Mitsubishi Electric GT14 User Manual page 1345

RS422 connection diagram 4)
LS INDUSTRIAL SYSTEMS PLC
side (terminal block) * 1
RDA
RDB
SDA
SDB
SG
FG
*1 For the system terminal, connect a 120Ω (1/2W) terminating
resistor across RDA and RDB, and across SDA and SDB
respectively.

Precautions when preparing a cable
(1) Cable length
The total distance (between GOT and controllers) of
RS-422 cable must be 13m or less.
(2) Connector conversion box side connector
For the connector conversion box side connector, refer
to the following.
6.6 Connector Conversion Box
(3) External cable side connector
For the connector specifications of the external cable
side, refer to the following.
8.2 External Cable, Relay Cable
(4) LS INDUSTRIAL SYSTEMS PLC side connector
Use the connector compatible with the LS
INDUSTRIAL SYSTEMS PLC side module.
For details, refer to the user's manual of the LS
INDUSTRIAL SYSTEMS PLC.

Connecting terminating resistors
(1) LS INDUSTRIAL SYSTEMS PLC side
When connecting an LS INDUSTRIAL SYSTEMS PLC
to the GOT, a terminating resistor must be connected.
56.3.2 RS-422 cable  Connection diagram
LS INDUSTRIAL SYSTEMS PLC
side (terminal block) * 1
RDA
RDB
SDA
SDB
SG
FG
56. CONNECTION TO LS INDUSTRIAL SYSTEMS PLC
56.3 Connection Diagram
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