Configuration carte usb 6008

Bonjour, Je cherche à relier un banc d'essai muni d'une carte usb 2008 sur un PC. Même avec l'installation de DAQ-mx, la carte n'est pas reconnue par mon PC. Dans MAX, je ne peux accéder au propriétés de la carte.
Compte tenu de mon niveau "informatique", j'ai épuisé toutes mes ressources !
Sur un autre PC, j'ai une installation similaire où avec les mêmes éléments installés, une autre carte 6008 est reconnue. Par contre, quand je cherche à connecter la carte qui me pose souci, elle n'est pas non plus reconnue sur ce second PC.
J'ai tenté dans MAX de modifier le n° du device mais rien n'y fait.
Merci pour votre aide !
Message Edité par SylvainTriquigneaux le 01-18-2008 04:51 AM

Bonjour,
Merci pour votre aide.
Lorsque je branche la carte sur mon PC, un nouveau matériel est détecté. On me demande alors de sélectionner le pilote de ce matériel. En choisissant la recherche automatique du pilote, l'installation échoue sur un USB-6xxx Firmware Loader qui n'est pas trouvé.
Je dispose sur ce PC de la version 8.3 de DAQ-mx.
En refaisant les mêmes manipulations sur un autre PC, l'installation se déroule convenablement toujours avec la même version de DAQ-mx.
Je ne suis donc a priori pas concerné par le problème avec DAQ-mx d'autant plus que l'installation se déroule convenablement sur un autre PC...
Merci pour votre aide
Sylvain
Message Edité par SylvainTriquigneaux le 01-21-2008 05:02 AM

Similar Messages

Carte usb 6008 non détectée

Bonjour,
après avoir installé le pilote Nidaq 6.8.1 sous XP Pro SP3, j'ai essayé de connecter ma carte USB 6008 sans succès. Celle-ci n'est pas détectée, le voyant de la carte reste éteint. D'autre part sous le logiciel NI "MAX", aucun "Périphériques et interfaces" n'apparait.....Pourtant le port USB fonctionne a priori correctement avec une clé USB quelconque.
Quelqu'un pourrait-il m'aider dans mes recherches ?
Par avance, merci.

Bonjour,
La version du driver utilise est trop vieille. Le support pour l'USB 6008 n'est disponible que dans une version plus recente des drivers en DAQmx si je ne dis pas de betise et pas DAQ Traditionnel.
De plus la version que vous essayez d'installer n'est pas officiellement compatible avec Windows XP : http://ftp.ni.com/support/softlib/multifunction_daq/traditionalnidaq/6.8.1/readmef.htm
Vous compter programmer / commander votre materiel avec quel logiciel ? LabVIEW ? LabWindows/CVI ? Ou par un autre logiciel de developpement C, etc ?
Pourquoi utiliser cette version des drivers ?
Cordialement,
Da Helmut

Configuration of USB 6008

Hi,
how to configure USB 6008 (AI range, rate of readungs etc) in MAX. I have got 7.5 drivers and when I go in a MAX to Devices and interfaces/NI-DAQmx devices/USB-6008: Dev2 and right click on it and Properties is gray, so I can not change it.
Is there another way to configure settings?
Thanks. Sergey.

What you need to do is configure an analog output and an analog input.
Initiate and start the two tasks outside of a while loop
Inside the loop aquire the Analog input at the same time as reading in the analog signal from the pressure device
Then you just need to use a case structure to decide if the value is too high. If this is the case then you put a new value (zero) to the AO.
At the same time you need to record the time.
Using another level of case structures you can evaluate the time that Ao has been at zero. Once 30 seconds has passed. resume the previous A0 values.
Another method is to use a state machine. (Search examples in Labview if you don't understand)
with cases
INITIALISE = initialises the system - next state = Normal
NORMAL = Running normaly - State HIGH if the pressure goes above a certain value
HIGH = changes A0 to zero and monitors the time at A0 - Next state is Normal after 30 seconds (configurable)
and STOP = Stops the program on a user input, or error ocurring. also closes off all the DAQmx tasks.
This should give you the functionality you desire.
Regards
AdamB
p.s I have just recieved your e-mail regarding the Ao and Ai.
I will e-mail you back ASAP
Thanx
Applications Engineering Team Leader | National Instruments | UK & Ireland

