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Forward with Enable (Clock-Driven Logic)

Last Modified: January 12, 2018

Stores data from one execution to the next when enable? is set to TRUE.

By default, the node stores data from only the previous execution. However, you can configure the node to store n samples of data by delaying the output of the node for multiple executions. If you increase Delay to more than one execution, the node outputs only the Initial Value(s) until the delay you specify is complete. The node then begins to output the stored values in subsequent order. The number on the node represents the number of delays you specify.



The data to be stored and sent to the next execution or iteration.


initial value

The value for the first execution or loop iteration.

Default: 0



A Boolean value that determines whether this node stores data from one execution or loop iteration to the next.

True The node stores data from one execution or loop iteration to the next.
False The node continues to output the value from the last execution or iteration where enable? was set to True.


The data stored from the previous execution or iteration.

Resolving Illegal Cycles

You can insert a Feedback Node into the cycle to resolve cycle errors.

Where This Node Can Run:

Desktop OS: none

FPGA: All devices

Web Server: Not supported in VIs that run in a web application

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