Mitsubishi Electric GOT2000 Series Connection Manual page 988

(4) RS-485 connection diagram 3)
(For 1 pair wiring)
Serial multi-drop
connection unit
SDA
SDB
RDA
RDB
SG
*1
*2
*3
*4
*5
(5) RS-485 connection diagram 3)
(For 2 pair wiring)
Serial multi-drop
connection unit
RDA
RDB
SDA
SDB
SG
*1
*2
*3
*4
*5
19 - 24
19.4 Connection Diagram
*2
GOT side
SDA
1
SDB
6
RDA
2
RDB
7
SG
5
* 4
RSA
* 5
3
* 4
RSB
8
* 4
CSA
4
* 4
CSB
9
Set the terminating resistor selector to "OPEN".
Set the terminating resistor selector to "110 ".
➠
1.4.3 Terminating resistors of GOT
It is a connector pin number of GT10-C02H-9SC.
The signals RSA, RSB, CSA, and CSB are not provided for
Make sure to ground a cable shield line by applying Class D Grounding (100
*2
GOT side
SDA
SDB
RDA
RDB
SG
* 4
RSA
* 5
* 4
RSB
* 4
CSA
* 4
CSB
Set the terminating resistor selector to "OPEN".
Set the terminating resistor selector to "330 ".
➠
1.4.3 Terminating resistors of GOT
It is a connector pin number of GT10-C02H-9SC.
The signals RSA, RSB, CSA, and CSB are not provided for
Make sure to ground a cable shield line by applying Class D Grounding (100
*1
GOT side
* 3
SDA
SDB
RDA
RDB
SG
* 4
RSA
* 5
* 4
RSB
* 4
CSA
* 4
CSB
.
*1
GOT side
* 3
SDA
1
SDB
6
RDA
2
RDB
7
SG
5
* 4
RSA
* 5
3
* 4
RSB
8
* 4
CSA
4
* 4
CSB
9
.
*1
GOT side
* 3
SDA
1
SDB
6
RDA
2
RDB
7
SG
5
* 4
RSA
* 5
3
* 4
RSB
8
* 4
CSA
4
* 4
CSB
9
or less).
*1
GOT side
* 3
SDA
1
SDB
6
RDA
2
RDB
7
SG
5
* 4
RSA
* 5
3
* 4
RSB
8
* 4
CSA
4
* 4
CSB
9
or less).
*2
* 3
1
6
2
7
5
3
8
4
9
*2
* 3
1
6
2
7
5
3
8
4
9