Connecting To The Tool Port; Connecting Through An Adapter - Omron NV3Q Connection Manual

MELSEC-FX1N Series
1-1-1

Connecting to the Tool Port

NV3W, NV4W, or NV3Q for RS-422A with 24-VDC Power
CPU Interface
FX1N Tool port
on PLC
1-1-2

Connecting through an Adapter

NV3W, NV4W, or NV3Q for RS-232C
CPU Adapter
FX1N FIN-232-B
Mitsubishi PLC tool port
Pin No. Signal
−RD
1
+RD
2
SG
3
−SD
4
+5V
5
-
6
7
+SD
8 -
Mitsubishi PLC Adapter
Signal
Pin No.
1 CD
2 RD
3 SD
4 ER
SG
5
6 DR
7
-
8
-
9
-
Note The NV3W model for RS-442A cannot communicate with an FX-series PLC
through an RS-422A or RS-485 Adapter.
Connection diagram
To power
PT
supply
Pin No.
1
2
3
4
5
6
7
Terminator setting (built-
8
Connection diagram
To power
PT
supply
Pin No.
1
2
3
4
5
6
7
8
Signal
+
−
FG
+SD
−SD
+RD
−RD
in 120 Ω resistance)
Signal
+
−
FG
SD
RD
NC
NC
SG
Section 1-1
PT
NV3W, NV4W, or
NV3Q for RS-422A
with
24-VDC power
PT
NV3W, NV4W, or
NV3Q for RS-232C
with
24-VDC power
3