Connecting to xPC Target machine takes too long time

Question

Süleyman 2011-6-25

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https://ww2.mathworks.cn/matlabcentral/answers/10255-connecting-to-xpc-target-machine-takes-too-long-time

Hi,

I have a model containing a communication block with serial ports (RS422) for xPC target. The other blocks are standard simulink blocks and I have three simple s-functions.

The compilation, downloading and connecting times were normal at the beginning. However, after a few days I started to have some problems with connecting to the target machine. It takes too long time to connect (7-8 minutes sometimes). I am trying to connect in external mode with TCP/IP. I did not add any new blocks to the model, just changed some parameters and modified the blocks.

Can somebody help about this?

Suleyman

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Answer 1

Arnaud Miege 2011-6-28

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I would suggest contacting technical support.

HTH,

Arnaud

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Answer 2

Süleyman 2011-6-28

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Arnaud,

Thank you for your advice. I searched about the problem in the internet and found not the same but similar problems. Finally, I decided to remove all the files and folders that Matlab created at the compilation time. Only the model and the c-files that s-functions in the model use left in the directory. Then I built model again and the problem was solved. Now, it takes 3-6 seconds to connect the target model via external mode again, it was about 7-8 minutes when the problem arose.

Suleyman