Mitsubishi MELSEC-A series

8. MICROCOMPUTER MODE
8 − 8
MELSEC-A
8.3.4 Configuration of data memory area
The data memory area (8000
H
to 9FFF
H
) stores device data. The memory area of
each device and its configuration are as indicated below.
Device
CPU
Type
Address Configuration
A1
A1N
A1S
A1SJ(S3)
8000
H
to
803F
H
X0 to FF
A2
A2N
A2C
A52G
A0J2H
A1S-S1
A2S
8000
H
to
807F
H
X0 to 1FF
A2-S1
A2N-S1
A2S-S1
8000H
to
80FF
H
X0 to 3FF
Input
(X)
A3
A3N
A3V
A73
A3N board
A1SH
A1SJH
A2SH
A2SH-S1
A1FX
8000
H to
81FF
H
X0 to 7FF
A1
A1N
A1S
A1SJ(S3)
8200
H
to
823F
H
Y0 to FF
A2
A2N
A2C
A52G
A0J2H
A1S-S1
A2S
8000
H
to
827F
H
Y0 to 1FF
A2-S1
A2N-S1
A2S-S1
8200H
to
82FF
H
Y0 to 3FF
Output
(Y)
A3
A3N
A3V
A73
A3N board
A1SH
A1SJH
A2SH
A2SH-S1
A1FX
8200
H to
83FF
H
Y0 to 7FF
8200H
8202
H
8204
H
Odd address Even address
• Used for storing operation resul
t
of PC and allows read/write.
• Stored data area as follows:
0: OFF1
1: ON
Write
Read Direct mode
Refresh mode
Output module
Output refresh after END
instruction is executed
Output memory
8000H
8002H
8004H
Obtain actual input by the
following expression:
Input (X) = (XIM) V (X)
Odd address Even address
• Used for storing ON/OFF data
from input unit and allows only
read.
• Stored data area as follows:
0: OFF
1: ON
• Used for storing ON/OFF data
from remote station and allows
read/write.
• Stored data area as follows:
0: OFF
1: ON