Keyword Registration And Password Registration - Mitsubishi Electric MELSEC Q Series Handbook

2
REPLACEMENT OF CPU MODULE
(2) Capacity of each memory
The following table shows the memory of CPU modules, in which the user program, etc. is stored,
together with its capacity.
(The memory capacity of each item is different according to CPU type. Please refer to the manual of
corresponding CPU.)
Item
Built-in RAM
2
E PROM
Memory
cassette
SRAM
cassette
SRAM card
2
E PROM
card
Memory
Flash card
card
ATA card
SD memory
card
Standard RAM
Standard ROM

2.4.2 Keyword registration and password registration

The Q series prohibits reading from/writing to programs, etc. when a password is registered, as do the
AnS/QnAS series with keyword registration. Available functions are described below.
Item
Prohibition method for writing
to program, etc.
AnS series QnAS series
Max. 64K bytes
(A2USHCPU-S1, Max. 240K bytes
A2ASCPU-S1/S30: (program memory)
256K bytes)
64K bytes
(for writing programs to
ROM)
-
- Max. 2M bytes
- Max. 512K bytes
- Max. 1M byte
-
-
-
-
AnS series
The following attribute can
be set to the specified
memory.
• Prohibition of read/write
Model
High-speed
Universal model QCPU
(QnUDVCPU)
Max. 1040K bytes
(program memory)
-
8M bytes
-
-
-
- -
- Max. 4G bytes
- Max. 1280K bytes
- Max. 4102K bytes
Model
QnAS series
Batch password setting for all files
Either of the following provides the equivalent function.
attributes can be set to the (Supplement)
specified memory (drive). By using a password, the following
• Prohibition of read/write/ attributes can be set to each specified
display file of the specified memory (drive).
• Prohibition of write • Prohibition of read/write/display
• Prohibition of write
Q series
Universal model QCPU
(excluding QnUDVCPU)
Max. 4000K bytes
(program memory)
-
-
Max. 8M bytes
-
Max. 4M bytes
Max. 32M bytes
-
Max. 1792K bytes
(Q00UJCPU: none)
Max. 16384K bytes
Q series
2
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