Connection Diagram - Mitsubishi Electric GOT2000 Series Connection Manual

3.3 Connection Diagram

The following diagram shows the connection between the
GOT and the PLC.
3.3.1 RS-232 cable

Connection diagram
(1) RS-232 connection diagram 1)
For the GT16, GT15
GOT side
(D-sub 9-pin)
CD
1
RD(RXD)
2
SD(TXD)
3
ER(DTR)
4
SG
5
DR(DSR)
6
RS(RTS)
7
CS(CTS)
8
-
9
*1 Connect FG grounding to the appropriate part of a cable
shield line.

Precautions when preparing a cable
(2) Cable length
The length of the RS-232 cable must be 15m or less.
(3) GOT side connector
For the GOT side connector, refer to the following.
1.4.1GOT connector specifications
(4) HITACHI PLC side connector
Use the connector supporting the HITACHI PLC side
module.
For details, refer to the HITACHI PLC user's manual.
PLC side
RS
7
SD
3
RD
2
DR
6
SG
5
ER
4
CD
1
CS
8
* 1 -
9
3.3.2 RS-422 cable

Connection diagram
(1) RS-422 connection diagram 2)
GOT side
SDA
1
RDA
2
RSA
3
CSA
4
SG
5
SDB
6
RDB
7
RSB
8
CSB
9
*1 Connect FG grounding to the appropriate part of a cable
shield line.

Precautions when preparing a cable
(2) Cable length
The length of the RS-422 cable must be 500m or less.
(3) GOT side connector
For the GOT side connector, refer to the following.
1.4.1GOT connector specifications
(4) HITACHI PLC side connector
Use the connector compatible with the HITACHI PLC
side module.
For details, refer to the HITACHI PLC user's manual.

Connecting terminating resistors
(1) GOT side
When connecting a PLC to the GOT, a terminating
resistor must be connected to the GOT.
For the procedure to set the terminating resistor, refer
to the following.
1.4.3Terminating resistors of GOT
3. CONNECTION TO HITACHI PLC
3.3 Connection Diagram
PLC side
RD-H
2
SD-H
3
-
6
ATT-H
7
SG
5
RD-L
1
SD-L
4
-
8
* 1
ATT-L
9
3 - 5
3