Thanks for your response. For the time being, I'm going to implement a workaround to my problem. At some point in the near future I'm going to upload a version of the model so we can find out what the problem was.
My Build Environment: MATLAB R2011a Block Set Version 3.5b My Application: I'm using the block set with a dsPIC33. I'm streaming ADC samples over UART1. You could call it a low speed oscilloscope. Each sample is encoded to a 5 character frame which is packed with a Vector Concatenate block and trans...