I am trying to connect an instrument with a serial port to my computer
through labview. Instruments responds to function command strings. eg
f23,00; When using VISA write, only the first charachter of the
command string is sent to my instruments. I need to send the full
command string at one
Hi,
I have purchased LabView6.0 and created a project successfully.In
my opinion,LabView is a useful software for engineers.But I have met
with some problem these days.I find some examples in the website but
their version is LabView6.1.Must I purchase the higher version?Can I
Thanks for your answer, but i would like to do it programmatically...
Hi , and thanks for your reply. My e-mail address is
[EMAIL PROTECTED]
I am using LabVIEW 7 on windows NT4 computers.
I have a SubVI that I use to ping the network printer to make sure
that the printer is on line prior to sending a print at the end of
testing a unit.
If LabVIEW does not get a reply to its ping data is saved locally and
the user informed.
I would like
How can i create a clock that have to do the following thing:
Countdown visual in the screen
Timeset with day's in seconds
- Pressing start - it start to run
- Pressing stop - The clock is stopping but it keeps the time, when i
press start again then it goes on with counting
- Pressing Reset -
There is a bit of a discussion between me and a C programmer about the Time
Stamps in windows.
Windows itself has a number of time epoches.
First there is a 16 bit Windows API:
1) From the old times there is a DOS time which is really two 16 bit numbers with
bit packed interpretation (and
Here is the definition of the error from LabView:
VISA: (Hex 0xBFFF0072) The resource is valid, but VISA cannot
currently access it
Are you able to communicate with the hardware manually using a sw like
HyperTerminal? If so, configure the serial port setting to the same
as that to communicate
We're all anxious to see it
:o)
What type of control are you using? (ie: string or numeric control)
If I try a string or enumerator control, I can set the default value
as 0:7. A numeric control won't take the column (:) and gives me a
7 instead of a zero.
Let us know what type a control you are using. What type of
What instrument are you using? Have you searched
http://www.ni.com/devzone/idnet for an instrument driver? There are
many instrument drivers available for download. They make instrument
communication a lot easier.
Hi All,
I'm going to assume that the answer is no (at least if one is not
using LabVIEW Real-time), but does anyone know if it's possible to
set a delay time of less than 1 millisecond?
Here's the problem: we set a switch (using a DIO card), wait n
MICROseconds (called the Switch Settling
If you are unable to find an instrument driver and you are using
LabVIEW 7.0, you can try the Instrument I/O Assistant Express VI. It
makes instrument I/O and especially response data parsing much easier
than writing all the code by hand.
Thank for you help. I need the average value to plot a graph another
graph. This is the first 10 value averge but how about the rest of my
data, because i a set of average value. i.e average first 10 values of
my data and then second 10 values and so on until finish process my
data. (in between
Thanks but i do not have Labview 7.
The problem is likely within LabVIEW and not your VI or the GPIB
device. I recommend trying a different operating system or the eval
for LabVIEW 7. You can also look into updating the drivers for your
computer--ni 488.2, video, etc.
John,
you asked on Sun, 04 Jan 2004 20:11:54 -0500:
I've been asked to provide suggestions and maybe later a quotation on a
method of monitoring the origin, direction and force of contraction
waves in smooth muscle of a rather small organ. The surface if interest
is about 1 cm in
Does the Get Date/Time In Seconds vi give the time when the system
clock finished the last second, or does it just have one-sec
resolution?
I am needing an accurate assesment of the computer's clock.
What's wrong with using VISA? It's better (faster and more reliable)
than the old builtin serial VIs (using serpdrv).
Joey,
Do you have a URL for this?
cheers
ben
On Mon, 28 Jul 2003 10:56:55 -0400, Joey Oravec
[EMAIL PROTECTED] wrote:
Anybody tried to use an USB camera with LabVIEW?
- Olympus provides an ActiveX based SDK for their cameras. I would highly
recommend this as an all-around good
By the way, the VIWaitOnEvent timeout error is normal. We
occasionally check for an event with a short timeout to see what's
going on with VISA.
What exactly is it you want to calculate an average from?
