Canopen File Server - PROEMION CANlink mobile 3000 Series Device Manual

6.5. CANopen File Server

The CANlink mobile offers a local nonvolatile file storage that can be accessed by CANopen SDO. This functionality
for example is used for providing ECU update files to the machine received from the DataPlatform. Please also refer to
Transfer User File via the
The following functions are available for data access via the SDO:
Table 62. CANopen File Server Functions
Function Option
Code
wr ["]path name ["]
del ["]path name["]
rd ["]path name["] [-o n] [-l m] Read out of file
ls
cd [["]path["]] [..] [\]

File or path names that contain a space must be placed in quotation marks.
NOTICE
Folder or file names should consist of the following characters:
* letters (uppercase/lowercase)
* numbers

* ¬ (space)
* _ (underscore)
* - (hyphen)
For file names, a dot . is also accepted. However, it is also possible to create file names without a
dot ..
NOTICE
If a given path name starts with a \, the path is considered as starting in the root folder.

In case that the path name does not start with an \, the path is considered as starting within the
current folder.
NOTICE

Please be aware the filename ls.txt is reserved for the automatically generated listing file.
The following functions are available following data access via CANopen:
Table 63. CANopen File Server Functions
Index Subin Meaning Data
dex
0x44 0x01 Comman
44
d
0x44 0x02 Data
44
CANlink mobile 3000 Device Manual
DataPlatform.
Description
Type
Strin See function descriptions. Please be aware that the maximum accessible file
g
path size is 253 characters.
Domai See function descriptions
n
Description
Write in file (always in Append mode)
Delete file or directory
List file or directory
Change directory