Mitsubishi 00JCPU User Manual page 179

Q series programmable controller
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2) Calculation of program size
The program size is found by the formula: sequence program size + reserved area for online change.
Since files are stored in units of file sizes to the program memory, the parameter file size is 525 steps + 500
steps = 1025 steps. However, the file occupies 1536 steps/6144 bytes.
Sequence
program
Reserved
area for online
change
Figure 5.42 Occupation in units of the file size (program file)
3) Result
The calculation results of the memory capacities are as shown below.
File name
PARAM.QPA
Sequence program size
Reserved area for online
MAIN.QPG
Total memory capacity
CHAPTER5 MEMORIES AND FILES USED FOR CPU MODULE
<In program memory>
Sequence
525 steps
program
Reserved
500 steps
area for online
change
Table5.16 Calculation results of memory capacities
File size
564 bytes
525 steps
500 steps
change
Total
1025 steps
The parameter file
occupies1536 steps
(6144 bytes).
Memory capacity
512 steps (2048 bytes)
1536 steps (6144 bytes)
2048 steps (8192 bytes)
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