Specifications
15 - 6
15. CONNECTION TO SIEMENS PLC
15.2 Serial Connection
15.2.3 Connection Diagram
The following diagram shows the connection between the
GOT and the PLC.
RS-232 cable
(1) Connection diagram
(a) RS232 connection diagram 1)
(b) RS232 connection diagram 2)
(c) RS232 connection diagram 3)
(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) SIEMENS PLC side connector
Use the connector compatible with the SIEMENS
PLC side.
For details, refer to the SIEMENS PLC user's
manual.
GOT side
SIEMENS PLC side
CD
RD(RXD)
SD(TXD)
ER(DTR)
SG
DR(DSR)
RS(RTS)
CS(CTS)
-
1
2
3
4
5
6
7
8
9
1
3
2
6
5
4
8
7
9
CD
TXD
RXD
DSR
SG
DTR
CTS
RTS
FG
GOT side SIEMENS PLC side
SD
RD
ER
DR
SG
RS
CS
NC
NC
2
3
6
4
5
8
7
1
9
RXD
TXD
DSR
DTR
SG
CTS
RTS
CD
FG
GOT side
SIEMENS PLC side
SD
RD
ER
DR
SG
RS
CS
NC
NC
3
2
1
4
5
6
7
8
9
SD(TXD)
RD(RXD)
-
-
SG(GND)
-
-
-
-