Memory Capacity Setting (For Main Program, File Register, Comment, Etc.) - Mitsubishi Electric MELCEC Q Series User Manual

4. CPU MODULE
4.2.2

Memory capacity setting (for main program, file register, comment, etc.)

QCPU-A has 144k bytes of user memory (RAM) as standard.
Parameters, T/C set values, main programs, MELSECNET/10 network parameters,
expanded comment, file register, and comment data are stored in the user memory.
(1)
(With Q02CPU-A/Q02HCPU-A)
Item
Parameter
T/C set value
Sequence program
Main program
Microcomputer
program
MELSECNET/10 parameter
Expanded comment
Extension file register (built-in)
File register
Comment
Extension file register (memory card)
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 Parameter setting and memory capacity
Setting Unit Capacity Calculation Formula
– 3k bytes (fixed)
– 1k byte (fixed)
1k step
Number of steps
1k byte Preset number of bytes
– See note 3.
Preset number of bytes (1k byte =
1k byte
64 points)
Number of file register points
8k points
bytes
Number of file register points
1k point
bytes
Preset number of bytes (1k byte =
1k byte
64 points)
Number of file register points
8k points
bytes
Max. Available Memory Capacity
3k bytes (fixed)
1k byte (fixed)
56k bytes
2k bytes
54k bytes
16k bytes
63k bytes
2k
128k bytes
2k
16k bytes
64k bytes
2k
304k bytes
4 - 18
Write to
ROM
Available
Total:
60k
bytes
Total:
144k
bytes
Not
available
Remark
Dedicated
to SFC
*1
*1