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4. CPU MODULE
4.2.2 Memory capacity setting (for main program, file register, comment, etc.)
64k bytes user memory (built-in RAM) has fitted with the CPU module as standard
equipment.
Parameters, T/C set value, main program, sampling trace, status latch, file register, and
comment data are stored in the user memory.
(1) Calculation of memory capacity
Determine the data types to be stored and the memory capacity with parameters
before using the user memory.
Calculate the memory capacity according to Table 4.1.
Table 4.1 Memory capacity
Item Setting Unit Memory Capacity
Change
into
ROM
Remark
Parameter, T/C set value – 4 k bytes (fixed)
Usable
The parameter and T/C set
value occupy 4k bytes.
Main
program
Sequence program 1k step –
Microcomputer
program
2k bytes –
Sampling trace No/Yes 0/8k byte(s)
Not
usable
Status
latch
Data memory No/Yes 0/8k byte(s)
Memory capacity of status latch
in the file register is determined
by the file register points set in
the parameter.
File register No/Yes
File register 1k point
(Number of file register points)
2k bytes
–
Comment 64 points
When the comment capacity is
set, the system occupies 1k
byte.
(Main sequence program capacity)
2k bytes
(Main microcomputer program)k byte
(Number of file register points)
2k bytes
((Number of comments)/64+1)k bytes
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