You say you want to average the first 10 and then the next 10...which
sound OK, then it's just creating an averaged graph, but you also say
that in between the averages there are 6 values you don't want. Are
you saying that you want the
Hi,
If you do chose to use the call chain function, please read the
following KB that discusses one limitation to it.
a
href=http://digital.ni.com/public.nsf/websearch/240717A75EC2932886256D9E00727FBC?OpenDocument;Why
is the Parent VI Not Being Returned When I Use the Call Chain
Function?/a
The Get Date/Time vi description indicates that it returns integer
seconds. It indicates nothing about reporting fractional parts of a
second.
We have received new biotech robotic system with LabVIEW control
software. One of the software task is image recognition (robotic
vision system). During images processing tasks memory is not used
hard, but the CPU is always at 100 % utilization. Now the software is
running at the computer with
I have it now! Sorry to trouble. When the context help indicated
that Get Date/Time returns the number of complete seconds, I assumed
that it returned an integer. FORTRAN habits show up in the ugliest
places. I now see that it returns info as you indicate. Thank you.
I'm not exactly sure what you mean by it not working. It would be good
for you to attach an example including the database and the VI. I
tried this with a simple example and it worked fine. Make sure the
array of field names doesn't contain the name of the autonumber field.
Also, that error is a
I am receiving temperature values, I parse it and use the proper
indicatore to indicate the temperature, but at the same time user can
choose time interval for posting the data on excel worksheet, how do i
acccomplish the task while my data continues to be updated on the my
front panel and
The complete seconds should really read seconds. I'll work on
reporting that issue.
Hi Physics,
If you lookup Explain Error in Labview (under Help), it (sometimes)
provides an explanation for the error code. For instance, Labview
gives the following details for the last error code you listed:
Error -1073807339 occurred at an unidentified location
Possible reason(s):
VISA:
Hi Kalyan
I know the problem but I'm using the DAQ AT-MIO-16E-2, so the possible
solutions are the following, try to find the same board in PCI model, for
some boards NI made the new boards replacing the old ISA borads with new PCI
Borads and the software is the same (No change). The other
Hi cws6805,
Thank you for contacting National Instruments. Let me make sure I
understand exactly what you are asking. The base address of your VME
device is set using four parameters. I'm not sure what you mean by
P2A2, P2C2, P2A3, P2C3 but it sounds as if you are referring to pins
A2, C2, A3,
Hello,
I am checking my compan's spam filter. I have recieved 5 postings from
info labview as of 2:33PM EST today. How many have others recieved?
Please send to me directly.
Thanks,
Michael E. Ross
Senior Design Engineer
Standard Motor Products, Inc
2717 Commerce Road
Wilson, NC 27893
On Tue, Jan 06, 2004 at 01:13:54PM -0500, Kalyanramu Vemishetty wrote:
Hi all,
We brought AT-AO-10/16 (all analog output board) long back.
This board was computer with ISA slots.
We have a new computer with PCI slot. Is there any way we can connect this
board to PCI slot (using any other
dear sir:
I need to test my VME device with VME-MAX-2.
My device have a watchdog timer,and must write to the heartbeat
register every 100 ms. simultaneously,I have to write to and read
from another register in my VME.
how can i achieve it?
what architecture do I use?
Using the Date/Time to seconds with an input of 1 Jan 1970 gets 208287.
This is only .7% larger then the simple calculation.
Brian Lucas
[EMAIL PROTECTED]
Honeywell Space Systems Glendale
Phoenix, AZ
Hello all,
I was wondering if anybody has used a NI-CAN PCMCIA card in a PCMCIA to PCI adapter,
and what brands would you recommend.
Thanks
Ed
Thanks JLV
Actually I have tried what u are suggesting ,I have close all the
other program including hyperterminal still shows error.
Do I compulsorely need to use visa close function when we use visa
write or not? could u pls write me
A colleague of mine wants to write data from LabVIEW into files of
Igor waves to analyze in Igor. I told him that I could find such
conversion VI's, as I had used them years ago. Alas, all I could find
are LV 3.0 VIs. Nothing in the Dev Zone.
Does anyone know of more recent LV-Igor VI's
Has anyone ever used LabVIEW to control a web page? I have a project where
I need to automate the operation of a product's GUI that is web based. I
need to be able to operate the buttons, select items from menu rings and
enter data into fields.
Any input would be appreciated.
Thanks,
David
I'm still looking for a 'good' multiple file select.
The 5.1 version is quite slow.
Is there a version which uses the more standard windows interface?
Thanks
Troy Richards
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