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??? Error using ==> rtwgen; S-Function without TLC

??? Error using ==> rtwgen; S-Function without TLC

??? Error using ==> rtwgen; S-Function without TLC

I created a Simulink model with components of the SimPowerSystems librrary. As the simulation speed is very slow I'd like to generate C-Code in order to use the rsim target of the real time workshop, to speed up the simulation a bit. But this ain't that easy. If I want to create the .rtw-file of the Simulink model file (mdl) I get the following error-message:

??? Error using ==> rtwgen
S-function 'ParkFiltCopy/G1/source/State-Space' parameters must be non-complex numeric arrays for Real-Time Workshop if the S-function does not have TLC.

The S-Function is called sfun_psbdq and actually there exists no tlc-file for it. Could it be that the S-Function isn't fully supported by the real time workshop yet? Do I have to write the TLC file by myself? Can you give me some hints about it? I'm using the 7.01 version of matlab. Could it be a remedy to install a newer version of Matlab?
Thanks a lot.



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