tommymorris
Just documenting a problem and solution with the Simulink interface to hopefully help others.

I was receiving the following messages from the simlink.exe application running in Cygwin:
"Error receiving data: : Resource temporarily unavailable"
"Error receiving data on socket 5"

OpenPLC and simlink.exe were not able to communicate. 

After lots of struggles, I realized that McAfee VirusScan Enterprise was blocking the connection. I needed to use the VirusScan Console and disable Access Protection.  After doing that I am able to use the Simulink Interface.

My config: Matlab Simulink and OpenPLC were both running on the same Windows 10 PC. They communicate through 127.0.0.1.

PS. Thanks for your help, Thiago.
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