L.
r
L..
c
P
L
r-
.
P
2.
SYSTEM CONFIGURATIONS.-.
,
,
MELSEC-A
2.3.6
Unk
with
an
external
device
(such
as a
computer)
through
data
link
systems
By
installing the AJ7lC24 to a PC CPU linked with other PC CPUs on data
link systems, communications is possible with other PC CPU stations on
MELSECNET(II), MELSECNET/B.
However, communications
is
not possible with AOJ2CPUP23/R23 or
AOJ2CPUP25/R25 modules.
Local
station
3
(13)
Master station
(MI
Remote
station
3
033)
Computer
PC
CPU
5
rnoduk
?.
1
Local station 1
CPU
dl.
Local station
2,
third-tier master station
PC
(Wm)
PC
CPU CPU
5
module
Remote station
2
(r2
station)
module
Local station
1
(11)
Link
rnodUl.
Set the mode
w&hs
(we
Won
4.3.1)
u
as
follows:
Wn a multidrop link is
formed:
5
to
8,
Ab
t
When a multidrop link is
not
fonnsd:
1
to
8
L.
Fig.
2.7
System Configurations
(VI)
2-19
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