Precautions - Mitsubishi Electric GOT2000 Series Connection Manual

5.3 Connection Diagram
The following diagram shows the connection between the GOT and the PLC.
5.3.1 RS-232 cable
■1. Connection diagram
(1) RS-232 connection diagram 1)
*1 Some MODBUS/RTU equipment require the control line (CS, RS, etc.) to be controlled.
Make sure to connect the cables and wires as described in the MODBUS/RTU equipment manual.
(2) RS-232 connection diagram 2)
*1 Some MODBUS/RTU equipment require the control line (CS, RS, etc.) to be controlled.
Make sure to connect the cables and wires as described in the MODBUS/RTU equipment manual.
■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.
➠
1.4.1 GOT connector specifications
(3) MODBUS equipment side connector
Use the connector compatible with the MODBUS/RTU equipment side module.
For details, refer to the MODBUS/RTU equipment user's manual.
GOT side
1
CD
RD(RXD) 2
3
SD(TXD)
4
ER(DTR)
SG 5
6
DR(DSR)
7
RS(RTS)
CS(CTS) 8
9
NC
GOT side
SD
RD
ER
DR
SG
RS
CS
*1
MODBUS equipment side
-
TxD
RxD
-
SG
-
-
-
-
*1
MODBUS equipment side
RxD
TxD
-
-
SG
-
-
5.3 Connection Diagram
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