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3.4 Buffer Memory Assignment
3.4.1 List of buffer memory assignment
3
SPECIFICATIONS
POINT
• The reserved areas in the above table and areas not mentioned in the
table are for system use, not for users. If written by a user, the functions
of the QD64D2 are not guaranteed.
• All data in the buffer memory of the QD64D2 are initialized when the
module is powered on or the programmable controller CPU is reset. To
save the necessary data, use the FROM/DFRO/TO/DTO instructions in
the sequence program or make setting with the utility package for writing/
reading of the buffer memory data.
• Since the buffer memory contents are automatically updated by count
operation, the latest count value can be read from the buffer memory.