How to send IP pacekts by LabVIEW RT

In a project,I use PXT RT controler and cRIO , need send IP packets to communicate with other PCs.
I can use raw socket to send IP packets on the Windows,how to send IP pacekts on the Pharlap and Vxworks by by LabVIEW RT?
There is somebody can help me ,thank you very much.

Different methods of communicating between a VI on a Real-time target (RT PXI, cRIO) and a VI on Windows are outlined in Real-Time VI to Host VI Communication Methods. One of them is TCP communication, which sounds like the solution you're looking for (there are examples in the Example Finder). However, if you can get away with using shared variables, I'd recommend using them out of simplicity (you can flatten and unflatten to/from string or variant data types if necessary).
Good luck!
Misha

Similar Messages

How to send a path from labview to teststand.

Hi!
I have a DLL that I have developed in LabView and as a input parameter I have a path to a file
but if I in the LabViewCode uses String to recieve the path from TestStand and the path includes \T
these just disapperes.
ex:
I send "C:\test.vi" to LabView from Teststand
If I check the Path recieved in LabView i get "C: est.vi"
Instead if I in LabView uses Path to recieve data from TestStand I get an error in Teststand.
How should I do?
/Andreas

Labview strings use the backslash "\" as a special character. \t is a tab, \n is a newline, \r is carriage return, and so on. To send a real backslash use two of them, like \\. So your path string should be "C:\\test.vi".
- tbob
Inventor of the WORM Global

How to send chr$(195) in Labview (MAX)

I have an elderly Philips DMM that needs re-calibrating, using the GPIB commands. I need to send it a character string starting with CHR$(195). I have a GPIB-USB-HS interface and run Labview 9. To get me going I have been using the Measurement and Automation Tool. Sorry this is a newbie question but I can't find the answer. Thanks
Jeremy
Solved!
Go to Solution.

Converting a numeric (U8) has actually been discussed a great number of times. Shown below are some of your options with the numeric being displayed in hex. The string constant is also set for hex display.
Attachments:
send hex.png ‏15 KB

How to send signal generated by labview to router?

the singal can be '0' / '1'

Since it sounds like you are just doing some simple network communication you should not have to communicate directly with the router. The network will take care of routing your data around by itself. You will probably need to use either TCP or UDP to communicate with the adruino. You will need to get the protocol it is using to determine how to communicate with it.
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"Does anyone know where the love of God goes when the waves turn the minutes to hours?"
Wreck of the Edmund Fitzgerald - Gordon Lightfoot

I have a dll file, i want to send messages from this to the device ,how can i do it in labview

Hi,
I am a new user of labview.
I got Vector Card, DUT, DC Power supply and .dll file. Hoe can i connect dll file and hoe to senf the information to the device,
i want to send/receive a message to that device . and measure temperature , humidity of the device. is any one can help?
i have a .dll file, i want to send messages from this file to the testing device ,how can i do it in labview?

Dear Sandy,
How are your DUT, Vector Card and your PC connected?
What vector card is this?
There are a huge amount of Knowledge base articles that you can access from www.ni.com. Simply go to the website and do a search on dll, etc.
There are also a lot of example problems shipped with LabVIEW that will be very helpful for you to learn from and to modify to meet your needs. Go to File»Find Example ....
There are LabVIEW classes taught locally as well that are very helpful. If you're interested I can arrange for you to receive an email with info about it.
Sincerely,
Sammy Z.

How to Send Multiple Plot XY Graph from LabVIEW to Microsoft Excel

The link below describes exactly what I would like to do, however the link to the solution/work around does not work.
Has anyone got an alternative solution?
http://digital.ni.com/public.nsf/allkb/CFD30D5E9C01AB5386256CFB0082AF3E

Please check the link again as it seems to be working fine now.
How to Send Multiple Plot XY Graphs from LabVIEW to Microsoft Excel:
http://digital.ni.com/public.nsf/allkb/CFD30D5E9C01AB5386256CFB0082AF3E
The standard Excel Insert Graph.vi cannot insert multiple XY Graphs to Microsoft Excel, so you will need to use the Report Generation Toolkit for Microsoft Office. You will find a link to an example program at the bottom of the page. I have also attached it below.
Attachments:
example.zip ‏35 KB

