Documentation

Switch-Off Delay (IEC 61131)

Block name

TOF

ST call

PROGRAM TOF_DEMO
	 VAR
	 BOOL1,BOOL2: BOOL;
	 TIME1,TIME2: TIME;   
	 FB:TOF;
	END_VAR
    FB(IN:=BOOL1,PT:=TIME1,Q=>BOOL2,ET=>TIME2);
END_PROGRAM

Description

The block delays the falling edge of the input signal.

Inputs

Input Type Description Default value
IN BOOL Input signal False
PT TIME Time of the Off delay 0 s

Outputs

Output Type Description
Q BOOL Output signal
ET TIME Time since the in signal falling edge

Application example

 

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