No reconoce NI myRIO

Hola, hace un par de meses compre una tarjeta NI myRIO, con licencia academica. No tuve ningun inconveniente todo perfecto. Pero esta semana tuve que cambiar de PC, puesto que el HD del anterior (windows vista sp1) se averio. Reinstale el modulo myRIO 2013 en el nuevo PC, pero no me reconoce la tarjeta. Si trato de crear un nuevo proyecto, se queda en "Searching for targets...." y el programa luego no responde. Ya estoy desesperado puesto que no he podido avanzar con mi proyecto.
Cuando intento utilizar el getting started de la tarjeta sucede lo mismo, se queda buscando y nada.
Gracias

Hola javimeloc
Gracias por utilizar los foros de soporte de National Instruments. Me gustaría que me confirmaras la siguiente información para poder apoyarte de la mejor manera:
- Version de Sistema Operativo (x32 o x64)
- Version de LabVIEW (x32 o x64)
- Version de los drivers (NI RIO)
Tambíen me gustaría que nos aseguraramos que instalamos todo apartir de los discos de instalación, sobre todo los del DVD NI RIO Device Drivers.
Otra cosa que me gustaría que me confirmaras es revisar si el firewall de la computadora esta desactivado. De lo contrario, no se si me puedes apoyar a desactivarlo y intetar conectar del nuevo el myRIO. Puedes desactivar el firewall, reiniciar la computadora, y ver si ahora si lo detecta.
Espero tu respuesta. Estoy a la orden.
Omar R.
Applications Engineer

Similar Messages

No se abre NI myRIO USB monitor cuando conecto mi myRIO en mi PC

Hola a todos.
Estoy iniciando con la NI myRIO, ya instalé todo el paquete de software necesario que viene en los CDs del dispositivo, el problema es que cuando conecto la myRIO a mi PC no arranca NI myRIO USB monitor que se supone deberia iniciar unos pocos segundos despues de conectar el dispositivo. Ya probe con desinstalar e instalar todo nuevamente pero igual no funciona.
Desde ya agradesco mucho aquien me colabore con este problema.

Hola Luis, primeramente muchas gracias por tomarte una parte de tu tiempo para ayudarme.
Pues el NI MAX si reconoce la MyRio al momento que lo abro y veo la pestaña de dispositivos e interfaces, si puedo agregar la NI Myrio a un proyecto ya que al momento que abro LabVIEW primero aparece la ventana de Set UP and Explore ahi ingresé al Launch the Getting Started Wizard y puedo probar el funcionamiento de la MyRIO, es decir el primer proyecto que es el acelerómetro, el boton externo y los leds.
En cuanto al paquete de software que instalé es el que se encuentra resumido en la siguiente imagen que capture durante la instalación, todo este paquete corresponde a la versión 2013 que es la que me vino en los CDs junto con la MyRIO.
Aparentemente está bien instalado, pero como lo dije antes sigue sin abrirse el NI myRIO USB monitor cuando conecto la myRIO a la PC, la verdad es que me preocupa que esto repercuta más adelante en alguna aplicación, pense que podría ser problema de mi computadora asi que instale todo el software en otra PC y obtengo los mismos resultados. Es bastante raro porque por lo pronto me he dado cuenta que eso es lo único que no funciona.
Nuevamente muchas gracias por tu colaboración y estaré a la espera de tu respuesta.
Saludos,
Att. GABRIEL

MyRIO FPGA FFT Express VI timing analysis for multiple input mode - trying to perform fft's on a 3-axis accelerometer

