Mitsubishi Electric GOT2000 Series Connection Manual page 345

(3) RS-422 connection diagram 3)
*1
GOT side (terminal block)
SDA
SDB
RDA
RDB
SG
*3
RSA
*3
RSB
*3
CSA
*3
CSB
*1 Set the terminating resistor to "Enable" when arranging the GOT in the end position of the system configuration.
Set the terminating resistor to "Disable" when arranging the GOT in any position other than the end position of the system
configuration.
*2 For terminating resistors in PLCs manufactured by MITSUBISHI INDIA, refer to the manual of PLCs manufactured by
MITSUBISHI INDIA.
*3 The signals RSA, RSB, CSA, and CSB are not provided for

Precautions when preparing a cable
(1) Cable length
The length of the RS-422 cable must be 1200m or less.
(2) GOT side connector
For the GOT side connector, refer to the following.
1.4.1 GOT connector specifications
(3) Connectors on the MITSUBISHI INDIA PLC side
Use proper connectors on the MITSUBISHI INDIA PLC
side.
For the details, refer to the User's Manual of the used
PLC manufactured by MITSUBISHI INDIA.

Connecting terminating resistors
(1) GOT side
Set the terminating resistor using the terminating resistor
setting switch.
For the procedure to set the terminating resistor, refer to
the following.
1.4.3 Terminating resistors of GOT
(2) MITSUBISHI INDIA PLC side
It is necessary to set terminating resistors in the PLC
manufactured by MITSUBISHI INDIA when connecting
the GOT to the PLC manufactured by MITSUBISHI
INDIA.
For the details, refer to the User's Manual of the used
PLC manufactured by MITSUBISHI INDIA.
MITSUBISHI INDIA
PLC side
Rx +
9
Rx –
8
Tx +
4
Tx –
7
GND
5
1.4.3 Terminating resistors of GOT
13. CONNECTION TO MITSUBISHI INDIA PLC
*2
. Return connection is not required.
13.3 Connection Diagram
MITSUBISHI INDIA
*2
PLC side
Rx +
9
Rx –
8
Tx +
4
Tx –
7
GND
5
13
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