Error -10401 occurred at AI Group Config - in relation to USB-6008

I'm attempting to run a simple vi that uses AI Aquire Waveforms.vi to input voltage data that I have coming in from the USB-6008 DAQ. However, when I try running the program, I receive the error:
Error -10401 occurred at AI Group Config
Possible reason(s):
NI-DAQ LV: The specified device is not a National Instruments product, the driver does not support the device (for example, the driver was released before the device was supported), or the device has not been configured using the Measurement & Automation Explorer.
And I'm not sure how to fix it. In MAX, the device seems to be working properly and everyhting seems to work fine in the test panel, so I'm slightly at a loss. I'm running Labview 7.1, and installed NI-DAQmx 7.5 which came with the USB-6008.

Never mind. I'm new to Labview, and didn't realize that I could not use the traditonal Data Aquisition components with the USB-5008 (I didn't even realize that NI-Daqmx was different).

Will USB-6008 DAQ be able to power and record voltage for UMS T5 tensiometer at the same time?

I would like to use my NI USB-6008 to provide power to my UMS T5 tensiometer (http://www.ums-muc.de/en/products/tensiometer/t5.html) as well as take readings from it, but I don't know if this is possible to do properly. The supply voltage for the instrument can be as low as 5V, which I can easily get from the dedicated +5V channel. I am able to power the instrument and connect it to an analog input on the 6008 and measure a voltage in differential mode. However, while reading the support literature for the instrument, I find the following:
"Potential data acquisition pitfalls: Because the pressure transducer is configured in a Wheatstone full bridge, the input voltage and signal mV output cannot be connected to the same reference (ground). Hence, the signal mV output can only be measured using a differential voltage measurement. Therefore, do not attempt to make a single-ended measurement of the pressure transducer mV output." (http://www.decagon.com/assets/Uploads/MeasuringUMSTensiometerswithnon-UMSControlandDataAcquisitionSystems.pdf)
My understanding is that the 6008 can take a differential measurement if I attach the signal "+" and signal "-" to the positive and negative analog input terminals. However, it seems that all of the Ground ports on the 6008 are grounded to the same reference, which would make my voltage measurement invalid according to the paragraph above. So my real questions is: if I attempt to record the voltage using one of the analog inputs on the 6008 in this way, is the measurement valid? Or do I need to find a separate power supply with a different reference ground to ensure that the measurement is accurate?

The specification sheet for that device is very poor. The manual is not much better. Companies which want to sell scientific equipment should publish decent data sheets or get out of business.
In section 3.4.3 General requirements the device is described as a "non-amplified bridge circuit." This information along with the bridge impedance should be in the specifications because it is essential to applying the device under any circumstances other than the nominal behavior at 10.6 V.
The answer to your question is this:
You can use it with the USB-6008. The 5 V power supply will result in output voltages slightly less than half (5/10.6) the voltages specified under nominal conditions. You can use the differential input mode on the USB-6008. The absolute input voltages will be about 2.5 V with the 5 V supply. That voltage is within the working range of the device. The differences will probably be less than 100 mV. The resolution of the USB-6008 on the +/-1 V range is about 0.5 mV so your pressure resolution will be around 1 % of full scale. The input impedance and termination voltage of the USB-6008 will introduce some errors. These may be on the order of 5-10%. I cannot predict much better without the missing bridge impedance specification. Those errors should be systematic and relatively constant. A calibration of the whole system - sensor and DAQ device together should allow you to compensate for much of that error.
Lynn

VI Logger and NI USB-6008

I haven't got much experíence in LabView and neither has anybody here in our team. We've got an NI USB6008 which is working perfectly with the basic VI logger application (version 2.0.0 lite) under windowsXP. All channels - except ai0 diff and single ended - work perfectly. As this basic application is too limited, now we're trying to develop something more advanced but when I start a new task at the VI logger and get the Assistent to configure the devices, it doesn't find the physical channels, although everything is properly connected and that basic application does find it.
As this is the first step, I'm stuck!
Thanks in advance...

