I am searching a VI for AC acquisition with a PCMCIA DAQ card 6024E

Hi,
I am searching a VI for Alternativ Current acquisition with a PCMCIA DAQ card 6024E.
I have tried several availble examples but they are unfortunately not compatible with this card.
I am a beginner with Labview, as a consequence any help and support on that topic would be really appreciated.
Thanks,
Alban Cotard.

I think you wann measure Alternating Current?!?
what want you know, the period, amplitude, rms.....?
e.g. use the "cycle average and rms.vi" or other VI in this palett
regards timo

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Data-acquisition with NI 6036E DAQ card & GPIB using an external trigger

Hi all,
I hope somebody could give me some help with the following and answer some questions:
Simple system description:
Labview 6.1
PCI-GPIB card
6036E DAQ card
In my system, I am using an external analog trigger signal (A) for continuous data-acquisition. Characteristics of the analog trigger signal (A) are: ~40 Hz, signal height +1.48V, triggered by rising edge (the analog trigger signal (A) could be changed to a TTL signal). Each data-acquisition is done within ~1.0 ms after the rising edge of the trigger pulse. The timing of the data-acquisition and analyzing procedure is controlled by execution in a sequence structure placed in a loop.
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Problem:
During a certain point in my data-acquisition sequence structure (defined by a frame), I want to use the next occuring analog trigger signal (A) to acquire 1 value from the power meter.
How do I do this in Labview programming for the following two situations?
a) If I connect the analog output from the power meter to an analog input channel of the 6036E DAQ card. The analog trigger (A) would be connected to a second analog input channel (In case the analog trigger signal (A) is changed to a TTL signal it would be connected to the PFI0/Trig input pin on the DAQ card).
b) If I use the GPIB connection of the power meter. The analog trigger (A) would be connected to a second analog input channel (In case the analog trigger signal (A) is changed to a TTL signal it would be connected to the PFI0/Trig input pin on the DAQ card).
An other possibility would be to trigger the power meter directly, so it outputs constantly power meter values at ~40 Hz. How could I than acquire 1 power meter value (at a certain time im my sequence structure) via analog input at DAQ card or GPIB?
Additional questions:
How do I configure the PFI0/Trig pin on the 6036E DAQ board individually as an INPUT?
How do I use an analog trigger signal (A) as counting signal for a loop, or as an activation signal for a sequence structure which includes GPIB commands?
It would be very nice if somebody could give me some help.
Kind regards,
beam

Hi beam,
I just want to verify that I understand your situation correctly:
An external trigger signal (A) is wired to one of your input channels (e.g. CH0) to trigger data acquisition of a second channel (e.g. CH1). Your power meter is connected to an analog input channel, which you would like to trigger with a certain rising edge at some of your sequence structure.
Problem:
During a certain point in my data-acquisition sequence structure (defined by a frame), I want to use the next occuring analog trigger signal (A) to acquire 1 value from the power meter.
How do I do this in Labview programming for the following two situations?
a) If I connect the analog output from the power meter to an analog input channel of the 6036E DAQ card. The analog trigger (A) would be connected to a second analog input channel (In case the analog trigger signal (A) is changed to a TTL signal it would be connected to the PFI0/Trig input pin on the DAQ card).
If a task has been configured to acquire signal from one analog channel, it's not possible to run a second analog input task or to add a second channel on the fly. You had mentioned that it's possible to read from the instrument through GPIB. Is it possible to perform a software trigger such that at a certain frame of your structure, when the trigger signal A reaches voltage "x", a GPIB command is written to your power meter to query a measurement reading?
Additional questions:
How do I configure the PFI0/Trig pin on the 6036E DAQ board individually as an INPUT?
You do not need to explicitly configure the PFI0 line as an input. If you want to use it as an input such that it acts as an analog trigger, simply wire the trigger signal to this pin. When configuring the trigger in your software, specify PFI0 as the trigger source.
How do I use an analog trigger signal (A) as counting signal for a loop, or as an activation signal for a sequence structure which includes GPIB commands?
You can try using the Limit VI to find out when the trigger signal reaches a certain level, and count how many times this level is reached. Similarly, you can use this as the condition to execute GPIB commands.
Hope this helps,
Lesley

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Can I develop a data acquisition app without the DAQ card installed?

I'm new to LabView.
I would like to build a simple data acquisition app (graphical display and logging). I would prefer to build this on my desktop, and then install/run it on a laptop.
I'm not sure how to work this as the DAQ card and driver are not installed on my desktop. Is there a (hopefully) simple way to configure a data source in labview so that the app will automatically (or at least easily) connect to the existing driver?
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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

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Message was edited by: kostby

What is the multiplexing sequency for the DAQ cards?

I have a PCMCIA DAQ card (AI-16E-4). How does the multiplexing work on the that card?
In my setup I connect the same signal to channel 0 and channel 3 (differential termination). I notice that the acquisition of channel 0 is delayed by what appears to be half of the time increment between samples.
Does that sound right? I would have expected channel 3 to be delayed. Is there a way to know how the delay works?
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Jerome.

Hi Jerome,
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I hope this helps. Have a Great Day!
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Acquisition with different pci-cards

hello,
I would like to learn the objectives to take care of in acquisition with two
different pci - cards. Is there something special about configuring the two
cards in the same VI and how can I be sure that the subVIs acquire data
simultaneously?
Please send me some information about bibliography or notes.
thank you

wrote in message news:90o7uf$e5c$[email protected]..
> That is true; however, if you want the acquisitions of both boards
> started at the EXACT same time then you need to order a cable that
> connects to both RTSI connectors on the PCI boards from National
> Instruments. Once you have that cable, then you can call the Route
> Signal VI to route a start signal to both boards and simultaneously
> start them.
A better way is to route scanclock via RTSI from the 'master' to the 'slave'
board.
in this way there is a constant delay (within one channel clock period)
between channels on these boards.
You have to specify on the slave board that the scan clock comes from RTSI.
Don't forget to make the channel clocks identical.
Read the help of AI Clock Config (see inside AI start.vi)
You need 2 calls to AI Clock Config on the slave. One to set the Scanclock
and one to set the Channel clock)
If you need more accuracy you also have to route the board clock (20Mc) via
RTSI.
Start the slave first, so that it is ready to receive clocks from the
master. Then start the master.
>
> In article <90ham7$j4p$[email protected]>,
> "Fan Zhang" wrote:
> > to your question, no. Nothing special to configure two pci cards at
> the same
> > time in one program. You can distribute two IDs to them then call the
> one
> > you would like to call in your application.
> >
> > "gkonstan" wrote in message
> > news:90ggtt$i28$[email protected]..
> > > hello,
> > > I would like to learn the objectives to take care of in acquisition
> with
> > two
> > > different pci - cards. Is there something special about configuring
> the
> > two
> > > cards in the same VI and how can I be sure that the subVIs acquire
> data
> > > simultaneously?
> > > Please send me some information about bibliography or notes.
> > > thank you
> > >
> > >
> >
> >
>
>
> Sent via Deja.com http://www.deja.com/
> Before you buy.

I am searching a VI for AC acquisition with a PCMCIA DAQ card 6024E

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