SIS function blocks > SIS Timer/Counter Blocks > Logic Solver On Delay Timer function block

Logic Solver On Delay Timer function block execution

The following figure shows the timed response of the LSOND function block:

Figure: LSOND Function Block Timing Diagram

When IN_D is False, OUT_D is set False and the elapsed time counter (ELAPSED_TIMER) is set to zero. When IN_D is True longer than TIME_DURATION, OUT_D is set True.