Connection Diagram; Cable - Mitsubishi Electric GT1685 Connection Manual

14.3 Connection Diagram

The following diagram shows the connection between the
GOT and the PLC.
14.3.1 RS-232 cable

Connection diagram
RS-232 connection diagram 1)
GOT side
(D-Sub 9-pin)
CD
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)
GOT side
(terminal block)
SD
RD
ER
DR
SG
RS
CS
NC
NC

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
14.3.2 RS-422 cable

RS-422 connection diagram 1)
(terminal block)
SDA
PLC side
SDB
RS(RTS)
7
RDA
SD(TXD)
3
RDB
RD(RXD)
2
SG
DR(DSR)
6
RSA
SG
5
RSB
ER(DTR)
4
CSA
CD
1
CSB
CS(CTS)
8
- 
9
(1) Cable length
PLC side
(2) GOT side connector
RD(RXD)
2
SD(TXD)
3

DR(DSR)
6
ER(DTR)
4
(1) GOT side
SG
5
CD
1
RS(RTS)
7
CS(CTS)
8
NC
9
Connection diagram
GOT side
Precautions when preparing a cable
The length of the RS-422 cable must be 500m or less.
For the GOT side connector, refer to the following.
1.4.1 GOT connector specifications
Connecting terminating resistors
When connecting a PLC to the GOT, a terminating
resistor must be connected to the GOT.
(a) For GT16, GT15, GT12
Set the terminating resistor setting switch of the
GOT main unit to "Disable".
(b) For GT14, GT11, GT10
Set the terminating resistor selector to "330 ".
For the procedure to set the terminating resistor, refer
to the following.
1.4.3 Terminating resistors of GOT
14. CC-Link CONNECTION (Via G4)
14.3 Connection Diagram
10
Untied wire color of
GT10-C□□□R4-25P
Brown
Red
Orange
11
Yellow
Green
Blue
Purple
Black
White
12
13
14
15
16
14 - 9
9