7.
INITIAL SETTING
OF
TRANSMISSION CONTROL DATA TO
BUFFER
MEMORY
Setting
Method
I
(1)
Setting the bidirectional mode with the following conditions
(AJ71C24
I/O
addresses:
80
to
9F)
1)
Set the bidirectional mode.
2)
Set the time-out check time to
2
seconds. The setting value is
20
(14H).
3)
Set the send data to 'invalid' and the received data to 'valid' for
simultaneous transmission.
4)
Set the check sum to 'disable'
(Sequence Program)
Write
'1'
to buffer momory address
11
2H.
I
--I
TOOF
Write
HI00
to buffer memow addrew
114H.
1
TOP
I
c18
1
H114
1-
Write
H14
to buffer memory addrasr
113H.
Write
'1'
to buffer memory address
115H.
(2)
Setting the bidirectional mode
with
the following conditions
(AJ71 C24
I/O
addresses:
11
0
to
12F)
1)
Set the bidirectional mode.
2)
Set the time-out check time to 'infinite'.
3)
Set the send data to 'valid' and the received data to 'val.id'
for
simultaneous transmission.
4)
Set the check sum to 'enable'.
(Sequence Program)
Write
'1'
to buffer memory address
112H.
Leave
wttingr
of
buffer memory address88
1 13H
for
1 15H
for
defaultr.
7-
16
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