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5.1.2 Program memory
(1) Definition
This memory is for storing programs and parameters for CPU module operation.
If the total size of data to be stored exceeds the program memory capacity:
• reduce the user setting system area, or
• transfer data other than programs to the standard ROM.
(2) Before using the program memory
Format the program memory by GX Developer.
(a) Formatting
Select [Online] [Format PLC memory] in GX Developer.
Select "Program memory/Device memory" in "Target memory"
Figure 5.2 Formatting the program memory
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