Mitsubishi Electric GOT2000 Series Connection Manual page 456

For GT21
(When connecting to the Computer Link Module)
(4) RS-232 connection diagram 4)
PLC side connector D-sub 25-pin
For GT21
(When connecting to the R/Q/QnA Serial Communication Module)
For GT21
(When connecting to the Computer Link Module)
■2. 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.
➠
7 - 24
7.3 Connection Diagram
GOT side
(terminal block)
SD
RD
ER
DR
SG
RS
CS
NC
NC
GOT side
(terminal block)
SD
RD
ER
DR
SG
RS
CS
NC
NC
GOT side
(terminal block)
SD
RD
ER
DR
SG
RS
CS
NC
NC
1.4.1 GOT connector specifications
PLC side
RD(RXD)
2
SD(TXD)
3
DR(DSR)
6
ER(DTR)
4
SG
5
CD
1
RS(RTS)
7
CS(CTS)
8
-
9
PLC side
RD(RXD)
3
SD(TXD)
2
DR(DSR)
6
ER(DTR)
20
SG
7
CD
8
RS(RTS)
4
CS(CTS)
5
FG
1
PLC side
RD(RXD)
3
SD(TXD)
2
DR(DSR)
6
ER(DTR)
20
SG
7
CD
8
RS(RTS)
4
CS(CTS)
5
FG
1