Error 1172 occurred when sending smtp email via labview

I found these two useful vi example to send smtp email using Labview:
http://decibel.ni.com/content/docs/DOC-7451
http://decibel.ni.com/content/docs/DOC-2401
However, I got error 1172 saying "No connection could be made because the target machine actively refused it 74.125.91.109:587". I'm using gmail to send emails and pretty sure that all the settings in the VI are correct. According to http://mail.google.com/support/bin/answer.py?answer=13287, I tried both 587 and 465 as the port, and nothing would help. 587 will give the 1172 error and 465 will hang the vi for a while after stopping it. This 1172 error is unlikely due to the suggestion from the 2nd link, "Note: If you receive Error -1172 with this example, try logging into the Gmail account with your browser. This error can occur with Gmail accounts that have been inactive for a period of time. You must log in with a browser and verify CAPTCHA text to reactivate the account." because the error kept on even when I login to my gmail account.
I got myself a solution from http://stackoverflow.com/questions/2737823/unable-to-send-smtp-mail-with-net-network-issue, which says to turn off the antivirus software. I turned off McAfee on my PC and it did work. Now, I'm able to send email, even when I log out my account. However, I'm not happy since I have to keep my antivirus off. My question is, is there any way to walk around this issue? i.e. being able to send email with antivirus on?
My 2nd question: how to send message to multiple recipients? The string array to the "recipient" does not work, and the form of "[email protected];[email protected]" does not work neither. Do I have to create multiple property nodes for the recipients or better way to do it?
Many thanks
Message Edited by holyna on 06-14-2010 11:34 PM

Hi Bhuvanesh,
I noticed that the original thread here hasn't been updated in over a year. In the future, it will be helpful if you begin a new topic for your issue.
I will first address your second question concerning sending SMS messages using LabVIEW. The only way LabVIEW can send an SMS text message is by passing an e-mail to the appropriate SMS gateway service. This gateway will vary by cellular provider. You will need to obtain the SMS gateway service information for each carrier you wish to push text messages to.
As far as the error you are receiving, we will need more information in order to narrow down your problem. What is the exact error message you're receiving? Are you receiving "1172: No connection..." or some other variation? A screen capture of your code would also be very useful.
Regards,
Andy C.
Applications Engineering
National Instruments

How to send joystick data over TCP connection

Hi all,
I am a long time Labview discussion forum user for learning, but this is my first time posting a question, I hope somebody can help me!
In the attached VI I am trying to send data from a joystick over a TCP connection. I can send data fine using the TCP examples (in fact the majority of my VI is just a copy of the example). However I am to the point where I do not know how to send all the data necessary (3 axis data, 12 buttons, and the POV data) over TCP. Strings, clusters, and arrays were never my strong suite and converting between them is a nightmare for me.
Basically I am trying to send each axis data (X,Y, and Z), button data (12 buttons), and POV data (the POV data will be calculated to adjust the position of a camera, so the immediate data is not important, I will add functions to add the change in the button movements to write a standing position for two servos [pan and tilt], for which that I will need to send over the TCP connection) over the TCP connection to control various cameras and motors. I don't know if it is posible to send that much data over a TCP connection in one write VI through a string, and also how to separate the string on the other side in order to control the client VI.
Again, the actual TCP communication I get, and can operate fine, just formatting all the data into a string (or whatever is required) so that I can unpack on the other side is the issue here.
Another question I have (not impotant to get the program running just might make it easier on me) is can a TCP server (which sends the data to the client) also recieve data back from the client on the same port ( for example sensor data and digital positions [on,off])? Or do I need to set up two TCP communication loops with the first client acting as the server on a different port than the first, which then sends the data to the original server, which also has a client TCP configuration in another loop? I hope this makes sense...
One final question.....I already have a solution to this but using labview for the entirety of this project would be nice. I use skype to stream 1080p video from a webcam to my computer so I can view live feed. Can labview do this? This would be awesome if so, I am just not sure if the communication protocols in use could support real time (or as close as possible to streaming) for 1080p video.
Thanks all in advance for your help,
Physicsnole
Attachments:
cameraserver.vi ‏24 KB
cameraclient.vi ‏18 KB

