The flow control block allows the code before it to be executed repeatedly until a condition is satisfied.
Time Based #
This is a Time-Based block (takes time to execute and holds the code sequence following it until it finishes executing).
External Inputs and Outputs #
This block has 1 Sequential External Input and Output.
The code before the Loop Input is the code to be repeated until the condition is met.
Internal Inputs and Outputs #
This block has also an Input and an Output inside of it, which form the condition loop to check on.