7.2.4
Connection diagram
The following diagram shows the connection between the
GOT and the PLC.
RS-232 cable
(1) Connection diagram
RS232 connection diagram 1)
GOT side
* 1
CD/NC
1
RD(RXD)
2
SD(TXD)
3
ER(DTR)
4
SG
5
DR(DSR)
6
RS(RTS)
7
CS(CTS)
8
-
9
*1
GT16: CD, GT15: CD, GT14: NC, GT12: NC, GT11: NC
RS232 connection diagram 2)
GOT side
* 1
CD/NC
1
RD(RXD)
2
SD(TXD)
3
ER(DTR)
4
SG
5
DR(DSR)
6
RS(RTS)
7
CS(CTS)
8
-
9
* 2
Shell
-
*1
GT16: CD, GT15: CD, GT14: NC, GT12: NC, GT11: NC
*2
Connect the shield to the housing of the connectors on
both the GOT and YOKOGAWA product sides.
RS232 connection diagram 3)
GOT side
* 1
CD/NC
1
RD(RXD)
2
SD(TXD)
3
ER(DTR)
4
SG
5
DR(DSR)
6
RS(RTS)
7
CS(CTS)
8
-
9
*1
GT16: CD, GT15: CD, GT14: NC, GT12: NC, GT11: NC
7 - 6
7. CONNECTION TO YOKOGAWA PLC
7.2 Serial Connection
YOKOGAWA PLC side
-
-
SD
3
RD
2
-
-
SG
5
-
SHIELD
YOKOGAWA PLC side
-
1
SD
3
RD
2
DR
6
SG
5
ER
4
RS
7
CS
8
-
9
* 2
Shell
-
YOKOGAWA PLC side
FG
1
SD
2
RD
3
DR
6
SG
7
ER
20
RS
4
CS
5
(2) Precautions when preparing a cable
(a) Cable length
The length of the RS-232 cable must be 15m or
less.
(b) GOT side connector
For the GOT side connector, refer to the following.
1.4.1 GOT connector specifications
(c) YOKOGAWA PLC side connector
Use the connector compatible with the
YOKOGAWA PLC side module.
For details, refer to the YOKOGAWA PLC user's
manual.