Physicsnole wrote:
In the attached VI I am trying to send data from a joystick over a TCP connection. I can send data fine using the TCP examples (in fact the majority of my VI is just a copy of the example). However I am to the point where I do not know how to send all the data necessary (3 axis data, 12 buttons, and the POV data) over TCP. Strings, clusters, and arrays were never my strong suite and converting between them is a nightmare for me.
Well, you cast the axis info cluster to a string, but then you cast it back to an array of DBL. Thatr's not compatible. You should probably cast it back to an "axis info" cluster of exactly the same type. Go the the other VI and right-click the cluster wire to create a constant. Now move that diagram cluster constant to the other VI and use it as type.
Your default ports don't seem to match. You seem to have client and server roles confused. In the sever you create a listener, but then you start sending packets, even though no connection is established. The connection needs to be initiated by the client.
Your client stops the loop the first time a timeout is encountered. Shouldn't that be more permanent? Also, please retain code clarity and avoid unecessary complexities. For example, replace the "not or" with a plain "or" and change the loop to "stop if true"
Physicsnole wrote:
Basically I am trying to send each axis data (X,Y, and Z), button data (12 buttons), and POV data (the POV data will be calculated to adjust the position of a camera, so the immediate data is not important, I will add functions to add the change in the button movements to write a standing position for two servos [pan and tilt], for which that I will need to send over the TCP connection) over the TCP connection to control various cameras and motors. I don't know if it is posible to send that much data over a TCP connection in one write VI through a string, and also how to separate the string on the other side in order to control the client VI.
You can send as much as you want. The casting to/from string is the same as described above.
Physicsnole wrote:
Another question I have (not impotant to get the program running just might make it easier on me) is can a TCP server (which sends the data to the client) also recieve data back from the client on the same port ( for example sensor data and digital positions [on,off])? Or do I need to set up two TCP communication loops with the first client acting as the server on a different port than the first, which then sends the data to the original server, which also has a client TCP configuration in another loop? I hope this makes sense..
The primary function of a "server" is to wait for a connection and then communicate with the client once a conenction is established. An established TCP/IP connection is fully two-way and both sides can send and receive.
LabVIEW Champion . Do more with less code and in less time .

How to edit xml file particular value. and how to send xml file over ip address 192.168.2.10 using ftp

how to edit xml file particular value. and how to send xml file over ip address 192.168.2.10 device using ftp through Ethernet

Hello
For using FTP function in LabVIEW, I recommend you to check this document: FTP Basics
Also, take a look at FTP Browser.vi, which is available at the Example Finder.
To edit a XML file, try to use VIs in XML palette. Maybe Write to XML.vi helps you.
Post your current VI if possible.
Regards
Mondoni

How to send an email from a VI

Hello..
   I want to know how to send an email from VI. I am using Labview 8.6 . I tried some examples also. But when I run those VIs, I getting errror. It is smtp server error. I dont have any idea about how to change smtp server settings. Can any body tell step by step procedure to accomplish this task..
Further, I need send an attachment with this email...
Please help me
Thanks
Prashanth
Solved!
Go to Solution.

Hello harold..
   thanks for sending VI. I tried it, but I am getting following error
Error 1172 occurred at Error calling method System.Net.Mail.SmtpClient.Send of ObjectId handle: 0xCD21184 for obj 0x212E63[System.Net.Mail.SmtpClient] in domain [LabVIEW Domain for Run] and thread 280, (System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
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    Inner Exception: System.Net.WebException: Unable to connect to the remote server
    Inner Exception: System.Net.Sockets.SocketException: No connection could be made because the target machine actively refused it
) in GmailLV86.vi
How can I solve this problem..
Please let me know.
Thanks
Prashanth

How to send the output of one step as input to next step

Hello All,
I have a question that how to send the output of the first step as the input to the next step.
for e.g
consider a test sequence as below,
1.battery ON.
2. read Voltage
3. Check battery voltage.
as initially the battery gets ON when ever the test starts. in the second step it reads the voltage. let us assume that the voltage is 11.5V,
in the third step we r checking/validating that battery voltage in the range 11V to 12 V. . I mean if the vloltage value is less than 11V or greater than 12V te test has to FAIL.
so in order to check that voltage we need to send the voltage read from the second step.
so how can I send the voltage read from the second step to the third step so that I can check the battery voltage test.
kindly suggest me this using LabVIEW/Test stand.

