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2
SERIAL COMMUNICATION MODULE REPLACEMENT
2.5.2 Buffer memory address comparison
(1) Between AnS series and L series
Buffer memory address assignments are incompatible between AnS series and L series.
Create a new sequence program.
The following table lists the default address assignments for the areas used for initial setting and data
communications.
Address
Hexadecimal
Decimal
0
0
H
1
1
H
to
to
7F
127
H
80
128
No-protocol received data length storage area
H
81
129
H
to
to
FF
255
H
100
256
Area to specify completed code in no-protocol mode
H
to
to
103
259
Area to specify word or byte units in no-protocol mode
H
Area to specify head address of send buffer memory
104
260
H
105
261
Area to specify send buffer size for no-protocol mode
H
Area to specify head address of receive buffer
106
262
H
Area to specify receive buffer size for no-protocol
107
263
H
Area to specify receive completed data length in no-
108
264
H
Area to specify head address of on-demand buffer
109
265
H
10A
266
H
10B
267
Area to specify RS-232C CD terminal check
H
to
to
DFF
3583
H
*1
Configure initial settings using the utility package (GX Configurator-SC).
If GX Works2 is used, configure initial settings under intelligent function module settings.
Name
AnS series
A1SJ71UC24-R2
A1SJ71UC24-R4
No-protocol send data length storage area
Send data storage area
Received data storage area
:
for no-protocol mode
memory for no-protocol mode
mode
protocol mode
memory
Area to specify on-demand data length
:
-
: Compatible,
: Partial change required, ×: Incompatible
Compatibility
Precautions for replacement
In the L series, this area is assigned to the addresses
400
, 800
(1024, 2048).
H
H
In the L series, this area is assigned to the addresses
starting from 401
, 801
H
In the L series, this area is assigned to the addresses
600
, A00
(1536, 2560).
H
H
In the L series, this area is assigned to the addresses
starting from 601
, A01
H
In the L series, this area is assigned to the addresses
A5
, 145
(165, 325).
H
H
In the L series, 101
H
are used for various applications.
In the L series, this area is assigned to the addresses
96
, 136
(150, 310).
H
H
In the L series, this area is assigned to the addresses
A2
, 142
(162, 322).
H
H
In the L series, this area is assigned to the addresses
A3
, 143
(163, 323).
H
H
In the L series, this area is assigned to the addresses
A6
, 146
(166, 326).
H
H
In the L series, this area is assigned to the addresses
A7
, 147
(167, 327).
H
H
In the L series, this area is assigned to the addresses
A4
, 144
(164, 324).
H
H
In the L series, this area is assigned to the addresses
A0
, 140
(160, 320).
H
H
In the L series, this area is assigned to the addresses
A1
, 141
(161, 321).
H
H
In the L series, this area is assigned to the addresses
97
, 137
(151, 311).
H
H
In the L series, 10C
H
are used for various applications.
(1025, 2049).
H
(1537, 2561).
H
(257) and subsequent addresses
*1
*1
*1
*1
*1
*1
*1
*1
*1
(152) and subsequent addresses
2
- 17
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