Thank you Kenny for your help...
I haven't got yet a VI that I culd send to u for debbuging. I've gone through all the "getting started" (NI USB 6008, LabView, VI's, VI logger, etc) kind of stuff and, as far as I understood, in order to start to develop an application (a VI, or a VI logger) you have, first, to specify the physical channels that are going to be used by the software. That's what the MAX Assistent asks for, and as it cannot find it, I can't progress into acctualy designing a VI.
Maybe the software doesn't support the device (NI USB 6008), although the documentation available isn't very clear and even conflicting on the subject. On top of that, the "sample applications" shipped with the software, do find it and work perfectly.
I'd appreciate if you could help me out of this "stale mate"!
Thank you very much again...
Roberto

I have LabView Student Edition, how can I make work a USB 6008?

The Student edition it doesnot have many Vi's that there are necesary to work with a USB 6008, I would like to know how can I make work the Usb 6008 with LabView Student Edition

Hello Jorge,
When you say "NI-DAQmx configuration" do you mean the NI-DAQmx Base Configuration Utility? Are you using NI-DAQmx or NI-DAQmx Base to communicate with the 6008?
NI-DAQmx 7.5 added support for the USB-6008. Therefore, you can use either NI-DAQmx or NI-DAQmx Base to control this device. Make sure that you are setting the USB-6008 to NI-DAQmx before trying to use the NI-DAQmx VIs in LabVIEW. To do this, Open Measurement and Automation Explorer (MAX) and select Tools >> NI-DAQmx Configuration >> NI-DAQmx USB Driver Selector. Your USB-6008 should appear in this window, indicating which driver your device is configured for. Make sure it is set to NI-DAQmx before trying to use the NI-DAQmx VIs.
When your 6008 is set to NI-DAQmx, you cannot use NI-DAQmx Base or any of the DAQmx Base examples. Likewise, when the 6008 is set to NI-DAQmx Base, you cannot use any NI-DAQmx VIs.
If you would like to use NI-DAQmx with your USB-6008, please set the driver by following the steps above and verify that "USB-6008" is listed under "Devices and Interfaces >> NI-DAQmx Devices" in MAX.
I hope this helps. Please let me know if you continue having trouble with your USB-6008.
Regards,
Sean C.

Temperature measurement usb 6008 with Thermocouple

Hi,
I am trying to measure temperature with type k thermocouple on USB 6008. I set max for measuring voltage, and got 0 voltage with noise. It would be appreciated if you can help me to wire up properly.
Cheers,

Hi,
You are doing the right thing by acquiring your thermocouple data as a voltage. From there, you can convert it to temperature data after the acquisition.
There are two configurations that you can use to connect your thermocouple to the USB device: Differential and Reference Single Ended (RSE). If you use differential, then you would connect one wire to the + channel and the other wire to the - channel. For example, to use AI 0, you would make connections to AI0 (+) and AI4 (-). If you use RSE mode, then you would connect one wire to an analog input channel and the other wire to ground. So for AI0, you would connect the + to AI0 and the - to ground.
More information about these connections is available in the USB 6008/6009 User Guide. Also, here are two links about the different types of configurations you can use as well as thermocouple polarity:
Field Wiring and Noise Considerations for Analog Signals
How Can I Determine What Kind of Thermocouple I Have and the Correct Polarity of Signal Connections ...
Regards,
Hal L.

Generer des impulsions avec la sortie numerique NI USB-6008

Bonsoir
je suis un nouveau utilisateur de labview , j ai un probléme dont j'aimerais que vous m'aidiez
j ai une carte NI USB-6008 et je veux
réaliser des impulsions dont je pourais régler le rapport cyclique , la fréquence et le nombre d'échantillon sur une des sorties numériques sans utiliser la sortie counter ou analogique.
Merci
Cordialement

Bonjour Midas,
Pour réaliser cette fonction vous avez en effet besoin d'utiliser une boucle while ou for avec un control logiciel, comme indiqué par Helmut O'Brian.
Pour ce qui est de la création de votre pattern numérique, il vous faut concevoir un algorithme respectant votre CDC.
Vous pouvez vous inspirer de l'exemple ci-dessous disponible depuis la recherche d'exemple LabVIEW, qui permet d'écrire des données numérique sur un port de façon continue:
C:\Program Files\National Instruments\LabVIEW 2010\examples\DAQmx\Digital\Generate Values.llb\Write Dig Chan.vi
Pour obtenir plus d'information sur l'utilisation du driver NI-DAQmx et de l'API DAQmx, je vous invite à prendre connaissance des éléments présents depuis les liens suivants:
Getting Started with NI-DAQmx: Main Page
http://zone.ni.com/devzone/cda/tut/p/id/5434
Learn 10 Functions in NI-DAQmx and Handle 80 Percent of Your Data Acquisition Applications
http://zone.ni.com/devzone/cda/tut/p/id/2835
Cordialement,
Rémi D.
National Instruments France
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Communication réseau WIFI NI USB 6008 avec Netbook

