Connection Method - Omron NV3W Connection Manual

Connecting through a KV-L20R/V (KV-3000/5000-series Unit)
8-7-1

Connection Method

Connection Configuration between PLC and PT
Connection Diagram
CPU Unit
KV-3000 KV-L20R/V
(port 1)
KV-5000
KV-3000 KV-L20R/L
(port 2)
KV-5000
KV-3000 KV-L20R/V
(port 2)
KV-5000
80
As shown below, connect the KV-L20R/V Unit to the KV-3000 or KV-5000 and
then connect the KV-L20R/V and the PT as shown below.
Keyence KV-
3000/5000-
series PLC
Connection diagram
D-sub 9-pin connector
on KV-L20R/V
Pin No. Signal
1 -
2 RD
3
SD
4 -
SG
5
6
-
7
RS
8 CS
9 -
KV-L20R/V
Pin No. Signal
1
SG
2 RDA(-)
3 SDA(-)
4
RDB(+)
SDB(+)
5
KV-L20R/V
Signal
Pin No.
1 SG
2 -
3
S/R(-)
4 -
5 S/R(+)
KV-L20R/V Unit
(connected to port 1)
To power
PT
supply
Pin No. Signal
1
2
3
FG
4 SD
RD
5
6 NC
7 NC
8 SG
To power
supply
Pin No.
1
2
3
4
5
6
7
Terminator setting (built-
8
in 120 Ω resistance)
PT
To power
supply
Pin No.
1
2
3
4
5
6
7
Terminator setting (built-
8
in 120 Ω resistance)
Section 8-7
PT
NV3W (-V1),
NV4W, or NV3Q
for RS-232C
+
−
NV3W (-V1),
NV4W, or NV3Q
Signal
for RS-422A
+
-
FG
+SD
-SD
+RD
-RD
NV3W (-V1),
NV4W, or NV3Q
for RS-485
Signal
+
-
FG
+SD
-SD
+RD
-RD
PT