Hi Everyone!
Project Background:
I've been working with the myRIO FPGA in an attempt to generate an application capable of sampling a tri-axis accelerometer and performing an fft on each axis. I've successfully developed an application for a single axis, but attempting to duplicate the code to sample the second and third axes in parallel results in an estimated 150% resource utilization for the tiny FPGA's LUT's. Additionally, I'm looking to avoid sequentially processing each accelerometer input using triggers and a single fft block because that reduces my fft update frequency significantly (e.g. I can't calculate another fft for input 1 until I calculate an fft for inputs 2 and 3).
After reading up on the fft vi, I'm thinking that I can use the M-interval input indexes / Continuous output indexes Input/Output Index Pattern mode. My thought is that I can edit the vi to remove any math that "recombines" these three vectors into a single fft, resulting in 3 separate fft's. I'm also hoping that this process requires less time than using the sequential method described above.
The Questions:
1. Has anyone done an fft on three inputs using the myRIO at sampling rates > 20kHz and fft sizes of 1024 or larger? If so, I may just be lacking some proper resource management.
2. Does anyone know where to find timing information on the M-interval input indexes / Continuous output indexes Input/Output Index Pattern mode? The manual only provides timing diagrams for singel channel / single input modes. I don't want to waste my time modifying the vi if it will still take 3x as long (assuming modifying the vi is even a possibility).
Further Information:
I already have an application written that samples the accelerometers at >20kHz and then performs the fft on the main processor, but now I'm looking to see if it is possible to perform all signal processing on the FPGA side. The processor performs decently enough, but the timing is not as consistent as I would like it to be. Lastly, I am aware that the myRIO itself has a built in accelerometer, but I need to mount the accelerometer in an environment where the myRIO would probably be damaged and definitely cannot fit.
Any thoughts are much appreciated! The excessive FPGA compile times for this thing make the old guess and check method less appealing.
-Chris

Hi Chris,
Thanks for posting and the detailed background on the project! To answer some of your questions:
1. The FFT Express VI does use a significant amount of space. The FPGA on the myRIO is somewhat limited space-wise. Your best option may to implement the FFT for 1 channel on the FPGA and the other two on the RT side.
2. I converted the FFT Express VI to a subVI and I am not sure if you can trim too much code from it. The subVI is also very complex so re-working it would be a significant amount of work. I could not find much documentation on M-interval input indexes / Continuous output indexes Input/Output Index Pattern mode timing.
I hope that this helps!
Thanks,
Frank
Application Engineer
National Instruments

How can I collect and record data in LabVIEW from Sensirion Temperature/Humidity Sensor connected to myRIO?

The product documentation of the sensor and the datasheet is attached. Also Digilent MXP Breadboard's image is attached.
I've connected the sensor to myRIO using the starter kit's MXP breadboard: http://www.digilentinc.com/Products/Detail.cfm?NavPath=2,842,1216&Prod=MXP-BB
The output of the sensor is in digital. My initial goal is to get digital output in form of 8 or 12 or 14 bits and then convert them to decimal numbers and record them.
Pin 1 of sensor is Data, which is connected to myRIO's connector A, DIO1 pin 13.
Pin 3 of sensor is Clock, which is connected to myRIO's connector B DIO5/SPI.CLK pin 21. According to the datasheet of the sensor, if VDD < 4.5V then Clock should be set to 1MHz.
Pin 4 of sensor is Ground, which is connected to Digilent MXP Breadboard GND pin.
Pin 8 of sensor is VDD, which is connected to Digilent MXP Breadboard +3.3V pin. Supply voltage range is 2.4-5.5V and recommended voltage is 3.3V.
I need to be able to send the following commands to the sensor from LabVIEW.
Measure temperature: 00000011
Measure relative humidity: 00000101
Then, myRIO has to wait for maximum 20 milliseconds (ms) for 8-bit measurement, 80 ms for 12-bit measurement, and 320 ms for 14-bit measurement.
Two bytes of measurement data will then be transmitted. myRIO as microcontroller must acknowledge each byte by pulling the DATA line (pin 13) low. All values are Most Significant Bit (MSB) first. Note that for 8-bit result, the first byte is not used. Finally, myRIO has to terminate the communication after the measurement data Least Significant Bit (LSB) has been received by keeping ACK bit, which is the LSB bit, as high.
Attachments:
Digilent MXP Breadboard.jpg ‏96 KB
Sensirion-Temerature-Humidity-Sensor-Documentation.pdf ‏136 KB
Temperature-Humidity-Manufacturer-Datasheet.pdf ‏323 KB

