P
L
.-
I
b-
r
L
r
.....
c
P
L-
P
c
L
P-
L.
2.
SYSTEM CONFIGUMT-
_..,.
I
~,,~!~~,
.i,
.,
.
A,
MELSEC-A
(2)
The following tables list the functions available when the external devices
are linked
with
the
PC
CPU
modules making an m
:
n configuration.
(a) The interface used to set dedicated
protocols
1,
2,
4:
1)
Functions available when using external devices
Intorfaoor
for
Dodlcatd
Protocol
Avallabla
Funcllonr
RS-232C
I I
Device memory
0
0
Test
Including exten-
sion devices
1
Read/write
I
o
I
o
I
I
I
Extension file
registrr Test
0
0
Monitor
Buffer memory
self
Special func-
tion module's
buffer memory
Road/write
lol0l
Sequence1
microcomputer
program
Rrad/wrtte
lo
Io
Comment Readlwrite
I
O.1
O
Including exten-
sion comments
If full-duplex transmission is possible with the external device, data com-
munications in the dedicated protocol mode is possible with the
RS232C
inter-
face.
I
2-
17
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