
B-63644EN/02 IV. OPERATION 4.16i/18i DATA SERVER FUNCTIONS
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4.1.2 Differences Between a File Number, O Number, and File Name
This subsection explains the differentiation between a file number, O
number, and file name described in this manual.
•
••
• File number
Used to identify a file (data) stored in the Fast data server ATA flash
card or host computer hard disk.
•
••
• O number
Used to identify the NC program stored in the CNC part program
storage memory.
•
••
• File name
Used to identify a file (data) stored on the Fast data server ATA flash
card or host computer hard disk.
4.1.3 Entering a File Number, O Number, and File Name
This subsection explains how to enter a file number, O number, and file
name using the MDI keys.
• File number : Enter a numeral only.
• O number : Enter O plus numerals.
• File name : Enter / plus characters. Characters other than numerals
only, as well as O plus numerals, are also used as file
names.
Example:
Input Meaning Content
O1 O number O0001
O0123 O number O0123
/O1 File name O1
1 File number 1
/1 File name 1
/ABC File name ABC
NOTE
A file name has an 8.3 format. In other words, the file
name consists of an eight-character name + three-
character extension.