Fileread - Omron NY532-5400 Reference Manual

FileRead

The FileRead instruction reads the data from the specified file in the SD Memory Card.
Instruction
FileRead Read File
Variables
Name Meaning
FileID File ID
Size Number of
elements to
read
ReadBuf[] Read buffer In-out
(array)
ReadSize Number of
read ele-
ments
EOF End of file
Bit strings
FileID
Size
ReadBuf[] OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK
(array)
ReadSize
EOF OK
NY-series Instructions Reference Manual (W560)
Name FB/FUN
FB
I/O Description
ID of file to read
Number of elements to read
Input
Buffer in which to write data
that was read
Number of elements that
were actually read
Whether end of file was
Output
reached
TRUE: Reached.
FALSE: Not reached.
OK
OK
Arrays enumerations or structures can also be specified.
OK
Graphic expression
FileRead_instance
FileRead
Execute Done
FileID Busy
ReadBuf
Size Error
ErrorID
ReadSize
EOF
Valid range
Depends on data type.
Depends on data type.
Depends on data type.
Integers
2 Instruction Descriptions
ST expression
FileRead_instance(Execute,
FileID, ReadBuf, Size,
Done, Busy, Error, ErrorID,
ReadSize, EOF);
Unit Default
0
1
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Times, durations, dates,
and text strings
2-1265
2