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Basic Operation
21
Doc.Id. HMSI-27-212
Anybus CompactCom 40 EtherNet/IP
Doc.Rev. 1.5
2.6.2 General Information
The built-in file system hosts 28 MByte of non volatile storage, which can be accessed by the HTTP and
FTP servers, the email client, and the host application (through the Anybus File System Interface Object
(0Ah)).
The file system uses the following conventions:
• ‘\’ (backslash) is used as a path separator
• Names may contain spaces (‘ ’) but must not begin or end with one.
• Valid characters in names are ASCII character numbers less than 127, excluding the following
characters: ‘\ / : * ? “ < > |’
• Names cannot be longer than 48 characters
• A path cannot be longer than 126 characters (filename included)
See also...
• “FTP Server” on page 22
• “Web Server” on page 24
• “E-mail Client” on page 32
• “Server Side Include (SSI)” on page 33
• “Anybus File System Interface Object (0Ah)” on page 131
• “Application File System Interface Object (EAh)” on page 174
IMPORTANT:
The file system is located in flash memory. Due to technical reasons, each flash segment can be erased
approximately 100000 times before failure, making it unsuitable for random access storage.
The following operations will erase one or more flash segments:
• Creating, deleting, moving or renaming a file or directory
• Writing or appending data to an existing file
• Formatting the file system
2.6.3 System Files
The file system contains a set of files used for system configuration. These files, known as “system files”.
are regular ASCII files which can be altered using a standard text editor (such as the Notepad in Micro-
soft Windows
TM
). The format of these files are, with a few exceptions, based on the concept of ‘keys’,
where each ‘key’ can be assigned a value, see below.
Example
[Key1]
value of Key1
[Key2]
value of Key2