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MELSEC-Q
7 FUNCTION
7.10.2 Writing a batch of files during RUN
(1) File-Write During RUN function
(a) The file-write during RUN function is used to write a batch of files to the
High Performance model QCPU as shown below in the table.
High Performance model QCPU Built-in Memory Card (RAM) Memory Card (ROM)
Memory Name
Program Memory Standard RAM Standard ROM SRAM Card Flash Card ATA Card
Parameter
Intelligent function
module parameter
Program
Device comment
Device initial value
File register
Local device
Debug data
Failure history data
PLC user data
: Writable data , : Unwritable data
: Writable data if access is not being made in sequence
program
Personal computer
Program file A
Writing of
program file A
POINT
The file-write during RUN allows writing three types of files:
• Program: program memory, SRAM card, ATA card
• Device comment: program memory, SRAM card, ATA card
• File register: standard RAM, SRAM card
Any other files cannot be written while the High Performance model QCPU is in the
RUN status.
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