Mitsubishi Electric GOT1000 Series Connection Manual page 194

RS422 connection diagram 12)
(For GT1030, GT1020)
GOT side
(terminal block)
SDA
SDB
RDA
RDB
SG
RSA
RSB
CSA
CSB

Precautions when preparing a cable
(1) Cable length
The distance between the GOT and the PLC of
connection diagram 1), 2) and 3) must be 200 m or
less.
The length of the RS-422 connection diagram 4) must
be 50m or less.
(2) GOT side connector
For the GOT side connector, refer to the following.
1.4.1 GOT connector specifications
(3) OMRON PLC side connector
Use the connector compatible with the OMRON PLC.
For details, refer to the OMRON PLC user's manual.

Setting terminating resistors
(1) GOT side
• For GT16, GT15, GT12
Set the terminating resistor setting switch of the GOT
main unit to "Disable".
• For GT14, GT11, GT10
Set the terminating resistor selector to "330 ".
For details of terminating resistor settings, refer to the
following.
1.4.3 Terminating resistors of GOT
(2) OMRON PLC side
When connecting an OMRON PLC to a GOT, a
terminating resistor must be set to the OMRON PLC.
OMRON PLC user's Manual
4 - 22
4. CONNECTION TO OMRON PLC
4.2 Serial Connection
OMRON PLC side
RDB+
RDA-
SDB+
SDA-
FG