Have you searched the forum?
http://forums.ni.com/t5/LabVIEW/Sensirion-sht7x-labview/m-p/350958/highlight/true#M179022
Greetings from Germany
Henrik
LV since v3.1
“ground” is a convenient fantasy
'˙˙˙˙uıɐƃɐ lɐıp puɐ °06 ǝuoɥd ɹnoʎ uɹnʇ ǝsɐǝld 'ʎɹɐuıƃɐɯı sı pǝlɐıp ǝʌɐɥ noʎ ɹǝqɯnu ǝɥʇ'

Save myrio backup take over

Hey guys I recently launched by robot with a variety of sensor's. These sensor's were programmed using labview and saved using the write to measurement file, express VI. I had made a VI in labview then turned it into a RT target, and thus deploying them on my robot.
After letting the robot run for several minute's I went back to the C drive of the myrio in which I stored all the data.
Several files were incomplete and or divided amongst the main file's directory, I had set the main file to save as and backup file's. It looked almost as if it had saved to these file's and then continued after a certain amount of time to these backups. Can someone explain this? And is their anyway to recover the whole file together?
And if so is their anyway to recover the whole file, instead of peicing together different save files. As i have around 30 backup file's and it's tough to peice together everythng without knowning what everything is.
Thank you for your time,
Caleb
Attachments:
ReconMod.vi ‏870 KB

"There are also a lot of places where you're writing to files one element at a time. It's typically better to buffer up chunks of data and only write to disk ocasionally (disk write operations are relativly slow)."
This I discovered when writing a servo code.
"Nw if you look at the express VIs you're using (double click to open the config pane) to write to files most are set to Rename the file if it already exists. So in this case when you're calling the Write to Measurement file over and over in a loop you'll get a bunch of similarly named files rather than one large file full of data." \
How do I prevent this? Would it be append to file.
Also now that I think about it, would this cause the vi to write several save points and then go to randomly numbered backup files?
As far as the system I say robot, but it's actually a rocket, with a bunch of sensor's that are on it. The GPS at the bottom of the code is to work at all times with the sensor's only working on descent, with a camera looking for a match of a preset image upon descent.
I know the artcheture is kinda crude but I wanted clear separation between each sensor.
It then has a second myrio attached to the bottom, to operate a servo with strain gauges. The servo is pull a metallic cylinder up and down controlling a rod attached a motor. I've attached the code as well.
I am almost 90% certain the rod worked during flight but the saving of it came back as zero's as well, which to me think's my saving was messed up similar to the other bay of the rocket. As their is no way an acclerometer can read zero. And it did change the accleration as thought.
Attachments:
thrust mod.vi ‏957 KB
stain.png ‏87 KB

How to create a c++ shared library (.so) for linux real time (for myRio) with Eclipse to use in LabView?

I tried already these Tutorials and Advices but I didn't find a solution:
- http://www.ni.com/tutorial/14625/en/
- http://www.ni.com/tutorial/14690/en/
- http://forums.ni.com/t5/LabVIEW/Shared-Library-on-myrio-Linux-Real-time-system/m-p/2842540/
- http://forums.ni.com/t5/LabVIEW/How-to-create-shared-library-for-linux-real-time-target-in/m-p/28218...
- and some more
I want use c++ codes on linux real time. For testing reasons I want to have a function that adds 2 values and gives the result.
I've done these steps:
1. writing a c++ file in Eclipse (see screensot 2)
2. building a shared library (.so) from my c++ project in Eclipse (with Cross GCC)
3. putting this file on myRio (path: /usr/local/lib/)
4. creating a VI that calls this library from Labview with a "Call Library Function Node" (see screenshot3)
5. Setting the properties for the "Call Library Function Node" (see screenshots 4-7)
After I run this VI i get this error message: LabVIEW: (Hex 0x627) The function name for the ... node cannot be found in the library. To correct this error, right-click the Call Library Function Node and select Configure from the shortcut menu. Then choose the correct function name. (see screenshot1)
I've tried a lot things to solve this problem but I couldn't find a solution. Would be very happy if anyone can help me. I guess that I have to edit my c++ code to export my function (symbol). But I have no idea how to make it. I also tried it with a dll file in the same folder but it didn't help.
Perhaps someone can send an example which works on myRIO.
Thanks!
screenshot1
screenshot2
screenshot3
screenshot4
screenshot5
screenshot6
screenshot7

