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3 MEMORY CONFIGURATION OF THE CPU MODULE
3.2 File Size Unit in Memory
3.2 File Size Unit in Memory
The minimum unit of capacity for storing a file in the memory is referred to as the file size unit (cluster size).
File size unit based on memory area
Data is written in the unit of the file size (cluster size). For example, when 464 bytes of CPU parameter is
written to the data memory on R04CPU, it is written as 1024 bytes of data because the file size unit of the data
memory is 1024 bytes.
File size unit of each SD memory card
CPU module File size unit
Program memory Device/label memory Data memory Function memory
R00CPU, R01CPU, R02CPU 4 bytes 512 bytes 1024 bytes
R04CPU, R04ENCPU 2048 bytes
R08CPU, R08ENCPU 2048 bytes
R16CPU, R16ENCPU 4096 bytes
R32CPU, R32ENCPU 8192 bytes
R120CPU, R120ENCPU 16384 bytes
R08PCPU 128 bytes 2048 bytes
R16PCPU 4096 bytes
R32PCPU 8192 bytes
R120PCPU 16384 bytes
SD memory card File size unit
NZ1MEM-2GBSD 32K bytes
NZ1MEM-4GBSD
NZ1MEM-8GBSD
NZ1MEM-16GBSD
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