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7 MEMORY CONFIGURATION AND DATA PROCESS
7.1 Configuration and roles of D75P2 memory
7.1.1 Configuration and roles of D75P2 memory
Memory
configuration
Area that can be directly accessed
with sequence program from PLC
Buffer memory
CPU.
Area for backing up data required
Flash ROM
for positioning.
Area used by system.
OS memory
: Setting and storage area provided, Not possible: Data is lost when power is turned OFF
– : Setting and storage area not provided, Possible: Data is held even when power is turned OFF
The D75P2 is configured of the following three memories.
Role
Area configuration
–
7 - 2
MELSEC-A
–
–
–
–
–
–
–
Not
pos-
sible
Pos-
–
sible
Not
pos-
–
sible
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