Mitsubishi Electric GOT2000 Series Connection Manual page 119

(b) RS-485 connection diagram 2)
RDA
RDB
SDA
SDB
SG
RSA
CSA
RSB
CSB
*1 Turn ON the terminating switch of a interface converter which will be a terminal.
*2 Set the terminating resistor of GOT side which will be a terminal.
➠ (3)
Connecting terminating resistors
*3 Make sure to pull the cable shield line into inside the connector cover, and treat the line end for obtaining shield effect.
(c) RS-485 connection diagram 3)
RDA
RDB
SDA
SDB
SG
RSA
CSA
RSB
CSB
*1 Turn ON the terminating switch of a interface converter which will be a terminal.
*2 Set the terminating resistor of GOT side which will be a terminal.
➠ (3)
Connecting terminating resistors
*3 Make sure to pull the cable shield line into inside the connector cover, and treat the line end for obtaining shield effect.
* 2
GOT side
2
7
1
6
5
3
4
8
9
-
* 2
GOT side
2
7
1
6
5
3
4
8
9
-
*1
PLC side
(D-sub 9-pin)
2 SDA(+)
SDB(-)
1
9 RDA(+)
8 RDB(-)
5 SG
6 FG
* 3
*1
PLC side
(Terminal block)
SDA(+)
SDB(-)
RDA(+)
RDB(-)
SG
FG
* 3
4.2 Serial connection
4
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