LabWindows/CVI

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setting up of TCP/IP communcation

Hi Snorlaz,
 
So you didn't see the port number in the active connection list but you were still able to communicate between the two computers using other methods?
 
For the client, you'll want to make sure the foreign address is the ip for the server and the port number should be the same for both the server and the client.
 
For this purpose I don't believe you need to change the VI or web server configuration as the program will do it.
 
Also, how is this forum post related to this one?
Regards,

Hillary E
National Instruments
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Hi everyone,i am currently trying to communicate with two computers at the moment using TCP/IP.I have done a simple server and client VI but the server doesnt seem to be writing the string im trying to send and it also gives an error message

Error 1 occurred at TCP Write in Server.vi

Possible reason(s):

LabVIEW:  An input parameter is invalid. For example if the input is a path, the path might contain a character not allowed by the OS such as ? or @.

 

Would have attached the VIs but cant see anywhere to attach them.can you help me?

 

Thanks

 

Joseph

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The VIs went through..please look through and tell me the problem.Thanks

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Message 13 of 16
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osowoaji,

 

You should post your LabVIEW questions in the appropriate forum - this one is dedicated to LabWindows/CVI Smiley Wink

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Hi,

I am new in LabVIEW and I am using TCP communication protocol to send mix Data(Numeric, boolean) from 5 client(5 PC) to the RT Target. We are sending different data from different Host PC to the RT target. I am using TCP listener in RT target and TCP open coneection in PCs. Here I am facing problem is that every time I have to run RT vi first and then host PCs VI. If I am running PC vi first I am getting error 63 occured at TCP open connection. Is there any solution for this?  Is there any possibility to communicate if I run the any one of the VI first?  

 

Also I am not able to make a connection , Disconnection and connect to all connection switch to connect the network(communication) between different PC to RT Target. If you have any idea about this, please let me know.

 

Thanks!

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Srikant kumar,

 

you do not need to duplicate your posts - this is only annoying and will not speed up any answer. Also you should choose the appropriate forum, this one is for CVI, not LabVIEW

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