Documentation

Rising Edge Detection (IEC 61131)

Block name

R_TRIG

ST call

PROGRAM R_TRIG_DEMO
	 VAR
	 BOOL1,BOOL2: BOOL;
	 FB:R_TRIG;
	END_VAR
    FB(CLK:=BOOL1,Q=>BOOL2);
END_PROGRAM

Description

The block sends a pulse with duration of one cycle on the input signal's rising edge.

Inputs

Input Type Description Default value
CLK ANY_BOOL Input reading the rising edge of the signal False

Outputs

Output Type Description
Q BOOL Output signal

Application example

 

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