Omron NV3Q Series, Connection Manual

Page: 92 / 145

68
Connecting through a KV-L20R/V (KV-3000/5000-series Unit)
Section 8-7
8-7-1 Connection Method
Connection Configuration between PLC and PT
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.
Connection Diagram
PT
Keyence KV-
3000/5000-
series PLC
KV-L20R/V Unit
(connected to port 1)
CPU Unit Connection diagram PT
KV-3000
KV-5000
KV-L20R/V
(port 1) NV3W, NV4W, or
NV3Q for RS-232C
KV-3000
KV-5000
KV-L20R/L
(port 2) NV3W, NV4W, or
NV3Q for RS-422A
KV-3000
KV-5000
KV-L20R/V
(port 2) NV3W, NV4W, or
NV3Q for RS-485
Pin No. Signal
1 -
RD
-
SG
SD
2
3
4
5
6
7
9 -
8
Pin No. Signal
1 +
−
SD
RD
FG
2
3
4
5
6 NC
NC
SG
7
8
PT
To power
supply
RS
CS
-
D-sub 9-pin connector
on KV-L20R/V
KV-L20R/V
Pin No. Signal
To power
supply
Pin No.
Signal
1
+
-
+SD
-SD
FG
2
3
4
5
6
+RD
-RD 7
8
1
2
3
4
5
SG
RDA(-)
SDB(+)
SDA(-)
RDB(+)
Terminator setting (built-
in 120
Ω
resistance)
PT KV-L20R/V
Pin No.
Signal
To power
supply
Pin No.
Signal
1 +
-
+SD
-SD
FG
2
3
4
5
6
+RD
-RD
7
8
1 SG
-
-
S/R(+)
S/R(-)
2
3
4
5
Terminator setting (built-
in 120
Ω
resistance)