• System configuration: one computer, one programmable controller
When shipped from the factory, the RS422/232C Adapter pins are set as shown in Cable 3.
CN1
RS232C connector
AB
CS
RS
AB
RD AB
SDAB
When the cable
described above
is used
: Denotes the pin position.
CN1
RS232C connector
AB
CS
RS
AB
RD AB
SDAB
: Denotes the pin position.
When the cable
described above
is used
• Confirm the RS422/232C adapter pin settings,
referring to the following:
• Confirm the RS422/232C adapter pin settings,
referring to the following:
Connected to
modem
(25 pins male)
Pin No.
1
2
3
4
5
6
7
8
20
Abbreviation
FG
SD (TXD)
RD (RXD)
RS (RTS)
CS (CTS)
DR (DSR)
SG
CD (DCD)
ER (DTR)
Pin No.
1
2
3
4
5
6
7
8
20
Abbreviation
FG
SD (TXD)
RD (RXD)
RS (RTS)
CS (CTS)
DR (DSR)
SG
CD (DCD)
ER (DTR)
Connected to
RS422/232C adapter
(25 pins male)
Connected to
modem
(25 pins male)
Connected to
RS422/232C adapter
(25 pins male)
Pin No.
1
2
3
4
5
6
7
8
20
22
Abbreviation
FG
SD (TXD)
RD (RXD)
RS (RTS)
CS (CTS)
DR (DSR)
SG
CD (DCD)
ER (DTR)
RI (CI)
Pin No.
1
2
3
4
5
6
7
8
20
22
Abbreviation
FG
SD (TXD)
RD (RXD)
RS (RTS)
CS (CTS)
DR (DSR)
SG
CD (DCD)
ER (DTR)
RI (CI)
Cable 3: RS232C cable between a modem and
RS422/232C adapter
Cable 4: RS232C cable between a modem and
RS422/232C adapter
Connected to
IBM PC-AT
(9 pins female)
Pin No.
1
2
3
4
5
6
7
8
20
Abbreviation
FG
SD (TXD)
RD (RXD)
RS (RTS)
CS (CTS)
DR (DSR)
SG
CD (DCD)
ER (DTR)
Pin No.
1
2
3
4
5
6
7
8
9
Abbreviation
CD (DCD)
RD (RXD)
SD (TXD)
ER (DTR)
SG
DR (DSR)
RS (RTS)
CS (CTS)
RI (CI)
Connected to
modem
(25 pins male)
Connected to
personal computer
(25 pins female)
Connected to
modem
(25 pins male)
Pin No.
1
2
3
4
5
6
7
8
20
22
Abbreviation
FG
SD (TXD)
RD (RXD)
RS (RTS)
CS (CTS)
DR (DSR)
SG
CD (DCD)
ER (DTR)
RI (CI)
Pin No.
1
2
3
4
5
6
7
8
20
22
Abbreviation
FG
SD (TXD)
RD (RXD)
RS (RTS)
CS (CTS)
DR (DSR)
SG
CD (DCD)
ER (DTR)
RI (CI)
Cable 1: RS232C cable between a personal computer
(IBM PC-AT) and a modem
Cable 2: RS232C cable between a personal computer
and a modem
FP1 C24, C40, C56,
or C72 series
P
C
R
S
4
2
2/2
3
2
C
A
D
A
P
T
E
R
M
a
ts
u
sh
ita
E
le
c
tric W
o
rk
s, L
td
.
M
ad
e
in
Ja
p
a
n
• P
O
W
E
R
• T
X
D
(–
)
• R
X
D
(–
)
RS422
RS232C
RS422/232C
Adapter
FP1 peripheral cable
COM
0
COM
1
COM
2
COM
3
COM
4
COM
5
COM
6
COM
7
+-
24V DC
F.G.
COM
F
8
9
EA
B
C
D
(+)
-
COM
7
0
1
62
3
4
5
(+)
-
RUN
REMOTE
PROG.
V0
max.
min.
RUN
PROG.
ERR.
ALRAM
BATTERY
V1
max.
PC
FP1-C24
24V DC
+
-
min.
RS232C cable
(Refer to cables 1 or 2, below.)
Personal computer
RS422
RS232C
RS232C
RS232C cable
(Refer to cables 3 or 4, below.)
Telephone line
Modem Modem
247
8-8. FP1 Modem Communication
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