can see it in the screenshot8 there is a function called "_Z8AddierenddPd" instead of "Addieren". I copied this name to Labview (see screenshot9) and it worked.
I'm sure that there is a way to compile the shared folder with gcc without decorations (mangling). But I don't know how. If someone has a recommendation I would be very glad!
Prepend each function declaration that you want to be available without name decoration with
extern "C" <your function declaration>
Or if you have multiple functions you want to export you can in the header file where you declare your functions simply use:
#ifdef __cplusplus
extern "C" {
#endif
<all your function declarations>
#ifdef __cplusplus
#endif
Rolf Kalbermatter
CIT Engineering Netherlands
a division of Test & Measurement Solutions

My IPOD nano no lo reconoce el pc

Cuando conecto mi Ipod Nano de 4 GB al pc, el no se reconoce ni como IPOD, ni como unidad de disco, el IPOD carga normalmente, ya cambie el cable de conexion, pero todo sigue igual, no tengo manera de ingresarle canciones.

mabytos wrote: (Google Translate)
When I connect my iPod Nano 4 GB to pc, the not recognized or as IPOD, or as a disk drive, IPOD normally load and replace the connection cable, but as usual, I have no way to admit you songs.
Pruebe una o varias de las siguientes acciones:
- Reinicie el equipo
- Desinstalar y Resintall iTunes
- Reinicie el iPod (no se borrará todo)
- Vaya a Mi PC (Windows XP) o Equipo (Windows Vista o 7) y ver si se muestra (debe mostrar como una cámara digital)
- IPod Restore (se borrará todo)
- Asegúrese de iTunes y iOS firmware está actualizado.
Espero que esto ayude.
What I said:
Try one or more of the following:
- Restart you computer
- Uninstall and Resintall iTunes
- Reset iPod (will not delete everything)
- Go to My Computer (Windows XP) or Computer (Windows Vista or 7) and see if it shows (should show as digital camera)
- Restore iPod (will DELETE everything)
- Make sure iTunes and iOS firmware is up to date.
Hope this helps.
Message was edited by: keeferaf

MyRIO memory, data transfer and clock rate

Hi
I am trying to do some computations on a previously obtained file sampled at 100Msps using myRIO module. I have some doubts regarding the same. There are mainly two doubts, one regarding data transfer and other regarding clock rate.
1. Currently, I access my file (size 50 MB) from my development computer hard drive in FPGA through DMA FIFO, taking one block consisting of around 5500 points at a time. I have been running the VI in emulation mode for the time being. I was able to transfer through DMA from host, but it is very slow (i can see each point being transferred!!). The timer connected in while loop in FPGA says 2 ticks for each loop, but the data transfer is taking long. There could be two reasons for this, one being that the serial cable used is the problem, the DMA happens fast but the update as seen to the user is slower, the second being that the timer is not recording the time for data trasfer. Which one could be the reason?
If I put the file in the myRIO module, I will have to compile it each and every time, but does it behave the same way as I did before with dev PC(will the DMA transfer be faster)? And here too, do I need to put the file in the USB stick? My MAX says that there is 293 MB of primary disk free space in the module. I am not able to see this space at all. If I put my file in this memory, will the data transfer be faster? That is, can I use any static memory in the board (>50MB) to put my file? or can I use any data transfer method other than FIFO? This forum (http://forums.ni.com/t5/Academic-Hardware-Products-ELVIS/myRIO-Compile-Error/td-p/2709721/highlight/... discusses this issue, but I would like to know the speed of the transfer too.
2. The data in the file is sampled at 100Msps. The filter blocks inside FPGA ask to specify the FPGA clock rate and sampling rate, i created a 200MHz derived clock and mentioned the same, gave sampling rate as 100Msps, but the filter is giving zero results. Do these blocks work with derived clock rates? or is it the property of SCTL alone?
Thanks a lot
Arya

