Detecting A Falling Edge - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

35.2

Detecting a Falling Edge

F_TRIG(_E)
RnPCPU
RnCPU RnENCPU
(Process)
These function blocks detect a signal falling edge, and outputs the pulse signal.
Ladder, FBD/LD
[Without EN/ENO]
s d
Setting data
■Description, type, data type
Argument
EN
s (CLK)
ENO
d (Q)
35 EDGE DETECTION FUNCTION BLOCKS
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35.2 Detecting a Falling Edge
RnPCPU RnSFCPU RnSFCPU
(Redundant) (Standard) (Safety)
[With EN/ENO]
EN ENO
s
Description
Execution condition (TRUE: Executed, FALSE: Not executed)
Falling edge detection input
Output status (TRUE: Normal, FALSE: Abnormal or operation stop)
Output
Structured text
[Without EN/ENO]
Instance name(CLK:=s,Q:=d);
[With EN/ENO]
Instance name(EN:= en,ENO:=eno,CLK:=s,Q:=d);
d
Type Data type
Input variable BOOL
Input variable BOOL
Output variable BOOL
Output variable BOOL