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5. HALF-DUPLEX COMMUNICATIONS USING THE RS-232C INTERFACE
MELSEC-A
*1
The time from when the RS signal turns ON until communica-
tions start varies with the data transmission speed.
The faster the transmission speed is, the sooner communica-
tions will start.
( R E M A R K /
When (a) starting or during the data transmission to the AlSJ71C24, and
(b)
if the DSR(DR)
signal of AlSJ71C24
turns
OFF or when
a
DC3
code i s received, interrupt data transmission
until
the
DSR signal turns ON
or
until
a
DC1 code is received.
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