FileEOF

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Function Block - Test if the end of the file is reached in a file that is open for reading.

Inputs

Input	Data Type See Data Types.	Range	Unit	Default	Description
Execute	BOOL	FALSE, TRUE	N/A	No default	On the rising edge, test if the end of the file is reached.
ID	UDINT	No range	N/A	No default	The ID of the open file.

Input

Data Type

See Data Types.

Range

Unit

Default

Description

Execute

BOOL

FALSE, TRUE

N/A

No default

On the rising edge, test if the end of the file is reached.

UDINT

No range

N/A

No default

The ID of the open file.

Outputs

Output	Data Type See Data Types.	Range	Unit	Description
Done	BOOL	FALSE, TRUE	N/A	If TRUE, the command completed successfully.
Error	BOOL	FALSE, TRUE	N/A	If TRUE, an error has occurred.
ErrorID	DINT	Enumerated	N/A	Indicates the error if Error output is TRUE. See the table in File, Recipe, and TCP/IP Function Block ErrorIDs.
EOF	BOOL	FALSE, TRUE	N/A	TRUE if the end of the file has been encountered.

FBD Language Example

Not available.

FFLD Language Example

Not available.

IL Language Example

Not available.

ST Language Example

(* FileEOF example *)
CASE StepCounter OF
0:
   Inst_FileEOF(TRUE, MyInputFileID);
   StepCounter := StepCounter + 1;
1:
   Inst_FileEOF(TRUE, MyInputFileID);
   IF Inst_FileEOF.Done THEN
      EofReached := Inst_FileEOF.EOF;
      Inst_FileEOF(FALSE, 0);
      StepCounter := StepCounter + 1;
   END_IF;
END_CASE;