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20. MULTIPLE-GT14, GT12, GT11, GT10 CONNECTION FUNCTION
20.3 Connection Diagram
20.3.2 RS-422 cable
Connection diagram
Precautions when preparing a cable
(1) Cable length
The length of the RS-422 cable must be 30m or less.
(2) GOT side connector
For the GOT side connector, refer to the following.
1.4.1 GOT connector specifications
Connecting terminating resistors
(1) GOT side
When connecting a PLC to the GOT, a terminating
resistor must be connected to the GOT.
Set the terminating resistor selector of the GOT main
unit to "300 ".
For the procedure to set the terminating resistor, refer
to the following.
1.4.3 Terminating resistors of GOT
RS422 connection diagram 1)
RS422 connection diagram 2)
GOT side
SDA
RDA
RSA
CSA
SG
SDB
RDB
RSB
CSB
2
1
4
3
5
7
6
9
8
1
2
3
4
5
6
7
8
9
GOT side
RDA
SDA
CSA
RSA
SG
RDB
SDB
CSB
RSB
First GOT side
RDA
RDB
SDA
SDB
SG
CSA
CSB
RSA
RSB
1
2
3
4
5
6
7
8
9
2
7
1
6
5
4
9
3
8
Second GOT side
(terminal block)
SDA
SDB
RDA
RDB
SG
RSA
RSB
CSA
CSB