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9. COMMUNICATIONS IN THE NO-PROTOCOL MODE
MELSEC-A
-
-
ixample
2:
Transmitting data i n word units (buffer memory allocation: default)
I
To write "AlSJ71C24[]"CR, LF by sequence program and transmit it to an external device
(A1 SJ71 C24
1 1 0
addresses: 80 to
9F)
Computer
Send completed
A l S C P U
(Program)
,-,
Sequence program
A1 SJ71C24
data memory
buffer memory
Even if transmission data units are set byte units, the TO instruction in a
sequence program operates in word units. Therefore, the length of send
data differs from the data length set with the TO instruction.
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