Thesis using Labview software

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• I am new to the ethernet communication using labview. I don't have any material. I have two laptop, I need to send and receive data through these 2 portable by using labview. Kindly help me on this.

  I am new to the ethernet communication using labview. I don't have any material. I have two laptop, I need to send and receive data through these 2 portable by using labview. Kindly help me on this.

  Dennis has already said: for a direct PC - PC connection, you need a cross over cable. If you connect through a router or a switch, you use a standard cable.

• Time real ADC/DAC for SMPS by using Labview and USB

  Hi all

  I asked the Sales Department of this same question, so here's a two-pronged approach:

  I am reserching a control algorithm for power switching, and so far, its performance simulations seem to be good.  Now, the goal is to implement the circuit from the experimental data.

  I've seen several NI USB DAQ boxes that seem to have the performance, I'm looking for (for example, the box USB-6211 a sampling rate and resolution I need).

  The control algorithm uses the following mathematical functions: add/sub/mult/div/exhibitor and derivative/integral.

  My question is this: is "strong enough" Labview take four-channel data 250Ksps, crunches the numbers in an equation and spits out the answer to an analogue on the channel, while time REAL?  I'm looking for a rate of analog output of ~ 100 kHz.

  Thank you for any suggestions you have!

  -Rick

  Hey,.

  So if you were trying just to perform an input or output, then the box USB-6211 would certainly be able to treat it as the machine clock could manage the inputs/outputs, no software. However, what you are wanting to do, basically a feedback system, he will have to avoid (at least to a USB device) because you need to be able to specify Active which is the output. So, for this reason alone and the fact that you want out of 100 kHz, this device and the USB devices in general will be not an option any what software you use, LabVIEW or otherwise. On another note, you want to make sounds more like live update, not in real time, which is more on the jitter. Bottom line, for these kinds of requirements, you might need to move to an FPGA card, something like the NI PCIe-7841R would work. It's more expensive, but for your needs, FPGA will be the only option and it comes down to the latency of the bus, but also the response time of software. With FPGA, as shown in the first scheme of the following document, you basically close your software through hardware loop.

  Basics of FPGA

  http://www.NI.com/white-paper/6983/en

  -Ryan S.

• reading photoplethysmograph waveform with serial port on PC using Labview

  Hello world

  I'm gaining time real Photoplethysmography waveform of serial port using Labview.I have managed to acquire data from serial port by using the following features:

  -Baud rate: 38400

  -data bits: 8

  -stopbit: 1

   

  -No parity bit

  -Time delay before reading the serial port: 10 ms (according to what was written in the manual that every 10 ms there is a frame in serial port)

  After the reading string will be converted to byte array to be able to extract the bytes associated with waveform (1 & 2 bytes in a frame) even for SOP2 (6 & 7)

  (what is read in serial port is in decimal and must be converted to hexadecimal based on what made the software of prodeuct for some result.that in the waveform properties, I chose the hexadecimal representation)

  Then, as mentioned in the manual, I associate these two values to draw the waveform.

  Although I used the filter band digital waveform of pulse but not significant pass that was seen (cutofffrequeny:10 high low cut-off frequency: 0.5).

  I have attached my program and result in front of Panel and manual for the sensor. The result is still far from what is supposed to be. I was wondering if you could help me and let me know your opinion on the program and the protocol used. I have to get the result as soon as possible. Please let me know if you need more information.

  Kind regards

  
  

• Possible to use labview with daq system not of NOR?

  Hello

  I have a daq system and the software from another company that NEITHER. But I want some changes in the software. If the opportunity was to make a new program with Labview.

  Is it possible to use the old system of data acquisition? Is this compatible with Labview? Or I have to buy new hardware?

  Thank you.

  Hi VIassaks,

  Good afternoon and I hope that your well today.

  Thanks for the post.

  LabVIEW can communicate with 3rd party hardware using the library function call is located in the tip under the functions Palette palette. If your equipment is equipped with a DLL at the driver level LabVIEW can communicate with the hardware. However, you must obtain documentation of the DLL so that you can create your own interface for the material of the part 3.

  Another option would be if the hardware manufacturer provided LabVIEW VIs that control their material. You will not be able to use the screws (National Instruments Data Acquisition DAQ) because these screws use the DLL OR-DAQ, which is our software at the level of the driver for our DAQ cards. Other companies use their own software to the driver level to control their own material. Only the National Instruments hardware uses the NOR-DAQ driver that allows you to use LabVIEW DAQ screws.

  Hope this helps,

• Since the upgrade to Yosemite to El Capitan, my life is a misery! I use the software Adobe CC - well, I DID it! Nothing works anymore. I have to Forcequit all apps and nothing loads... anyone?

  Since the upgrade to Yosemite to El Capitan, my life is a misery! I use the software Adobe CC - well, I DID it! Nothing works anymore. I have to Forcequit all apps and nothing loads... anyone?

  I have all the latest upgrades.

