
PLC programming
Library
FILE IO functions
8
8.8
8.8.3
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EDSTCXN EN 2.0
8.8.3.9 SYSREMOVEFILE
FUNCTION SYSREMOVEFILE: DINT
VAR_INPUT
filename_s : STRING(15); (* file name *)
END_VAR
The function is used to delete a file from the FLASHPROM, the RAM disk or the
FLOPPY.
filename_pc: Name of the file to be deleted. Optionally with preceding device ID and
colon ^ 390.
8.8.3.10 SYSDISKFORMAT
FUNCTION SYSDISKFORMAT: DINT
VAR_INPUT
device_s : STRING(15);
END_VAR
The function formats the FLASHPROM, the RAM disk or the FLOPPY. All data
will be deleted!
device_pc: Device name ^ 390. Empty string (" ") for the default device
(FLASHPROM).
Return value: Less than 0 for an error (all errors are defined in the global
constants of the library).
Declaration
Description
Parameters
Declaration
Description
Parameters
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