Precautions For Cpu Module Replacement; Memory For Cpu Module - Mitsubishi Electric MELSEC Q Series Handbook

2
REPLACEMENT OF CPU MODULE

2.4 Precautions for CPU Module Replacement

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
AnS series
Built-in Program,
memory Parameter,
(RAM) Comment,
File register
Program,
Parameter
*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.
2
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Q series
Program Program,
Parameter,
memory
(Flash Comment,
ROM) Initial device value
(Drive 0)
File register,
Standard
Local device,
RAM
Sampling trace
(Drive 3)
Program,
Parameter,
Standard
Comment,
ROM
Initial device value
(Drive 4)
Program, Parameter,
Memory card
Comment,
(RAM)
Initial device value,
File register,
Local device,
(Drive 1)
Error history
Program, Parameter,
Memory card
Comment,
(ROM)
Initial device value,
File register
(Drive 2)
QnA series
Program
memory
(RAM)
(Drive 0)
Memory
card A
(RAM)
(Drive 1)
Memory
card A
(ROM)
(Drive 2)
Memory card (ROM) can
be replaced with a
memory card (ROM) in
the ROM operation.
Program,
Parameter,
Comment,
Initial device value
Program,
Parameter,
Comment,
Initial device value,
File register,
Local device,
Error history
Program,
Parameter,
Comment,
Initial device value,
File register