Mitsubishi Electric GOT2000 Series Connection Manual page 120

(d) RS-485 connection diagram 4)
*1
*2
*3
*4
(e) RS-485 connection diagram 5)
*1
*2
*3
*4
(2) Precautions when preparing a cable
(a) Cable length
The length of the RS-485 cable must be within the maximum distance..
(b) GOT side connector
For the GOT side connector, refer to the following.
➠
(c) FUJI PLC side connector
Use the connector compatible with the FUJI PLC side module.
For details, refer to the user's FUJI PLC manual.
4 - 16
4.2 Serial connection
* 2
GOT side
(terminal block)
SDA
SDB
RDA
RDB
SG
* 4
RSA
* 4
RSB
4
*
CSA
4
*
CSB
Turn on the RS485 terminating switch of a interface converter which will be a terminal.
Set the terminating resistor of GOT side, which will be a terminal, to "330Ω".
➠ (3)
Connecting terminating resistors
Make sure to pull the cable shield line into inside the connector cover, and treat the line end for obtaining shield effect.
The signals RSA, RSB, CSA, and CSB are not provided for
* 2
GOT side
(terminal block)
SDA
SDB
RDA
RDB
SG
* 4
RSA
* 4
RSB
* 4
CSA
* 4
CSB
Turn on the RS485 terminating switch of a interface converter which will be a terminal.
Set the terminating resistor of GOT side, which will be a terminal, to "330Ω".
➠ (3)
Connecting terminating resistors
Make sure to pull the cable shield line into inside the connector cover, and treat the line end for obtaining shield effect.
The signals RSA, RSB, CSA, and CSB are not provided for
1.4.1GOT connector specifications
*1
PLC side
(D-sub 9-pin)
RDA(+)
9
RDB(-)
8
SDA(+)
2
SDB(-)
1
5 SG
6 FG
* 3
. Return connection is not required.
*1
PLC side
(terminal block)
RDA(+)
RDB(-)
SDA(+)
SDB(-)
SG
FG
* 3
. Return connection is not required.