B&R – PLC – Structured Text – TOF

TOF(IN,PT,Q,ET)

I/O	Parameter	Data Type	Description
IN	IN	BOOL	Input signal
IN	PT	TIME	Delay Time
OUT	Q	BOOL	Output signal, the falling edge of the input signal is delayed by PT
OUT	ET	TIME	Elapsed time

This function block works on a 10 ms base, i.e. it is not precise down to 1 ms.

TOF_01( IN:=input, PT:=T#1s200ms );

output := TOF_01.Q;

elapsedTime := TOF_01.ET;