Mitsubishi Electric MELSEC iQ-R Series - Detecting a Falling Edge

1978
35 EDGE DETECTION FUNCTION BLOCKS
35.2 Detecting a Falling Edge
35.2 Detecting a Falling Edge
F_TRIG(_E)
These function blocks detect a signal falling edge, and outputs the pulse signal.
Setting data
■Description, type, data type
Ladder, FBD/LD Structured text
[Without EN/ENO] [With EN/ENO] [Without EN/ENO]
Instance name(CLK:=s,Q:=d);
[With EN/ENO]
Instance name(EN:= en,ENO:=eno,CLK:=s,Q:=d);
Argument Description Type Data type
EN Execution condition (TRUE: Executed, FALSE: Not executed) Input variable BOOL
s (CLK) Falling edge detection input Input variable BOOL
ENO Output status (TRUE: Normal, FALSE: Abnormal or operation stop) Output variable BOOL
d (Q) Output Output variable BOOL
RnCPU
RnENCPU
RnSFCPU RnSFCPURnPCPURnPCPU
(Standard) (Safety)
(Redundant) (Process)
sd
EN ENO
ds