Hi,
Why do you need the third step, if the second step is a Numeric Limit Test step type, you can setup the limits of this step for your required limits of 11V and 12V. Your result is returned from your VI to Step.Results.Numeric which will be evaluated in the Status Expression giving you a Pass / Fail status.
Look at the example TestStand\examples\demo\..\Computer Motherboard Test\computer.seq
But to answer your reoriginal question, some additional information is required.
What are your inputs and outputs assigned to in TestStand, do you use the Step properties, Locals, FileGlobals?
Regards
Ray Farmer
Regards
Ray Farmer

How to send digital waveform to the DAC?

How to send digital waveform, obtained by Function Generator.vi to the Digital-Analog Converter? What kind of subVIs I have to use for this? I have LabView_5.0 on MacOS.

The 6032 is not a GPIB board. It is a DAQ board board and has 2 16-bit analog outputs, 8 16-bit outputs (16 single-ended), and 8 digital i/o lines. I don't know what you mean that a MIO16/LPM16 is connected to it. There are a lot of example VIs that ship with LabVIEW. Select Find Examples from the help menu and look under Hardware Input and Output. LabVIEW 7 has some under DAQmx>Analog Generation and older versions of LabVIEW have them under DAQ>Analog Output.

How to call another program from LabVIEW?

Hi!
Is there anyone that can answer my question? I have found a similar thread where the user needed to call labVIEW from some program but I want to do the opposite.
I made a program in labVIEW that communicates via COM-ports (serial communication) with the processor I use at the job (Ubicom´s IP2022).
Now I want to add more funcionality to this program. I want to be able to program re-program IP2022 through this LabVIEW application.
The programming is done via an Ethernet-dongle. I start a program called IP2kProg, I write the ip-address of the dongle and the program-file (.elf) downloads at this address. But how can I do this from
LabVIEW, do I need to open IP2kProg or can I send some values to it via LabViEW?
Ant suggestions?
Thanks, Amir

Amir,
There are couple of options:
1. If your IP2kProg program has a command-line interface, you can use LabVIEW's System Exec.vi and send the commands and parameters to it.
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Hope this gives you some ideas.
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How to use PXI-8532 in LabVIEW Development Environment?

Hi,
I want to know how to use PXI-8532 in LabVIEW Development Environment.
I'm using
1. Windows7 32bit
2. LabVIEW Pro 2012 SP1 32bit
3. NI-Industrial Communications for DeviceNet 2.3
4. PXIe-1062Q
5. PXIe-8135
6. PXI-8532 *2 (Names are "dnet0" and "dnet1".)
* Both PXI-8532 are installed in the same chassis (PXIe-1062Q).
I want to construct the system that "dnet0" sends data, and "dnet1" receives it. The data type I want to use is an array of bools.
I made VI (test.vi), but it does not work.
Could you tell me the reason why my VI doesn't work correctly.
Thank you so much for your help and time.
Best Regards,
volcanon2
Attachments:
test.vi ‏28 KB

activeX

How to synchronize several compiled LabVIEW VIs with trigger?

- We have a timer (LabVIEW-VI).
- We also have several different other files who should listen to the timer.
Triggering with notifications wont work because copilation gives an own thread for each app. Notifications work only in the same thread...
Triggering with a global doesnt work also!
Seems to be the same problem...
Someone have an idea how to send a trigger from one compiled VI to another?
(We dont want to communicate over a file by the way.. )

I'm assuming that you're talking about built applications (.exe files) since all VIs are compiled. To communicate between applications, you can use ActiveX, TCP/IP, or datasocket. Datasocket might be the easiest. Set the time program to be a datasocket writer and have a datasocket read in the other programs.

How to send IP pacekts by LabVIEW RT

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