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10. COMMUNICATIONS IN THE BIDIRECTIONAL MODE
MELSEC-A
10.
COMMUNICATIONS IN THE BIDIRECTIONAL MODE
Always read this section when the
RS-232C
interface is used with the
bidirection mode individually by setting the mode setting switch at the
AlSJ71 C24
i n position of
"5"
.
It is not necessary to read this section when the interface is used with the
dedicated protocol and in the no-protocol modes.
-
Buffer memory used in the bidirectional mode
I n sections other than this, buffer memory used i n the bidirectional mode
is described as the buffer memory usedfor the no-protocol mode. Because
the application purposes are the same, simply think of the "no-protocol
mode" as the "bidirectional mode".
(
Examples:
I
I
No-protocol mode send area
-
Bidirectional mode send area
I
.
No-protocol send buffer memory head address setting area
-
Bidirectional send buffer memory head address setting area
I
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