Omron NV3Q Series, Connection Manual

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59
Connecting through a KV-L20R/V (KV-700-series Unit)
Section 8-3
8-3-1 Connecting to the KV-700 Series
Connection Configuration between PLC and PT
As shown below, connect the KV-L20R/V Unit to the KV-700 and then connect
the KV-L20R/V and the PT as shown below.
Connection Diagram
PT
KV-L20R/V Unit
Keyence KV-
700-series PLC
CPU Unit Connection diagram PT
KV-700 KV-L20R/V
(port 1) NV3W, NV4W, or
NV3Q for RS-232C
KV-700 KV-L20R/L
(port 2) NV3W, NV4W, or
NV3Q for RS-422A
KV-700 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
PT
KV-L20R/V
Terminator setting (built-
in 120
Ω
resistance)
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(+)
PT
KV-L20R/V
Terminator setting (built-
in 120
Ω
resistance)
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