2.3 Connection Diagram
The following diagram shows the connection between the
GOT and the PLC.
2.3.1
RS-232 cable
Connection diagram
(1) RS-232 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
(2) RS-232 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
*1
GT16: CD, GT15: CD, GT14: NC, GT12: NC, GT11: NC
Precautions when preparing a cable
(3) Cable length
The length of the RS-232 cable must be 15m or less.
(4) GOT side connector
For the GOT side connector, refer to the following.
1.4.1GOT connector specifications
(5) HITACHI IES PLC side connector
Use the connector compatible with the HITACHI IES
PLC side module.
For details, refer to the HITACHI IES PLC user's
manual.
HITACHI IES PLC side
NC
1
SD
2
RD
3
RV2(DR)
7
SG
9
CS
5
RV1(ER)
6
RS
4
PHL
8
FG
FG
HITACHI IES PLC side
NC
1
SD
2
RD
3
RV2(DR)
7
SG
9
CS
5
RV1(ER)
6
RS
4
PHL
8
ER
14
FG
FG
2.3.2
RS-422 cable
Connection diagram
(1) RS-422 connection diagram 1)
GOT side
RDA
2
RDB
7
SDA
1
SDB
6
RSA
3
RSB
8
CSA
4
CSB
9
-
-
SG
5
-
-
FG
-
2. CONNECTION TO HITACHI IES PLC
2.3 Connection Diagram
HITACHI IES PLC side
TXDP
TXDN
RXDP
RXDN
R
TXDG
-
-
-
-
RXDG
-
-
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