4.
SElTINGS
AND
PROCEDURES BEFORE OPERATION
I
-.
MELSEGA
4.3.3
Station
number
retting
The station number is set on all AJ71 C24s
so
that the computer knows which
AJ71C24 to access in a 1
:
n ratio computer link system.
Sonlng
SwRchos
Station
Numkr
@
4
xlo
@
xi
32
32
I
(m
:
n ratio)
"rl
Cornputor
D.ocriptlon
(1)
Set the rtation number in
the
range
0
to
31.
(2)
Set tho
X10
switch to the number
of
tent in the rtation number.
(3)
Set
tho
X1
switch to the number
of
units in tho station number.
(4)
The
station numbor may
bo
sot
to
any valuo which doe8 not
~~
(Never
$et
a rtation number to more than
32.)
duplhk anothor ot8tion number.
it
io
not
necoserry
to consider
the
order
of
connoction when
viemd
from the computor. Station
numbon
do
not havo
to
be requential 8nd may bo skippod.
(5)
ti
tho switches are rot a8 rhown on the
left,
the
station number
is
25.
(1
:
n ratio)
AJ7lC24
Computer
Ani-4
/
9
Computer
POINTS
1
(1) Use caution not to set a station numberwhich duplicates another station
number. This leads to destruction
of
transmission data and precludes
correct data communications.
(2)
When the computers and AJ71C24 modules are linked
in
an m
:
n ratio,
set station numbers only for the AJ71 C24s.
Set the station numbers for the computers to perform communications
between them. Setting range is 128 (80H) to 159 (9FH). (See Section
6.2.1).
4-9
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