Table of Contents

F_TRIG

Block name

F_TRIG

ST call

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

Description

The block detects a falling edge and generates a pulse on the output with duration of one cycle.

Inputs

InputType Description Default value
CLK ANY_BOOLInput reacting on falling edgeFalse

Outputs

OutputTypeDescription
Q BOOLOutput signal

Application example