Mitsubishi Electric GOT2000 Series Connection Manual page 349

(3) RS-422 connection diagram 3)
*1 Connect FG grounding to the appropriate part of a cable shield line.
*2 Connect a terminating resistor (approximately 150 ) to the PLC at a terminal station.
(4) RS-422 connection diagram 4)
*1 Connect FG grounding to the appropriate part of a cable shield line.
*2 Connect a terminating resistor (approximately 100 to 500 ) to the PLC to be a terminal.
GOT side
RDA
2
RDB
7
SDA
1
SDB
6
RSA
3
RSB
8
CSA
4
CSB
9
SG
5
FG
-
* 1
GOT side
RDA
2
RDB
7
SDA
1
SDB
6
RSA
3
RSB
8
CSA
4
CSB
9
SG
5
FG
-
* 1
KOYO EI PLC side
+TXD
14
-TXD
15
+RXD
17
-RXD
16
-
1to 6
+RTS
8
-RTS
9
-
18 to 21
LG
7
+RTS
10
-RTS
11
+CTS
12
-CTS
13
+TXD
22
-TXD
23
-RXD
24
* 2
+RXD
25
KOYO EI PLC side
+TXD
9
-TXD
10
+RXD
13
-RXD
6
5V
1
* 2
-
2 to 5
0V
8
0V
7
+RTS
11
-RTS
12
+CTS
14
-CTS
15
7.3 Connection Diagram
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