[TRNSYS-users] Matlab/Simulink coupled with TRNSYS - Can run simulation only once per Matlab start

[Diego A. Arias]

Dear Nikola,

I had not seen this problem before. Could you please send me the files 
required to run your project? 
Best regards,

Diego

Radenkovic Nikola (TT/ESY1) wrote:
>
> Hello all,
>
> I am using Trnsys module as a part of my Simulink model. It has all 
> been working fine, apart from one thing - if I run simulation once 
> (and it finishes, or I interrupt it), prior to running it again, I 
> have to close and reopen Matlab, otherwise I get the following error 
> message (exception):
>
> Error in 'efhb1_radiators_mixed_unmixed/Gebäude/coupling/TRNSYS1' 
> while executing M-File S-function 'trn_sfun', flag = 0 (initialize), 
> at start of simulation. MATLAB error message:
>
> Unknown Windows exception value=c000008c in MATLAB.
>
> I stepped through the Fortran code, and located the exception in the 
> RCHECK.FOR, when the following is executed (as KKOUT has silly value):
>
> C          DETERMINE OUTPUT VARIABLE TYPE
>            * **ATMP1 = OCHECK(KKOUT)*
>
>       * *
>
> Of course, on first run, it goes without error.
>
> Trnsys .OUT file reports no error.
>
> Anyone having similar problems or ideas of what might be going wrong?
>
> Thanks,
> Nikola
>
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-- 

Diego A. Arias
TRNSYS Coordinator
Solar Energy Laboratory
University of Wisconsin - Madison
1500 Engineering Drive
Madison, WI 53706