Configuration Of Data Memory Area - Mitsubishi MELSEC-A Series Programming Manual

8. MICROCOMPUTER MODE

8.3.4 Configuration of data memory area

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