Fuji Electric Monitouch V9 Series Connection Manual page 27

1. Overview
1-16
RS-485 (2-wire system) connection
 Connection example
CN1
Dsub 9 (Male)
1
6
9
5
Terminating resistance ON
MJ1/MJ2
The wiring between a V9 and a connected device is the same as that for 1 : 1 communication. For description of wiring
between connected devices, refer to the manuals issued by the manufacturers.
RS-485 (2-wire system) connection
 Connection example
MJ1/2
RJ - 45
12345678
Terminating resistance ON
No.
Name
FG
+RD 1
-RD 2
-SD 3
+SD 4
SG 5
Name No.
FG
+RD/+SD 1
-RD/-SD 2
SG 5
RS-485 port of the
connected device
FG
Send/receive
data (+)
Send/receive
data ()
SG
For wiring between connected devices, refer
to the manuals issued by the manufacturers.
RS-485 port of the
connected device
Send/receive
data (+)
Send/receive
data ()
SG
For wiring between connected devices, refer
to the manuals issued by the manufacturers.
RS-485 port of the
connected device
FG
Send/receive
data (+)
Send/receive
data ()
SG
RS-485 port of the
connected device
Send/receive
data (+)
Send/receive
data ()
SG