
PLC programming
Library
FILE IO functions
8
8.8
8.8.3
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EDSTCXN EN 2.0
8.8.3.12 SYSDISKINFO
FUNCTION SYSDISKINFO: DINT
VAR_INPUT
info_p : DINT; (* Address of a variable of type DISKINFO_TR *)
pattern_s : STRING(15); (* search pattern *)
END_VAR
The function detects the usage data for a device and stores it in the disk info
structure defined.
The disk info structure is structured as follows:
TYPE DISKINFO_TR
STRUCT
blocksize_w : WORD; (* Size of a logical block in bytes *)
blocknumb_w : WORD; (* Formattet total capacity in blocks *)
blockused_w : WORD; (* Used capacity in blocks *)
blockfree_w : WORD; (* Free capacity in blocks *)
END_STRUCT
END_TYPE
info_p: Pointer to the disk info structure.
device_pc: Pointer to the device name ^ 390. Empty string (" ") for the default
device.
Declaration
Description
Parameters
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