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5.2 High Performance Model QCPU, Process CPU and Redundant CPU
5.2.9 Details of written files
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MEMORIES AND FILES HANDLED BY CPU MODULE
5.2.9 Details of written files
The file name, size, written date and time, etc. set for the created file using GX Developer
are added to each file written to the High Performance model QCPU, Process CPU or
Redundant CPU.
Choose [Online] [Read from PLC] on GX Developer and monitor the files. The files are
displayed as shown below.
(a) File name
1) File name structure and file specification
Each file has a file name (maximum 8 characters) and extension (3
characters).
When files are written from GX Developer to the High Performance model
QCPU, Process CPU or Redundant CPU, all file names change to uppercase
characters.
When specifying a file name in a sequence program, enter it in uppercase.
An extension is automatically added according to the type set when the file
was written to the High Performance model QCPU, Process CPU or
Redundant CPU.
2) Characters unavailable for file names
The following words reserved for MicrosoftO WindowsO cannot be used for
file names.
• COM1 to COM9 • PRN
• LPT1 to LPT9 • NUL
• AUX • CLOCK$
• CON
Diagram 5.37 Display of file details
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