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Always False

  • Library:
  • AFI block


The AFI block implements the AFI ladder logic instruction. This block sets its EnableOut signal to false. Use this block to temporarily disable a rung while you are debugging.



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Controls the execution of the block. EnableIn reflects the rung state preceding the block. If the rung state preceding the block is false, EnableIn is false, the block does not execute and the outputs are not updated.


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When the block executes, it automatically sets the EnableOut to false. This disables the subsequent blocks on the rung.

Version History

Introduced in R2019a

See Also

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