Mitsubishi Electric MELSEC-Q Series - Precautions for CPU Module Replacement; Memory for CPU Module

2 REPLACEMENT OF CPU MODULE
2 - 18
2.4.1 Memory for CPU module
The memory configuration is shown in (1). Examine the following points depending on the memory
capacity before replacement and applications.
• Memory to store
• To use or not to use a memory card
(1) Memory configuration and data that can be stored
2.4 Precautions for CPU Module Replacement
AnS series
Program,
Parameter,
Comment,
File register
Program,
Parameter
(Drive 0) (Drive 0)
(Drive 3)
(Drive 4)
Q series QnA series
Standard
ROM
Program,
Parameter,
Comment,
Initial device value
(Drive 1)
(Drive 2) (Drive 2)
Program, Parameter,
Comment,
Initial device value,
File register,
Local device,
Error history
(Drive 1)
Program,
Parameter,
Comment,
Initial device value,
File register,
Local device,
Error history
Program,
Parameter,
Comment,
Initial device value,
File register
Program,
Parameter,
Comment,
Initial device value
Program,
Parameter,
Comment,
Initial device value
File register,
Local device,
Sampling trace
Built-in
memory
(RAM)
M
e
m
o
r
y
c
a
s
s
e
t
t
e
(
E
2
P
R
O
M
)
Program
memory
(Flash
ROM)
Program
memory
(RAM)
Memory card
(RAM)
Memory card
(ROM)
Memory
card A
(ROM)
*
1
*
2
*
3
*
1
*
2
*
4
Program, Parameter,
Comment,
Initial device value,
File register
Memory card (ROM) can
be replaced with a
memory card (ROM) in
the ROM operation.
Standard
RAM
Memory
card A
(RAM)
*1 Only one drive, drive 1 or drive 2, can be
used.
*2 The Q00UJCPU, Q00UCPU, and
Q01UCPU do not have a memory card.
*3 An extended SRAM cassette is used for
the High-speed Universal model QCPU.
*4 An SD memory card is used for the
High-speed Universal model QCPU.