  My operating system is El Capitan 10.11.3

  I have Adobe CC 2015 Illustrator, InDesign and Photoshop. None of them will launch, open or close.

  My mac is so slooooowwww. I'm sitting for 3 days I look at a spinning wheel. Can anyone help? My roof looks inviting at the moment!

  running CC2015 10.11 and it is compatible with El Capitan, so the question is what else is on your system that may be the cause of the problem:

  Please run a report of etrececk and post the results here

  http://etrecheck.com/#about

  This will give us one overview of what else is running on your system

  If you are currently using any anti-virus Mac you must uninstall it immediately from your system. See web developers page for instructions

  If you currently use one "own my ' or 'custodian' of products you must remove them from your system immediately.

  Restart and reset the PRAM

  How to reset the NVRAM on your Mac - Apple Support

  and in the meantime if you need to use CC I suggest you try the following

  start in safe mode and run CC

  Try safe mode if your Mac does not end commissioning - Apple Support

  or Create a NEW account administration and the boot into that and run CC

  and see if either of these procedures to help.

  and if you must go on your roof with a lounge chair, some Bob Marley albums, not a note.

• Screenshot of Tektronix MSO4104B using LabVIEW

  I am trying to acquire a screenshot of an oscilloscope Tektronix MSO4104B using LabVIEW. I am currently able to collect data from the device and have a waveform displayed on my front of VI. However, for various reasons, our preference is to capture the actual screen shot of the scope.

  I have reviewed the reference for programmers for this camera and have done countless searches on Google for an answer, but have not been able to find a solution. It seems that a few people were able to reach on OTHER Tek scopes by sending a hard copy through the port of communication (GPIB, USB, Ethernet, etc.), but according to the reference of programmers for this particular device, it seems that he will send a paper copy of an installed printer, rather than simply as a stream of data to the port which can be read using VISA controls.

  The other solution I've seen is to record the screen turned to a flash drive, and then copy the file via the port to the PC. However, none of these solutions seems to be available on this device... it's one of the more advanced scopes makes Tek... I can't believe it's so hard! Help, please!

  
  

• How to view mdsplus data using labview

  I posted this question in the Council of Labview, but seems that nobody does it so far. I don't know what is the best place to ask this question. So I reposted here.  Thank you very much.

  I am a newbie to Labview. I'm writing a few vi to display and write data to Mdsplus.  I downloaded Mdsplus(labview) can discover Mdsplus functions, like mdsconnect, mdsput, ect, in vi to call a library function. But I have no ideal how to use it. I tried to use the Mdsconnect function to connect to a machine, but it still gives me an error like: Labview: an exception occurred in the external code that is called by a call library function node...  I was looking for help on the internet documents, but could not find anything useful. Could you please help me with this problem?  If you have examples of these vi, or teach me how it, it would be very useful. I'm using Labview 8 (windows). I would appreciate your help!  Looking forward for your reply.

  Oops,

  I attached properly in the previous post.

  Greg

• How to program using Labview to an accelerometer

  Hello:

  I got an accelerometer which has digital I2C/SPI serial interface, so I bought a USB - I2C converter for data acquisition. I would like to know if I can use Labview to acquire data of com port and also program for the accelerometer to capture the data of the axis z. I have a box of white myDAQ NOR but SB. says that it is not an appropriate device to acquire before I2C/SPI signals. The datasheet of the accelerometer is in the accessory and the specification of the converter is this link: http://www.robot-electronics.co.uk/htm/usb_iss_tech.htm .

  I hope someone can solve the problem for me. It is best to use the software labview for me because most of my project work is based on that.

  Best regards

  The f

  Good and bad news.  You have an accelerometer that 'speaks' I2C or USB to I2C converter, so if you connect both of them, you can send 'orders' of your accelerometer easily of LabVIEW by using communication series live that's the good news.  The bad news is that it seems that you need to address your accelerometer using calls very low level, a work, I certainly don't want to face!  This crys on a 'pilot', a middle piece of equipment that does all the "hard work" to take a high level order ("Please tell me the acceleration") and he translates things your device includes (including the Setup program, records, calendar, packing and unpacking of the bits and bytes, etc.).

  Bob Schor

• Cloning a hard drive using LabVIEW

  I'm trying to clone my laptop 476 GB HDD for a 450 GB SSD.  The data on the laptop HARD drive are about 350 GB total, so there should be.  Each commercial application, I've tried has failed to be cloned for one reason or another.

  So I thought, ' Hey, I have a development environment, I'll do my own cloning software in LabVIEW!  I understand that sector-by-sector copy of data is extremely low, but is it possible to do this in LabVIEW?  My research drew a blank.

  Thank you

  Malcolm

  Yes, unfortunately you have almost 0 chance to be able to do it using LabVIEW (except trying to hang in an application that does) as LabVIEW is a high too high level language - all file system operations pass by and get handled by the operating system.

