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2
SERIAL COMMUNICATION MODULE REPLACEMENT
Address
Hexadecimal
Decimal
CH1 Send/receive buffer memory
400
1024
H
401
1025
H
to
to
5FF
1535
H
600
1536
H
601
1537
H
to
to
7FF
2047
H
CH2 send/receive buffer memory
800
2048
H
801
2049
H
to
to
9FF
2559
H
A00
2560
H
A01
2561
H
to
to
BFF
3071
H
C00
3072
H
to
to
1AFF
6911
H
1B00
6912
H
to
to
1FF6
8182
H
1FF7
8183
H
to
to
1FFF
8191
H
2000
8192
H
2001
8193
H
to
to
7FFF
32767
H
Name
QnAS series
A1SJ71QC24N1
A1SJ71QC24N1-R2
Send data count designation
Send data designation
Receive data count designation
Receive data storage
Send data count designation
Send data designation
Receive data count designation
Receive data storage
User area
User frame
registration
System area(Use prohibited)
-
: Compatible,
L series
LJ71C24
LJ71C24-R2
CH1 Transmission/receive area
Transmission data count designation
Transmission data designation
Receive data count designation
Receive data storage
CH2 Transmission/receive area
Transmission data count designation
Transmission data designation
Receive data count designation
Receive data storage
User setting area
User registration data
System area (Use prohibited)
Flash ROM write
allow/prohibit designation
(Areas for new functions)
: Partial change required, ×: Incompatible
Precautions for
Compatibility
replacement
-
-
Sequence programs
need to be added
depending on the
functions used.
2
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