Hi Sam
Thanks for the quick reply. I will keep the terminology in mind. I am trying analyse the data file (each of the 5500 samples corresponds to a single frame of data) by doing some intensive signal processing algorithms on each frame, then average the results and disply it.
I tried putting the file on the RT target, both using a USB stick and using the RT target internal memory. I thought I will write back the delay time for each loop after the transfer has occured completely, to a text tile in the system. I ran the code my making an exe for both the USB stick and RT target internal memory methods; and compiling using the FPGA emulater in the dev PC VI. (A screenshot of the last method is attached, the same is used for both the other methods with minor modifications. )To my surprise, all three of them gave 13 ms as the delay. I certainly expect the transfer from RT internal memory faster than USB and the one from the dev PC to be the slowest. I will work more on the same and try to figure out why this is happening so.
When I transferred the data file (50MB) into the RT flash memory, the MAX shows 50MB decrease in the free physical memory but only 20MB decrease in the primary disk free space. Why is this so? Could you please tell me the differences between them? I did not get any useful online resources when I searched.
Meanwhile, the other doubt still persists, is it possible to run filter blocks with the derived clock rates? Can we specify clock rates like 200MHz and sampling rates like 100Msps in the filter configuration window? I tried, but obtained zero results.
Thanks and regards
Arya
Attachments:
Dev PC VI.PNG ‏33 KB
FPGA VI.PNG ‏16 KB
Delay text file.PNG ‏4 KB

How to install "make" and "gcc" on MyRIO ?

Hi,
I try to install ppp for using a 3G modem but for that I have to use gcc and make.
I can't find packages compatible with myRIO system. I have always " Packages for make found, but incompatible with the architectures configured" error using OPKG.
Do you have a solution ?
Thanks

Hey enzol,
It would be better to post this question in the NI Linux Real-Time community. There are more Linux gurus there that can point you in the right direction.
Thanks!
-Sam K
LabVIEW Hacker
Join / Follow the LabVIEW Hacker Group on google+

How to play a sound saved in myRIO

Hi,
How could I call a file saved at usr/local/sbin in myRIO and send it to play? Thanks...
Solved!
Go to Solution.

I did this way. I transformed the sound sample into an array (Sound Sample) and in another VI I read this sample (Ring Creator). It is working fine.
Attachments:
Ring_creator.vi ‏1129 KB
Sound sample.vi ‏571 KB

How do you save data into an excel file while myRIO is acquiring data? I tried saving it using "Write to file" but it doesn't work for some reason.

I am acquiring cosine wave and a pulse wave as input and I want to store their peak to peak values into an excel file. "Write to File" is not working for it. Is there any other vi which can be used for data logging?
Thank you for your help.

Hi Ssheoran,
Can you provide more detail when you say that the Write to File VI doesn't work? Is there an error given? Or can you just not find the file on your computer? Keep in mind using this file in a Real-Time VI on the myRIO will save files on the myRIO. You will then have to transfer to your PC. Please view the following video as a guide for saving files and transferring them to your computer: (http://www.youtube.com/watch?v=BuREWnD6Eno). Hope this helps.
Best Regards,
Roel F.
Applications Engineer
National Instruments

How to create stepper motor signal (myRIO)?

Hi there,
I'm fairly new to LabVIEW, and I'm trying to run a small stepper motor with ULN2003 based driver board (one of these) with a myRIO. I have gone through a few examples in the project guide to get a feel for things, but I can't figure out how to run this stepper.
What I'm wondering is how do I create the signals to run to the IN1,2,3,4 on the driver board? What functions would I use?
I don't have a deep understanding of LabVIEW yet, so any specific explanations are welcome. Or, if anyone has an example VI for doing this or something similar, I can just look through that.

