3.
SPECIFICATIONS
MELSEC-A
l!
i
When received data is cleared as described
in
Section
9.5
(5),
all
data
in
the
OS
area is cleared at the same time as data
in
the
no-protocol receive buffer memory area.
-A
,:
1
,.
--
When the above-mentioned
OS
area has no vacant area, receiving
data causes an error, and the data is ignored until the
OS
area has
enough vacant area.
When this happens, the
2410
LED
goes
ON
(see Section
4.2.2).
,i
(4) AJ71
C24
DSR
control
(a) When the
AJ71 C24
DSR
signal is
ON,
if there is send data that data
(b) When the
AJ71C24
DSR
signal is
OFF,
even
if
send data exists that
will
be sent to an external device.
data
will
not be sent to an external device.
3-29
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