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8. COMMNlCATlONS USING DEDICATED PROTOCOLS
MELSEC-A
8.10
Special Function Module Buffer Memory Read and Write
8.1 0.1
Commands and designation
(1)
ACPU common
commands
(2)
Linkable special function modules, buffer memory head address, and
Item
Batch
read
Batch
write
module numbers
L
Note : o
..........
Executable
x
..........
Not executable
Command
Processing
Reads from special function module buffer
memory.
Writes to special function module buffer
memory.
Sym-
b o l
TR
TW
ASCII
Code
54H, 52H
54H, 57H
Number o f
Points
Processed p e r
Communications
64
words
(1 28 bytes)
State o f PC CPU
bring
STOP
0
0
During RUN
~
~
2
2
ON
0
0
sw2:
OFF
0
X
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