Bonjour,
Je souhaiterais faire de l'acquisition de donnée embarqué sur un karting ; je posséde une NI USB 6008, un netbook avec windows seven starter avec le driver 9.5.5 Daqmx et un PC portable sous vista avec labview 2010.
Dans cet configuration je souhaiterai visualiser des températures,pressions... en temps réel si possible ou avec une latence X en bord de piste avec mon PC portable.
Mon soucis est le suivant:
Comment communiquer en réseau wifi avec les deux PC?Suis-je obliger de créer un réseau ad'hoc entre les deux PC?Quel est la différence entre périphérique déporté et périphérique réseau?
Merci d'avance pour votre aide
Romain Cleyet-Merle

Bonjour Romain CM,
RomainCM a écrit :
Mon soucis actuel est de pouvoir créer l'exe mais un VI express récalcitrant m'empéche d'avancer dans mon projet.
Ce Vi est "écrire dans un fichier de mesure".Lors de la construction de l'exe une erreur 1502 intervient et m'empeche de crer l'exe. (Post sur le forum mais pas de réponse d'ingé NI pour le moment)
Ayant des bases trés légere en programmation, je n'arrive pas à trouver sur le net un VI capable d'avoir la meme flexibilité de paramétrage que posséde ce VI express.
Avez-vous essayé d'utiliser la palette de VIs TDMS ? ce format est utilisable de manière simple et performante, de plus vous pouvez lire le fichier sous un tableaur de type Microsoft Excel ou LibreOffice Calc.
Sans utiliser le VI Express, vous pouvez également écrire dans un fichier binaire, tableur ou texte.
De quelle nature sont les données que vous souhaitez enregistrer ? (des waveforms, nombres flottants, tableaux...).
Des problêmes similaires ont déjà été rencontrés, et corrigés par l'abandon du VI express au profit d'un jeu de VI plus adaptés.
Cordialement,
Vincent.O
National Instruments France
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Communication card usb 6008

Hi,
I'm currently facing some troubles that might come from a usb card 6008. A testing machine monitored with this card and a sofware developped in LabVIEW do not wotk anymore.
However, on another testing machine, no problem with the same configuration, usb card 6008 and a sofware developped in LabVIEW.
I searched some differences between both configurations and found this one : in MAX, on the testing machine that do not work anymore, the usb card is not "identified" in the same way, the name of the card can not be seen (see photo).
whereas on the testing machine where everything is fine, it is (see photo)
As you can see, the screens are not similar and I can't modify anything on the card of the 1st screen. As the name of the card is setted up in my LabVIEW software and as the card doesn't seem to have a name, can it be the reason of my trouble?
If yes, do you know how to handle it?
Thanks for your help and best regards,
Sylvain

Hello Sylvain,
I think that you have connected your device to the computer before having installed DAQmx the first time. Since, it uses the bad driver. I suggest you to open the Device Manager and update the 6008's driver software. Choose to search for a driver on your computer among the two options and then choose the "Let me pick among a list of device drivers on my computer" option. Do you see something like "NI USB-6008" in the list?
Don't hesitate to post screenshots of the information contained in your Device Manager like this view (but for your USB-6008) :
(Sorry, my computer is in French )
Another solution should be to follow those steps in this specific order :
1) Disconnect your 6008 device
2) Reset MAX Database
3) Uninstall DAQmx driver
4) Reboot your computer
5) Reinstall DAQmx (still with the device disconnected)
6) Plug your device and check if it appears correctly in MAX
Regards,
Jérémy C.
National Instruments France
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Can I use more than one USB 6008 in the same program?

I am working on a project that may require up to six USB-6008 modules. Before I purchase more I need to know if I can use all six at a time in the same Lab View program. Can anyone help?
Solved!
Go to Solution.

