Rs-485 Cable - Mitsubishi Electric GOT2000 Series Connection Manual

(d) RS-232 connection diagram 4)
(2) Precautions when preparing a cable
(a) Cable length
The length of the RS-232 cable must be 15m or less.
(b) GOT side connector
For the GOT side connector, refer to the following.
➠
1.4.1GOT connector specifications
(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.
■2. RS-485 cable
(1) Connection diagram
(a) RS-485 connection diagram 1)
GOT side
RDA
2
RDB
7
SDA
1
SDB
6
SG 5
RSA 3
CSA
4
RSB
8
CSB
9
-
*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)
*3 Connect FG grounding to the appropriate part of a cable shield line.
GOT side
(terminal block)
SD
RD
ER
DR
SG
RS
CS
NC
NC
* 2
* 3
Connecting terminating resistors
PLC side
(D-sub 9-pin)
CD
1
RD
2
SD
3
ER
4
DR
6
SG
5
CS
8
RS
7
Ri
9
* 1
PLC side
SDA
SDB
RDA
RDB
SG
FG
* 3
4.2 Serial connection
* 1
PLC side
SDA
SDB
RDA
RDB
SG
FG
4 - 15
4