Справочник Пользователя для Mitsubishi Electronics AJ61QBT11
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3 SPECIFICATION
MELSEC-QnA
Table 3.4 Buffer memory list (2/2)
Address
Availability
Hex. Dec.
Item Details
Read/write
possibility
Master station
Local
station
Reference
When master station: Stores the
received data from the remote/local
station.
received data from the remote/local
station.
–
2E0
H
to
3DF
H
736 to
991
Remote register (RWr)
(Master station:
for receiving
Local station:
for receiving)
(Master station:
for receiving
Local station:
for receiving)
When local station: Stores the
received data from the master
station.
received data from the master
station.
Read only
Section
3.5.2 (3)
3E0
H
to
5DF
H
992 to
1503
(Prohibited to use) –
–
–
–
–
5E0
H
to
5FF
H
1504
to
1535
Link special relay (SB) Stores the data-link status.
Section
3.5.2 (4)
3.5.2 (4)
600
H
to
7FF
H
1536
to
2047
Link special register
(SW)
(SW)
Stores the data-link status.
Read/write
enabled
(write
disabled
depending
on the
device)
enabled
(write
disabled
depending
on the
device)
Section
3.5.2 (5)
3.5.2 (5)
800
H
to
9FF
H
2048
to
2559
(Prohibited to use) –
–
–
–
–
A00
H
to
FFF
H
2560
to
4095
Random access buffer
Uses for dedicated instruction of
RIRD, RIWT, etc.
RIRD, RIWT, etc.
Read/write
enabled
enabled
Section
15.6
15.6
1000
H
to
1FFF
H
4096
to
8191
Transmission and
receiving buffer
receiving buffer
Stores the transmission and received
data and the control data when a
transient transmission
(communication using the
transmission and receiving buffer) is
made with the intelligent device
stations.
The area for each intelligent device
station is set with the network
parameters.
data and the control data when a
transient transmission
(communication using the
transmission and receiving buffer) is
made with the intelligent device
stations.
The area for each intelligent device
station is set with the network
parameters.
Read/write
enabled
enabled
Section
15.2.1
15.2.1
2000
H
to
2FFF
H
8192
to
12287
Automatic updating
buffer
buffer
Stores the automatic updating data
when a transient transmission
(communication using the automatic
updating buffer) is made with the
intelligent device stations.
The area for each intelligent device
station is set with the network
parameters.
when a transient transmission
(communication using the automatic
updating buffer) is made with the
intelligent device stations.
The area for each intelligent device
station is set with the network
parameters.
Read/write
enabled
enabled
–
Section
15.2.1
15.2.1
: Usable : Prohibited to use
Do not write to areas that are prohibited to use. An error may occur.