LTOF (FB)

FUNCTION_BLOCK LTOF

Timer of delay. Q is FALSE, after the delay defined in PT and IN had a faling edge.

InOut:

Scope	Name	Type	Comment
Input	IN	BOOL	starts timer with falling edge, resets timer with rising edge
	PT	LTIME	time to pass, before Q is reset
Output	Q	BOOL	is FALSE, PT seconds after IN had a falling edge
	ET	LTIME	elapsed time since falling edge at IN