
PCAN-Router Pro – User Manual
61
Appendix C
Contents of a
CompactFlash Card
Applies to the standard firmware.
Contents of a CompactFlash card being prepared for data logging:
File system FAT16 (often just called FAT)
File
trace.btr
in the root directory (file name extension
.btr
=
binary trace)
File size: a multiple of 512 bytes (min. 1024 bytes), not
fragmented
File contents: empty bytes (00h)
The size and the time stamp of the file
trace.btr
are not altered by
the PCAN-Router Pro at data logging.
Capacity of CAN messages of the file
trace.btr
:
25
1
512
messages
CAN
.
⋅
⎟
⎠
⎞
⎜
⎝
⎛
−
=
btr
trace
Bytes
(theoretical value)
Important Note:
To optimize performance and reduce memory
card accesses, the PCAN-Router Pro saves incoming messages
in blocks. This means that the available storage space cannot
be used optimally. The size of the memory blocks is
configurable. For more information please contact our support: