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MELSEC-Q
3 SPECIFICATIONS
(4) Common Memory Addresses
Addresses in common memory differ depending on whether they are designated
by the programmable controller CPU or by a BASIC program, and are as follows.
(a) If designated from the programmable controller CPU
If designated by the programmable controller CPU, addresses are in 1-
word units.
Also, common memory addresses are designated from C00
H
to 1BFF
H
in
hexadecimal notation.
(b) If designated by a BASIC program
If designated by a BASIC program, addresses are in 1-byte units.
Also, common memory addresses are designated from 1800
H
to 37FE
H
in
hexadecimal notation.
37FC
H
37FD
H
37FE
H
37FF
H
1BFE
H
1BFF
H
1800
H
1801
H
1802
H
1803
H
C00
H
C01
H
Designated from the
programmable
controller CPU using
a FROM/TO command.
(1-word units) Address designated by
GETMEM / PUTMEM
in a BASIC program.
(1-byte units)
Common Memory
Lower order 8 bits
Higher order 8 bits
Lower order 8 bits
Higher order 8 bits
Lower order 8 bits
Higher order 8 bits
Lower order 8 bits
Higher order 8 bits
REMARK
Refer to the Programming Manual (Commands) concerning the GETMEM and
PUTMEM commands.