ST
Internal
Variables
External
Variables
// Start sequence when Trigger changes to TRUE.
IF ( (Trigger=TRUE) AND (LastTrigger=FALSE) AND (_Card1Ready=TRUE) ) THEN
OperatingStart:=TRUE;
Operating
END_IF;
LastTrigger:=Trigger;
// Initialize instance.
IF (OperatingStart=TRUE) THEN
FileRemove_instance(Execute:=FALSE);
OperatingStart:=FALSE;
END_IF;
// Execute FileRemove instruction.
IF (Operating=TRUE) THEN
FileRemove_instance(
IF (FileRemove_instance.Done=TRUE) THEN
Operating:=FALSE;
END_IF;
IF (FileRemove_instance.Error=TRUE) THEN
Operating:=FALSE;
END_IF;
END_IF;
NY-series Instructions Reference Manual (W560)
Variable
Data type
Trigger
BOOL
LastTrigger
BOOL
OperatingStart
BOOL
Operating
BOOL
FileRemove_instance
FileRemove
Variable
_Card1Ready
:=TRUE;
Execute :=TRUE,
FileName:='ABC.bin');
Initial value
FALSE
FALSE
FALSE
FALSE
Data type
Comment
BOOL
SD Memory Card Ready Flag
// File name
// Normal end
// Error end
2 Instruction Descriptions
Comment
Execution condition
Value of Trigger from previous task
period
Processing started.
Processing
2-1311
2