  As others have said, you should reduce the partition first, before you can move the disk - many tools better cloning can do for you. Unfortunately, I don't remember the name of the tool, I used to do it on my laptop but I certainly heard of the Acronis software before. Make a copy of the file in the operating system will not work because it won't copy things like the boot sector information.

  There are also a few layouts guard/traps around moving a HDD to SSD (for most around things like sector sizes) - it is useful to have a read around this before you start.

• Do another counter for usb-6008 VI using Labview 8.5

  I want to create another counter for usb-6008 using Labview 8.5, it is necessary to calculate the two gears simultaneously.

  The best way to proceed is to use the meter.  The counter counts
  signals without having to interrupt the system or use the USB bus.
  When you ask the number of ticks that saw the meter, one
  request is thrown from the CPU to the USB line to the 6008, which then
  request counter "ticks how have you seen?  This number is
  returned on the USB bus, goes to the CPU and display on your
  screen.  Given that the DIO lines on the 6008 are software timed, it is
  no way to guarantee that the data back to the central unit is
  deterministic.  The conceptual difference between software-controlled
  DIO (that nondeterministically returns an entire stream) and a
  meter software-tick-application-controlled (which returns a unique number
  with the number of ticks) prevents us from using the DIO lines on the
  6008. the best way to count more edges is buying more 6008 s.
  Another possibility would be to buy a PCI card to counter such as
  the PCI-6602, who owns 8 counters. Most of the counters we offer in the
  USB form factor is 2 per device.

• zedboard Xilinx Zync 7000 interface using labview

  Hello

  I'm doing my thesis in Zedboard for the development of a test for DDR3 memory and verification. For this I need to set up a base of dedicated on NI Measurement Studio LabVIEW graphical user Interface.

  Theme: Algorithmic Szudy of test set-up for DDR3 SDRAM with a Xilinx architecting.

  Here, I made my algorithm Xilinx SDK. But I need to create a graphical interface using labview. To run these programs. Please let me know how I can do this.

  1 or is it possible to directly access the SoC architecting using Labview. If yes how?

  2. or if I have to do the coding of Xilinx SDK and how do I run this code using Labview?

  Please give me a detailed answer. As I am new to labview. I m not understanding how to start with. If you have any design example please share with me.

  Thank you best regards &,.

  Nithin Ponnarasseri

  No you can not grow directly in LabVIEW and deploy this program to the Board of Directors Zync. NOR has their own material base platform Zync (cRIO and myRIO) but the tools to target these tips are specific to the hardware implementation OR and will not work with other hardware. Develop an interface for another hardware platform is a lot of work and must be adapted for each unique flavor to a new hardware platform. And NEITHER does not support this for other devices.

  If your option will be to develop an application with the SDK Zync for Zync ARM controller and provide a form of communication interface (serial port, TCP/IP, or similar) to this application you can send commands to LabVIEW for your embedded application.

• Control CMD (command line interface) using Labview 2011.

  Hello

  I'm trying to control software that has an interface to command line using LabView 2011 but I have problems when reading the information.

  Is attached the VI I created so far, but it is not working properly.

  Problems so far:

  1 - if I use ReadLine(), it blocks showing no error and nothing else.

  2 - ReadToEnd () same problem as the previous line, the software hangs just at this stage.

  3 - if I compare the response of the "peek" in waiting for the - 1 indicating there is not more character, the hook of software as the previous steps.

  You have some clues as to what might be wrong or another way to 'control' the CMD to send messages, read and send messages, etc...

  Thank you very much for your help.

  I've done it before - I posted about this on the forum here: https://forums.ni.com/t5/LabVIEW/How-to-open-close-and-monitor-a-application-xyz-exe-using/m-p/32511...

  I did also wrap in a library at a given time and post it on the forums, but I couldn't find this particular post.

• What version of daqmx can I use LabVIEW 7.1 om windows 7 x 64?

  I couldn't find something that is specifically says what version of daqmx for use, or if this configuration does not work.  I'm running Win7 x 64 and am using Labview 7.1

  Is not serious

  LabVIEW 7.1 is not supported for Win 7

  File Readme for 7.1 is here

  Download language: English
  Product range: LabVIEW
  Version: 7.1.1
  Release date: 01/11/2004
  Type of software: Application software
  Operating system: Windows; Windows XP; Windows NT; Windows 2000

• Transfer TDMS file cRIO 9076 PC locally using Labview code problem

  Dear all

  I use LabVIEW 2013 with cRIO 9076 for datalogging PDM.

  I try to transfer the logging queue (.tdms) cRIO to the computer via the LabVIEW FTP software. The transfer is OK but computer I can't open the file-68007 error.

  It's ok when I copy the cRIO on computer file ( ftp://192.168.2.102 and manually copy the file)

  How can I fix the ploblem and LabVIEW FTP allows us to trnasfer file.tdms?

  Thanks and greetings

  Luong.Tran

  This might be useful:

  http://forums.NI.com/T5/real-time-measurement-and/TDMS-files-corruption-when-using-FTP/m-p/2331550