Mitsubishi Electric GOT2000 Series Connection Manual page 378

(3) RS-422 connection diagram 3)
*1
*2
(4) RS-422 connection diagram 4)
*1
*2
(5) RS-422 connection diagram 5)
*1
*2
(6) RS-422 connection diagram 6)
*1
*2
8 - 12
8.3 Connection Diagram
RS-232/RS-422
* 1
interface converter
RD(+)
RD(-)
TD(+)
TD(-)
0V
FG
Terminating resistors should not be provided for a PLC and an RS-232/RS-422 interface converter which will be terminals.
Connect FG grounding to the appropriate part of a cable shield line.
* 1
Link unit side
S+
S-
R+
R-
0V
FG
* 2
Terminating resistors should not be provided for a PLC and an RS-232/RS-422 interface converter which will be terminals.
Connect FG grounding to the appropriate part of a cable shield line.
RS-232/RS-422
* 1
interface converter
RD(+)
RD(-)
TD(+)
TD(-)
0V
FG
Terminating resistors should not be provided for a PLC and an RS-232/RS-422 interface converter which will be terminals.
Connect FG grounding to the appropriate part of a cable shield line.
* 1
PLC side
L1S+
L1S-
L1R+
L1R-
0V
FG
* 2
Terminating resistors should not be provided for a PLC and an RS-232/RS-422 interface converter which will be terminals.
Connect FG grounding to the appropriate part of a cable shield line.
* 1
Link unit side
S+
S-
R+
R-
0V
FG
* 2
* 1
Link unit side
S+
S-
R+
R-
0V
FG
* 2
* 1
PLC side
L1S+
L1S-
L1R+
L1R-
0V
FG
* 2
* 1
PLC side
L1S+
L1S-
L1R+
L1R-
0V
FG
* 2
* 1
Link unit side
S+
S-
R+
R-
0V
FG
* 2
* 1
Link unit side
S+
S-
R+
R-
0V
FG
* 1
PLC side
L1S+
L1S-
L1R+
L1R-
0V
FG
* 2
* 1
PLC side
L1S+
L1S-
L1R+
L1R-
0V
FG