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Submitted by Joe on Tue, 06/01/2010 - 21:23
I have noticed that when I right click on some block output pins I see 'not executed'. They only execute after attaching a display or plot block to the output. Why is that?
Submitted by Anders89 on Tue, 06/01/2010 - 21:34.
In some sense, it boils down to the philosophical question: 'If a tree falls in the forest, and no one is there to hear it, does it make a sound?'. VisSim chooses to answer this question 'no'. This is a VisSim feature to optimize performance. If the block has no output, (a 'signal consumer') it is always executed. If a block has one or more output pins, and none of them are used or ultimately connected to a signal consumer, then VisSim does not include the block in the execution set. Some examples of signal consumers are: display, plot, histogram, PWM output, OPC write, CAN bus write, UDP packet write , export to file.
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