Hello Nick,
LabVIEW is able to handel that number of DAQ tasks quite easily, however you must remember that USB has a maximum bandwidth. Therefore you would have to ensure that you have enough USB hubs on your PC. Typically there are between two to four USB slots per hub and each of these will have a maximum throughput rate which will divided between all devices attached to that hub. Therefore although you may have four USB DAQ devices attached to four USB ports if they are on the same hub you may notice greatly reduced rates of data transfer. What I would suggest rather than purchasing six or more USB 6008, why not purchase one PCI card which is able to handel many more inputs with a larger bandwidth.
Regards
Andrew George @ NI UK

How can i connect 24VDC to digital input (usb 6008)

hello,
how can i connect 24VDC to digital input (usb 6008), is it possible with some optocoupler?
thanks

The 6008 is a static DIO, so speed shouldn't be an issue. Therefore an optocoupler should work. Just make sure you get one the meets your specs.
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NI-DAQmx 8.3.0f0 installed but Found New Hardware Wizard shows up when plugging in a USB-6008

I have NI-DAQmx Device Driver 8.3.0f0 installed with LabVIEW 8.2 but when I plug in a NI USB-6008 I see the "Found New Hardware Wizard" in Windows XP. Since the DAQmx driver is installed shouldn't Windows recognize the device immediately?
I cancel the driver and I get the taskbar message "A problem occurred during hardware installation. Your device may not work properly."
The USB-6008 does not appear under Devices and Interfaces in MAX.
Help would be appreciated.
Thanks,
Dave

Ahh, I thought Windows performed an automatic search after cancel is clicked.
I clicked next and allowed Windows to search and it says:
"Cannot Start this Hardware"
There was a problem installing this hardware: USB-6008
The device cannot start. (Code 10)
I tried uninstalling and reinstalling the device but the results were the same.
Any ideas?

NI USB 6008: expected constant expression

I am using NI USB 6008 device. Looking at NI-DAQ\Examples\DAQmx ANSI C\Analog In\Measure Voltage\Acq-Int Clk\
So I want to modify the line that has
DAQmxErrChk (DAQmxReadAnalogF64(taskHandle,1000,10.0,DAQmx_Val_GroupByChannel,data,1000,&read,NULL));
as
    DAQmxErrChk (DAQmxReadAnalogF64(taskHandle,numsamps,TimeouT,DAQmx_Val_GroupByChannel,data,numsamps,&read,NULL));
where the corresponding variables have been defined before like:
Int_t xx=2;
const Int_t numsamps = const_cast<Int_t&>(xx);
    int32       error=0;
    TaskHandle taskHandle=0;
    int32       read;
    float64     data[numsamps];
    float64 RatE = float64(raTE);
    float64 TimeouT = float64(numsamps)/RatE;
But when I try to compile I get this error message:
$ nmake -f makefile.mak
Microsoft (R) Program Maintenance Utility Version 8.00.50727.42
Copyright (C) Microsoft Corporation. All rights reserved.
        cl -D_MT -D_DLL -MDd -EHsc -nologo -G5 -GR -MD -DWIN32 -DVISUAL_CPLUS
PLUS -D_WINDOWS -IC:\ROOT/include -O2 -c SNatInDAQ.cpp
cl : Command line warning D9025 : overriding '/MDd' with '/MD'
cl : Command line warning D9002 : ignoring unknown option '-G5'
SNatInDAQ.cpp
SNatInDAQ.cpp(261) : error C2057: expected constant expression
SNatInDAQ.cpp(261) : error C2466: cannot allocate an array of constant size 0
SNatInDAQ.cpp(261) : error C2133: 'data' : unknown size
NMAKE : fatal error U1077: '"c:\Program Files\Microsoft Visual Studio 8\VC\BIN\c
l.EXE"' : return code '0x2'
Stop.
What does it mean 'expected constant expression'? How can I get around this?
What I want to do is pass the size of that data array from another function.

Hi novaiscool,
I think the issue is that you are declaring numsamps as a constant and the DAQmxReadAnalogF64 function wnats a non constant parameter. Have you tried calling the function with a regular int or a value? Give that a try and see if you get the same error.
You will also need to initialize numsamps to something since you are allocating an array using that variable.
Give those things a try and let me know how it works.
Thank You,
Nick F.
Applications Engineer

Configuration carte usb 6008

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