c
P
L.-.
-
-.
-.
m
L-
P
L
P-
L
P
4.
StTCNGS
AND
PRW
c
MELSEGA
4.3
Settings
This section describes the setting methods and explains the settings of the
transmission control protocol and communications specifications (data
length,
sum
check, etc.).
After changing the settings, turn the
PC
CPU
power supply
OFF
and back
ON,
or reset the
PC
CPU.
(1)
The method of setting the transmission control protocol and the meaning
of the switch settings are described in the table below.
When the mode switch
is
set to
"1"
to
"8''
and the bidirectional mode
setting area
in
the buffer memory
is
set to
"l",
the no-protocol mode in
the following table changes to the bidirectional mode.
All
mode settings
in
the following table are in the no-protocol mode.
Mod.
Sottlng
Modo
Setting
Modo
Smingr
Switch
Notor
~
0
Unusable
1
Protocol
1
No-protocol
5
No-protocol
Protocol
4
4
Both interfacos work independently.
No-protocol
Protocol
3
RS-422
Individually,
or for
connection
of
a
No-protocoi
Protocol
2
2
For
connection
of
computers to
RS232C
and
No-protocol
7
No-protocol
Protocol
3
printer
io
tho no-protocol interface.
6
Protocol
2
No-protocol
I
8
I
No-protocol
I
Protocol
4
I
I
I
I
MODE
This mode is used to onable a no-protocol
oomputer link with
8iI
devicrs connocted to
tranmittod by
a
oomputor can be received
by all
AJ71C24
modules,
*l
9
the
RS-232C
and
RS-422
Interfaces. Data
--.
No-protocol
No-protocol
A
faces.
Data transmitted
by
a
computer can
--.
Protocol
3 Protocol 3 C
protocol computor link with all dovice8 con-
--
Protocol
2
Protocol
2
B
This mode
is
used to enable a dedicated
--
Protocol
1
Protocol
1
D
Protocol
4
--
Protocol
4
the mnd mesage.
e1
nected to the
RS-232C
and
RS-422
inter-
be
received by the
An1
C24
designated
by
E
RS-232C
and FiS-422 operate independently.
For
module test
F
Unusable
When the mode switch is set
RS-422
interfaces operate
as
to
'9'
to
"D',
the
RS-232C
and
if
interlocked with each other.
the
4-5
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