Hey GregRomero,
I'd start simple. You can control the stepper motor controller inputs using the Digital Output Express VI, but before you to that, play around with the LED Express VI so you can see how digital outputs work. Create a VI that looks like this:
Run the VI and click the buttons to turn on and off the LEDS. Then switch the LED Express VI to the Digital Out express VI and choose the DO channels you've connected to the stepper drive. Now you can use the buttons to set the digital outputs and use the logic table on the page you linked to set the motor step.
Once you get that working you can replace the manual button presses with generated values to drive the motor.
Let us know if you have questions about any of this.
-Sam K
LabVIEW Hacker
Join / Follow the LabVIEW Hacker Group on google+

Connecting myRIO to WiFi with WPA2 Enterprise EAP-TTLS

Hey guys,
I´m struggling to connect my myRIO to the eduroam wifi on campus. It worked for a time, but now it suddenly just doesn´t.
The network runs a EAP-TTLS (or PEAP) Authentification, MSCHAPv2 as an inner authentification and a GT UserTrust Global Root certificate. When I first got it working I just set it up in MAX and uploaded the certificate, when that now stopped working I´ve tried just about everything including editing the wpa_supplicant locally on the myRIO.
To put it short I´m stumped at this, and the fact that it worked for a while doesn´t help O.o
Cheers,
Bjørn

Hi bjornsol,
I managed to connect a wireless cDAQ to eduroam by
Uploading the certificate in MAX
Entering the user name and network secret for PEAP, IP adress set to "DHCP or Link Local"
I can also confirm successfully accessing the device from a eduroam connected computer. Remember to configure a password for your device, it will otherwise be accessible to other eduroam users.
Ask the IT department at your university for a valid certificate. I downloaded this certificate from the KTH eduroam web page, not sure it will work for you if you are registered at another university.
If this doesn't work for you, please upload a screenshot from MAX when trying to connect to the network.
Best regards,
Robert P-F
Applications Engineer
National Instruments Sweden

How to writing the data into the file at the same frequency of data acquisition using myRIO

Hi everyone,
I have a question regarding data acquisition fequency and data recording frequency of myRIO. Hope you guys can help me out.
Basically, I want to acquire voltage input at analog input 0 at the frequency of 1kHz and then write the data into a file (tdms format).
However, I always found there were only 55 or 56 data points recorded every second in the data file (see the excel sheet).
To confirm my data acquisition was performed at the correct frequency, I added a small function in the main loop to indicate the time spent between two acquisition events.
To my surprise, the period of data acquistion is correct (1ms or 1kHz) but there are only 55 or 56 data point per second recorded in the data file.
How can I record every data point acquired by the analog input?
Thank you!
P.S. I am very new to myRIO. How can I manually set the system time for myRIO? The default time of my myRIO is wrong.
Best,
Tengyang
Attachments:
test result.xlsx ‏16 KB
Main with timed loop.vi ‏122 KB
test result.xlsx ‏16 KB

Have a look at the Jakarta POI project, they have a Java API for creating Word documents.
http://jakarta.apache.org/poi/hwpf/index.html

Connecting LabVIEW to hardware sensors through myRIO

Hi,
I am an electrical engineering student in the senior year and my senior project is about monitoring and controlling the critical equipment in the industrials. the project contains sensors ( tempreture, missing phasing, vibration ) to control motors and transformers and i will biuld those sensors with my team. i want to design a control panel for those sensor in the LabVIEW and i should use myRIO as microcontroller to communicate between the sensors and the LabVIEW for recieving the signals from the sensors and send it to the LabVIEW to be shown in the control panel and then to have an action to cut the power for example.
my question is,
how to use myRIO and connect it to the LabVIEW and the sensors? what should i do? what should i have? for time being i don't have any information about this.. please provide me with all information that i may need.
can you help me brothers & sistors ..
Engineer34

Hi Engineer,
the project contains sensors ( tempreture, missing phasing, vibration ) to control motors and transformers
Sounds like some power is needed to be controlled here. Don't forget safety measures…
How to connect the hardware sensors to myRIO board?
That depends on those sensors. You need to provide more information…
that is too much
It's your final year before becoming an engineer and you claim "too much information I need to read/watch"? What kind of engineer to you plan to be?
all totrials there talking about the realtion between myRIO and LabVIEW
Because that's the main part of the work: reading values from your hardware, analyzing it and calculation output signals to fulfill your control task…
And also because LabVIEW is the IDE to create any programs running on those myRIOs…
Best regards,
GerdW
CLAD, using 2009SP1 + LV2011SP1 + LV2014SP1 on WinXP+Win7+cRIO
Kudos are welcome

No reconoce NI myRIO

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