Mitsubishi Electric GOT1000 Series Connection Manual page 191

RS232 connection diagram 5)
(For GT1020, GT1030)
GOT side
(terminal block)
SD
RD
ER
DR
SG
RS
CS
NC
NC
RS232 connection diagram 6)
(For GT1020, GT1030)
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
(3) OMRON PLC side connector
Use the connector compatible with the OMRON PLC.
For details, refer to the OMRON PLC user's manual.

POINT POINT POINT
OMRON PLC side
SD
2
RD
3
-
1
RS
4
SG
7
CS
5
(1) Connection diagram
DR
6
ER
20
RS422 connection diagram 1)
(For GT16)
SDA1(TXD1+)
OMRON PLC side
RDA1(RXD1+)
RD
3
SD
2 SDA2(TXD2+)
FG
1
RS
4 RDA2(RXD2+)
SG
7
CS
5
-
6
-
8
ER
20
RS-422 cable
Differences in polarity between GOT and OMRON
PLCs
The polarity of poles A and B in signal names is
reversed between GOT and OMRON PLCs.
Connect a cable according to the following
connection diagrams.
GOT side
1
SDB1(TXD1-)
2
3
RDB1(RXD1-)
4
5
SDB2(TXD2-)
6
7
RDB2(RXD2-)
8
RSA(RTS+)
9
RSB(RTS-)
10
CSA(CTS+)
11
CSB(CTS-)
12
SG
13
NC
14
Shell
4. CONNECTION TO OMRON PLC
4.2 Serial Connection
1
2
3
OMRON PLC side
RDB
8
RDA
6
SDB
2
4
SDA
1
RS
4
CS
5
5
6
7
8
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