Fuji Electric Monitouch V9 Series - Page 46

1.3 Connection Methods 1-35
When Connected at MJ1/MJ2:
This shows the situation when a multi-link connection is made at MJ1 or MJ2.
When connecting to Mitsubishi Electric’s QnA CPU:
Use the GD port of Hakko Electronics’ optional dual port interface V-MDD for the PLC CPU port.
SG
SG
FG
+
−
+
-
SG
SG
FG
+
−
+
-
SG
SG
FG
+
−
+
-
SG
Terminating resistance
(OFF)
Shielded
To the RS422 port of
the connected device
Receive data (+)
Receive data ()
Send data (+)
Send data ()
Terminating resistance
(ON)
Terminating resistance
(OFF)
Terminating resistance
(ON)
* Jumpers may not be necessary,
depending on the connected device.
Ter min al
block
Ter min al
block
Ter min al
block
+RxD
NameNo.
+TxD
+DSR
+DTR
1
2
3
4
5
SG
7
−RxD
15
−TxD
16
−DSR
17
−DTR
18
20
21
SG
FG
+
−
+
-
SG
SG
FG
+
−
+
-
SG
SG
FG
+
−
+
-
SG
V-MDD
GD port
Terminal
block
Ter min al
block
Ter min al
block
Terminating resistance
(OFF)
Terminating resistance
(OFF)
Terminating resistance
(ON)