implement the 'rules' as a script file which I
am able to successfully access to make the access decision. Thanks.
If you're willing to experiment with stuff that's not officially
released and undocumented, check out the discussions on LabVIEW
scripting on the LAVA forum A
href=http://forums.lavausergroup.org/index.php?showforum=29;here/A.
Sorry to bother you with that last question. That was too easy.
cu
Hello, Alan.
A relevant KB is
http://digital.ni.com/public.nsf/websearch/42B604435E3F9604862565E20043CD30?OpenDocument.
As this KB points out, there is no general-purpose set of firewire
VI's for LabVIEW. If you are trying to communicate with a particular
device via firewire, you will need to
I am currently trying to tweak a standard vi included with Labview 7.0
(Append front panel image to report). I want to tweak a couple of the
settings when I double click the icon. The catch is that I want the
changes to only come into effect when I run MY VI. That is when I go
create a
I'm pretty sure that you cannot install on multiple machines at your
company at any one time. Even though you have purchased the upgrades
for 6.1 and 7.0 you still fall under the same agreement that was
initially purchased for 6.0. However if these are not upgrades then
you can. Also under the
Rolf Kalbermatter wrote:
Swinarsky, DJ Derrick (5453) @ IS [EMAIL PROTECTED]
Well, so the assumption is that software like LabVIEW from NI or
Windows
or whatever from MS are reliable, while Open Source isn't? Talking
about unbiased prejudice!
No- the assumption is that someone else is
I think you are talking abou the automatic error handling. You can
change the settings in ToolsOptionsBlock Diagram .
Because we offer the report generation toolkit we don't have very many
examples for this, but there is one (it's a little old, but the
concepts should be the same):
http://sine.ni.com/apps/we/niepd_web_display.display_epd4?p_guid=B123AE0CBC08111EE034080020E74861p_node=DZ53004p_source=External
I'm running LV7 under Linux. With Context Help running if I mouse
over some native LV VIs I get an option in the Context Help of Click
here for more help. When I do so the Context Help simply loads the
help for the Add VI. I had this problem with LV6.1 and assumed it was
a version bug. Upon
Hi David,
I agree with you about the error dialogs. NI has done the same thing
in shipping VIs like Write To Spreadsheet File. For those, I've simply
deleted the General Error Handler. I'm not sure of the best way to
handle things in a more global sense. One idea that comes to mind is
to modify
I looked into this behavior and it has actually already been reported
to RD. They are looking into the cause etc. and it should be fixed
for the next version of LabVIEW.
Evan
National Instruments
Hello Bob, thank you for your help. I just enter a maximum number of
samples, which is higher than my total number of samples will ever be
and then I have what I need.
Something else: can I protect my LabVIEW application with a password
as read only so it will not be changed accidentally during
I don't think you'll find the exact answer there. The whole forum is
dedicated to LabVIEW scripting. This capability has been on a lot pf
people's wish list and is something that NI has demonstrated - just
not released to the paying public. You can start in the Automatic Code
Generation topic and
Running LabView 3.1 on a 386 machine. After several minutes of running
get the following: Application Memory Full: Saving and closing VIs
can free memory. You may need to increase the Total Memory allocated
to LabView from the Preferences Dialog. I gave it the entire 32 meg
and still the same.
Hi,
This is a design issue that I have run into many times and I was
wondering how you all solve it. When using complex data structures
(such as array of clusters, or clusters containg arrays and/or other
clusters), I have found that there are many situations where you need
to wire either an empty
Hi, I am in the mining industry and about to carry out tests on a load
cell to calculate the impact pressure on it continuously and to write
these data in a file. I am using LabVIEW 7.0 and PowerDAQ hardware
PD2-MF-16-400/14H as a data acquisition board, does any one have any
VI's associated with
On another similar thread I saw a comment from NI support that there
is currently no formula for the time-distance graph available for the
S curve parameters. The advice was to use Motion assistent to look for
these parameters in the according graph.
Rolf K
I have a lot of controls on the front panel. I want my 3D plot to be
updated with any of them changed. Currently only one control's change
can result in the update even if I do have done changes on other
controls .. that's to say, only one specific control's change can
activate the front panel
Hello,
A PCI-6601 may be able to control an SSR, but you must know the specs
of the relay before you can be certain. The output voltage of the
6601's digital output line will be +5V with a source current of 4mA.
This means that your relay must require no more than 4mA to turn on.
