Mitsubishi MELSEC Q Series Handbook

2 SERIAL COMMUNICATION MODULE REPLACEMENT
2 - 23
2.5.2 Buffer memory
(1) Comparison between A/AnS series and Q series
There is no compatibility in the buffer memory assignments between the A/AnS series and the Q series.
Make a new sequence program.
The table below shows the main assignment areas for the initial settings and for transmission/reception.
:Compatible, :Partial change required, ×:Incompatible
*1 Make the initial setting on the utility package (GX Configurator-SC).
Buffer memory address Buffer memory name
Compat-
ibility
Precautions for replacement
HEX DEC
A series AnS series
AJ71UC24
A1SJ71UC24-R2
A1SJ71UC24-R4
0
H
0
Non-procedural send data count storage
area
On the Q series, the area of address 400
H
, 800
H
(1024, 2048) is
used as the send data count specification area.
1
H
to 7F
H
1 to 127 Send data storage area
On the Q series, the area from address 401
H
, 801
H
(1025, 2049)
is used as the send data specification area.
80
H
128
Non-procedural receive data count
storage area
On the Q series, the area of address 600
H
, A00
H
(1536, 2560) is
used as the receive data count specification area.
81
H
to FF
H
129 to 255 Receive data storage area
On the Q series, the area from address 601
H
, A01
H
(1537, 2561)
is used as the receive data storage area.
100
H
256
Non-procedural receive end code
specification
On the Q series, the area of address A5
H
, 145
H
(165, 325) is used
as the receive end code specification area.
to to to
On the Q series, the area from address 101
H
(257) onward is
used for various applications.
103
H
259
Non-procedural word/byte specification
area
On the Q series, the area of 96
H
, 136
H
(150, 310) is used as the
word/byte unit specification area.
*1
104
H
260
Non-procedural send buffer memory
head address specification area
On the Q series, the area of address A2
H
, 142
H
(162, 322) is used
as the send buffer memory head address specification area.
*1
105
H
261
Non-procedural send buffer memory
length specification area
On the Q series, the area of address A3
H
, 143
H
(163, 323) is used
as the send buffer memory length specification area.
*1
106
H
262
Non-procedural receive buffer memory
head address specification area
On the Q series, the area of address A6
H
, 146
H
(166, 326) is used
as the receive buffer memory head address specification area.
*1
107
H
263
Non-procedural receive buffer memory
length specification area
On the Q series, the area of address A7
H
, 147
H
(167, 327) is used
as the receive buffer memory buffer memory length specification
area.
*1
108
H
264
Non-procedural receive end data count
specification area
On the Q series, the area of address A4
H
, 144
H
(164, 324) is used
as the receive end data count specification area.
*1
109
H
265
On-demand buffer memory head
address specification area
On the Q series, the area of address A0
H
, 140
H
(160, 320) is used
as the on-demand buffer memory head address specification
area.
*1
10A
H
266 On-demand length specification area
On the Q series, the area of address A1
H
, 141
H
(161, 321) is used
as the on-demand data length specification area.
*1
10B
H
267 RS-232 CD terminal check setting area
On the Q series, the area of 97
H
, 137
H
(151, 311) is used as the
CD terminal check specification area.
*1
10C
H
to
DFF
H
268 to 3583 -
On the Q series, the area from address 10C
H
(152) onward is
used for various applications.

Mitsubishi MELSEC Q Series Specifications

General

Brand	Mitsubishi
Model	MELSEC Q Series
Category	Controller
Language	English