Mitsubishi Electric GT1685 Connection Manual page 705

21.3 Connection Diagram
The following diagram shows the connection between the
GOT and the PLC.
21.3.1 RS-232 Cable

Connection diagram
RS-232 connection diagram 1)
GOT side
N.C.
1
RD(RXD)
2
SD(TXD)
3
ER(DTR)
4
SG
5
DR(DSR) 6
RS(RTS)
7
CS(CTS)
8
-
9
RS-232 connection diagram 2)
Second GOT side
(terminal block)
SD
RD
ER
DR
SG
RS
CS
NC
NC
RS-232 connection diagram 3)
First GOT side
N.C.
1
RD(RXD)
2
SD(TXD)
3
ER(DTR)
4
SG
5
DR(DSR)
6
RS(RTS)
7
CS(CTS)
8
-
9
GOT side
N.C.
1
SD(TXD)
3
RD(RXD)
2
DR(DSR)
6
SG
5
4 ER(DTR)
CS(CTS)
8
RS(RTS)
7
-
-
Untied wire color
of GT10-C30R2-6P
Brown
Red
Blue
Yellow
Green
Purple
Second GOT side
(terminal block)
RS
6
SD(TXD)
1
RD(RXD)
2
DR(DSR)
4
SG
5
ER(DTR)
3
CS(CTS)
7
N.C.
8
N.C.
9
21. MULTIPLE-GT14, GT12, GT11, GT10 CONNECTION FUNCTION
RS-232 connection diagram 4)
Cable (GT10-C02H-6PT9P)
D-Sub 9-pin
N.C.
1
RD (RXD)
2
SD (TXD)
3
ER (DTR)
4
SG
5
DR (DSR)
6
RS (RTS)
7
CS (CTS)
8
-
9
RS-232 connection diagram 5)
Cable (GT10-C02H-6PT9P)
D-Sub 9-pin side
N.C.
1
RD (RXD)
2
SD (TXD)
3
ER (DTR)
4
SG
5
DR (DSR)
6
RS (RTS)
7
CS (CTS)
8
-
9

Precautions when preparing a cable
(1) Cable length
The length of the RS-232 cable must be 15m or less.
(2) GOT side connector
For the GOT side connector, refer to the following.
1.4.1 GOT connector specifications
21.3 Connection Diagram
17
Second GOT side
(terminal block)
18
RS
6
SD (TXD)
1
RD (RXD)
2
DR (DSR)
4
SG
5
ER (DTR) 19
3
CS (CTS)
7
N.C.
8
N.C.
9
Second GOT side
20
N.C.
1
SD (TXD)
3
RD (RXD)
2
DR (DSR)
6
SG
5
21
ER (DTR)
4
CS (CTS)
8
RS (RTS)
7
-
-
22
23
21 - 5