P
.
-.
r
L-
P
L-
P
L
P
c
c
c
L.
c
7.
INITIAL SETTING
OF
TRANSMISSION CONTROL DATA TO
BUFFER
MEMORY
-*.
MELSEC-A
The following shows how to set the AJ71C24 to continue transmission when
the AJ71C24 and an external device (using halfduplex transmission) have
begun sending data to each other simultaneously.
Setting
Method
I
I
(1) Transmission method
b15
to
bl bO
(Default:
0)
[
0:
Fulldupkx transmission
1
:
Halfduplex
transmission
POINT]
@Set bits bl to b15
of
address lOFH to either
0
or 1. (The AJ7lC24 will
ignore the settings.)
(2)
Priority setting when transmission has begun at the same time
b15 to bo
POINTI
I
If the priority
of
transmission
is
set, setting to buffer memory address 11 1 H
is not required.
Example1
~~~~~~
The CD terminal check
is
set to "Enabled". Halfduplex transmission is used and the priorit
of
transmission is set. (AJ71C24 I/O addresses:
80
to QF)
I
(~oqurncr Program)
TOP
I
H8
1
HlOF
I
K1
K1 Write 'l'to buffer
memory
address 10FH.
Lr8vr
the
wtting
of
buffrr
memory
addrerur
lOBH
and 110H
for
drfaultr.
7-4
.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
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