Preconditions for the Use of the FTP Server¶
- The FTP server is available on all AC500 PLCs with nboard Ethernet (i.e. “PM5xx-ETH”) and firmware version 2.1.0 or higher.
- To start the FTP server it has to be activated in the Automation Builder Configuration of FTP Server (< CBP 2.4).
- After downloading a project with an activated FTP server, you can connect to the PLC with a standard FTP client Connection to a PLC Running a FTP Server (e.g. “FileZilla”).
- You can log in with different user names giving access to different drives (for further details please see AC500_CPU_Memory_Locations.doc of the PLC):
| User Name | Accessible Drives | Comment |
|---|---|---|
| userdisk | user ramdisk “userdisk” |
Size depends on product |
| ramdisk | system ramdisk “ramdisk” The system ramdisk should only be used for Firmware updates |
Size depends on product |
| sdcard | SD card “sdcard” |
Availability and size depends on inserted SD card |
| flashdisk | flashdisk “flashdisk” |
PM592-ETH only |
| sramdisk | sramdisk “sramdisk” |
Size depends on product |
| root | All available drives | - |
Constraints for the usage of the FTP server are:
- User passwords are limited to 10 characters (no whitespaces).
- Directory and file names have to be in standard DOS 8.3 notation (e.g.: “abcdefgh.123” for a file or “12345678” for a directory) without \ / : * ? ” < > |.
- Directory and file names may not contain whitespaces and are not case-sensitive.
- Maximum total path length: 255 characters.
- Maximum number of files in the root directory is limited (depends on memory location).