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This is the E_TRAIN function block type for generation of a finite train of events as defined in Annex A of IEC 61499-1.

• The normal_operation sequence illustrates the operation of an instance of this FB type when N=3. The increment operation adds 1 to the iteration count CV, and the computeDelay operation converts the DT value to an internal representation that will support the microsecond resolution of the TIME data type.
• The no_restart sequence illustrates that the occurrence of a START event has no effect during operation of the cycle.
• The cycle_canceled sequence illustrates the cancellation of the cycle by a STOP event after two iterations.