Jetter AG
Programming | 7
JCM-501-E00 User Manual
33 / 59
7.8.3 File system memory
The file system memory is for storing data and program files.
Properties
■
Non-volatile
■
Size of internal flash disk: 368 MByte
Type of access
■
By operating system
■
By JetSym
■
Via FTP connection
■
By browser (via HTTP server)
■
By means of file commands from within the application program
7.8.4 Application program memory
By default, the application program is uploaded from JetSym to the JCM-501-E00
and is stored there.
Properties
■
Stored as file within the file system
■
Default directory
\app\program name
■
Files may also be stored to other directories (or USB flash drive)
Type of access
■
By operating system
■
By JetSym
■
Via FTP connection
■
By means of file commands from within the application program
7.8.5 Flash disk
Data can be stored directly on the flash disk. The following rules apply when us-
ing a flash disk:
■
Do not open more than 8 files at a time.
■
Separate directory names by a slash “/”.
■
The properties of all created files hold their creation date and time as provided
by the controller.
■
Date, time, and file size are not available for all system files.
Flash disk
Capacity
The following disk space is available to the user:
Parameter
Value
Flash disk capacity,
total
512 MB
Size of folder
App
(of the
a.m. capacity)
64 MByte
Size of folder
Data
(of the
a.m. capacity)
368 MByte
Tab. 37:
Flash disk capacity
Properties
The properties of the internal flash disk drive are listed below:
■
Up to 7 directory levels and 1 file level are allowed.
■
No case sensitivity.
■
Directory and file names with a length of up to 63 characters are possible.