c
8.3
Basics
of
Dedicated Protocol Control Procedure8
(1) Reading data by the computer from the AJ71C24
L
P
c..
c
P
C..
c
C.._
c
c
AJ7lc24
Areas
A
and C indicate transmission from the external device to the
AJ71 C24.
Area
B
indicates transmission from the AJ71C24 to the external
device.
Computer programs are created
so
that all data is transmitted from
left to right.
(Example: In area
A,
data is transmitted to the right after the
ENQ
signal.)
Area C of the program completes data communications (whether
communications are being carried out or not) and permits the next
data communications to be carried
out.
(2) Writing data by the computer to the AJ71 C24
I
I
1
$
AreaB
1
K
Area
A
indicates transmission from the external device to the
AJ71 C24.
Area
B
indicates transmission from the AJ71C24 to the external
device.
Computer programs are created
so
that all data is transmitted from
left to right.
(Example:
In
Area
A,
data is transmitted to the right after the
ENQ
signal.)
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