Here is a link
Usually by reading the graph terminal or a local of it and determining
the first or second dimension (not sure which at the moment) size of
the resulting 2 dimensional array. If it is a 1 dimensional array you
have either only one plot or an array of clusters each representing
one plot. But as
The deal is that the image you see is not the image stored in memory.
For sample sets with points larger than the pixels on your screen,
LabVIEW will truncate/interpolate/labview magic the dataset to create
an representation of your data for display. Setting your mouse to a
specific data location
Is the comparison within a loop?
If so, you can place a shift register to the loop. Right-click the
edge of the loop and select Add Shift Register.
Initialize the shift register with a boolean that set the alarnm LED
off. Within the loop, place a Case Statement where you change the
boolean
It may be that the 12C VI is not properly closing out the session, but
it is impossible to know since we cannot access the dll. Can you
contact the company and find out more about what their VI is doing?
It may be that you just have to stick with running their VI
separately.
Good luck!
Thank you very much.
I actually came up with a similar solution before your response. I
just created a state machine within my loop and made it so if the
alarm ever goes on, the next state is permanently alarmed until the
reset button is pressed. The shift registers did the trick. Thanks
again!
Excellent explaination for what is actually happening here. The
workaround that I used was to take the specified cursor location, use
the waveform graph X scale range property node of MIN and MAX at +/-
1% of the cursor location prior to specifying the move and then
returning the graph back to
I see. I will notify the person in charge of this. Also, I will add
this to the information we have about this issue. That should help
bring more attention to this. Thank you for your post!
Russell
Nimal,
I noticed that in your code, you have two while loops that are running
in parallel. This is going to cause synchronization problems for one
loop is going to dominate the other. Specifically, the loop with DIO
Read will not allow the loop with DIO Write to execute until it has
acquired
RLD,
You may want to try running the SCXI Strain Null.vi locally on the
machine itself rather than through RDA. This will allow us to
determine if the problem is local to the PXI-8146 or if it is being
caused by a RDA Server communication breakdown.
Regards,
Bill B.
dont worry I have just figured it out.
Thanks for your help it inspired me to find a new way of addressing
the issue.
thanks
Alexi
hi,
thanks for the help. I need my vi to be able to do as you have shown
me, except when I press clear I need the switches to automatically
turn off. As is now I need to change a value of a switch to get the
clear to take place.I would just clear the queue but I need to be able
to change the
How do I allow an alarm to be set based on a comparison but then NOT
aloow the alarm to clear until a button is pressed?
I have a program that compares DAQ values to a threshold value. If the
value surpasses the threshold, an led blinks. The problem is, if the
value then goes back below
Depending upon the structure of your code you could use threads and
block on the socket - then when data is recieved use one of the
sychronisation tools (queues, semaphores etc) to wake up or tigger
an event in another thread.
Found the answer - create a normal property node and that has the
normal control visible option (was only looking at the automation
properties).
Wayne
Thanks everyone for the advice ,I have decided to use an old datataker
dt50 I have ,But am unsure how to use labview to monitor these sensor
readings, Does anybody have any advice or know were to get labview
drivers for this device , Any help appreciated.
Regards
Brett Scott
What drivers do I need to get this accomplished? Where can I get
them? What version of Windows is most appropriate?
Hello,
Unfortunately, the RS-232 port cannot measure an analog current or
voltage. We do carry products which will allow you to measure such
signals. Please take a look at our Data Acquisition boards. Our
boards are able to read analog voltages. You would simply need to
connect your current
I solve this problem by combining the event structure with a classical
state machine. The classical state machine is a case inside a loop
with either an enum or string shift register defining the actual
state. In the idle case of that structure is the actual event
structure which handles the UI.
Using LV 6.1 with WIN 2000. I am wanting a way to pass several graph
parameters to a SubVI without having to cluster properties together.
I have several graphs that I need to pass serveral parameters each and
would like a compact way to pass all parameters for an XY graph into a
SubVI. Are
How we can generate different shades of single color
From dark to light .using a control like dial
If dial pointing on zero we get darkest shad ,
If dial is pointing to maximum we should get lightest shad
I want to assign this shad to the color property of LED.
There are many ways to do
How do I determine the number of plots that have previously been
plotted on a waveform graph? I am loading dynamic data from a file.
If I convert to an array and size it and there is only one plot, I get
the number of data points and I don't know how to tell the difference.
I am using a 3d Surface graph and want to hide the control at certain
times and display another control in the same screen location. I
can't seem to find a property that will do this. Can someone please
point me in the right direction?
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