Electric Drives
and Controls
8−1Bosch Rexroth AGRhoMotion1070072367 / 04
File management
8 File management
The rho4.0 file system is used for user memory management. The visual
appearance and the range of functions are similar to file management
under DOS (FAT) or Windows 95 (VFAT).
Some controller-specific functions such as real-time capability and
password protection.
8.1 File management function
The rho4.0 file system is block oriented, i.e. a file is distributed over a
number of data blocks. The data blocks are 512 bytes in size.
Block 1 Adr: 00512 Text.dat
This is a sequential file. The blocks
are located at
Block 2 Adr: 01024 contiguous addresses
Block 3 Adr: 01536 Free block
Block 3 Adr: 02048 Free block
...
...
...
Block n Adr: XXXXX Last block
File is sequential in memory
Block 1 Adr: 00512 Text.dat
This is a non-sequential file. The
blocks are
Block 2 Adr: 01024 Occupied block
Block 3 Adr: 01536 distributed in memory
Block 3 Adr: 02048 Free block
...
...
...
Block n Adr: XXXXX Last block
File is not sequential in memory
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