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MELSEC-Q
1 OVERVIEW
1.2 Programs
(1) Program management by memory card
(a) Programs created with GX Developer can be stored in the QCPU's program
memory, standard ROM or memory card.
QCPU
Program memory
Parameter
Program
Standard ROM 1
Parameter
Program
File register
(only read process
is enabled)
Standard RAM 2
File register
(32k word)
RAM
Parameter
Program
File register
ROM
Parameter
Program
File register
When Flash card
is used, only read
process is enabled
Memory
card
1: The standard ROM is used when parameters and programs are written
to ROM.
2: The standard RAM is used when access to the file register need to
speed up.
(b) The QCPU processes programs stored in the program memory.
Program memory
Execution of program
in program memory
QCPU
Parameter
Program
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