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2.1.3
Files
For the files written to the CPU module, information such as written date, file name (if created), and file size are
appended to the file. By monitoring the file through Read from PLC, the file is displayed as shown below.
[Online] [Read from PLC...]
*1 For a file name of the data to be stored to an SD memory card, only ASCII characters can be used. For the
applicablecharacters, refer to the following.
Operating manual for the programming tool used
Item Description
File name
*1
A file name consists of a name (up to eight characters) and an extension (three characters).
• File name: Create with uppercase characters only.
• Extension: It is automatically appended according to the specified file type.
The following cannot be used as a file name since they are the reserved words of Microsoft Windows .
COM1 to COM9, PRN, LPT1 to LPT9, NULL, AUX, CLOCK$, and CON
When using characters, recognition of uppercase and lowercase differs depending on the memory.
• Program memory, standard RAM, standard ROM: Not case-sensitive ("ABC" and "abc" are both considered to be "ABC".)
• SD memory card: Case-sensitive
Update date The date and time when the file was written to the CPU module is displayed.
Size
Except for file registers, at least 64 bytes are added to the capacity of the file created by a user.
To display the latest data, click the "Refresh" button.
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