Error in port widths or dimensions

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Hi everyone, I have a problem when running my simulink file. I have pid block and s-function block diagram in simulink file with the 11 outputs and 1 input. When I try to run this file I receive the following error for pid block:
Error in port widths or dimensions. Output port 1 of 'project1_simu/PID Controller' is a one dimensional vector with 11 elements
and the following error for s-function file:
Error in port widths or dimensions. Input port 1 of 'project1_simu/S-Function' is a one dimensional vector with 1 elements
How to solve this error?

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Kaustubha Govind
Kaustubha Govind il 1 Feb 2012
Apparently the S-function expects a scalar value, but you are feeding in a vector of length=11. If you've written the S-function, you need to use something like "ssSetInputPortWidth(S, 0, 11);" or "ssSetInputPortWidth(S, 0, DYNAMICALLY_SIZED);" in mdlInitializeSizes.
  2 Commenti
yana osman
yana osman il 13 Feb 2012
Thanks...but i received another error
" State derivatives returned by S-function 'chiu_sfcn' in 'project1_simu/S-Function1' during flag=1 call must be a real vector of length 11."
Do you have any ideas on how to solve this?
Kaustubha Govind
Kaustubha Govind il 13 Feb 2012
The error clearly states the issue. The value you are returning for flag=1 needs to be a real vector of length=11. What are you returning in "sys"?

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