Rs-422 Cable - Mitsubishi Electric GOT2000 Series Connection Manual

7.3.2

RS-422 cable

■1. Connection diagram
(1) RS-422 connection diagram 1)
*1
*2
(2) RS-422 connection diagram 2)
*1
*2
7 - 18
7.3 Connection Diagram
GOT side
RDA
2
RDB
7
SDA
1
SDB
6
RSA
3
RSB
8
CSA
4
CSB
9
SG
5
FG
-
Connect FG grounding to the appropriate part of a cable shield line.
Connect a terminating resistor (approximately 150 ) to the PLC at a terminal station.
GOT side
RDA
2
RDB
7
SDA
1
SDB
6
RSA
3
RSB
8
CSA
4
CSB
9
SG
5
FG
-
Connect FG grounding to the appropriate part of a cable shield line.
Connect a terminating resistor (approximately 150 ) to the PLC at a terminal station.
KOYO EI PLC side
+TXD
14
-TXD
16
+RXD
9
-RXD
10
-
1 to 6
* 2
-
8
-
12
-
13
SG
7
-
15
-
17
-RTS
18
+RTS
19
-
20 to 22
-CTS
23
+CTS
11
* 1
-
24, 25
KOYO EI PLC side
+TXD3
12
-TXD3
13
+RXD3
24
-RXD3
25
-
1 to 6
* 2
-
8 to 11
-
14 to 23
-
-
SG
7
* 1