Mitsubishi Electric GOT2000 Series Connection Manual page 180

(b) RS-422 connection diagram 2)
*1
(c) RS-422 connection diagram 3)
6 - 14
6.2 Serial Connection
GOT side
RDA
2
RDB
7
SDA
1
SDB
6
RSA
3
RSB
8
CSA
4
CSB
9
SG
5
FG
-
The terminating resistor (120 ) is valid by connecting pin 1 with pin 4 and pin 5 with pin 6 of the YASKAWA PLC side.
GOT side
RDA
2
RDB
7
SDA
1
SDB
6
RSA
3
RSB
8
CSA
4
CSB
9
SG
5
FG
-
YASKAWA PLC side
TX+
7
TX-
5
* 1
RX+
2
RX-
1
-
3
* 1
TXR+
6
RXR+
4
SG
8
YASKAWA PLC side
TX+
1
TX-
2
RX+
3
RX-
4
-
5
RX-
6
Receiving side
7
termination
14 GND
9 TX-
10 RX+
Sending side
11
termination
-
12
VCC
13
TX+
8