Omron NV3Q Series, Connection Manual

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75
EH-150/EHV Series
Section 9-1
■ Connection Diagram
Refer to the previous RJ45 Modular Port diagram for the pin numbers for the
RJ45 Connector.
Note Settings depend on the port and communications method. Check
the communications settings given previously.
9-1-2 RS-422A Connections
Connecting with a User-
made Cable
■ Connection Diagram
Refer to the previous RJ45 Modular Port diagram for the pin numbers for the
RJ45 Connector.
Note Settings depend on the port and communications method. Check
the communications settings given previously.
CPU Link interface Connection diagram PT
EH-CPU104A
EH-CPU208A
EH-CPU316A
EH-CPU516
EH-CPU548
Port 1 or 2 on
EH-SIO NV3W, NV4W,
or NV3Q for
RS-232C
EHV-CPU128
EHV-CPU64
EHV-CPU32
EHV-CPU16
NV3W, NV4W,
or NV3Q for
RS-232C
Pin No.
Signal
1
2
3
4
5
6
7
8
Pin No. Signal
1 +
-
SD
RD
2
3
4
5
6 NC
NC
SG
7
8
To power
supply
SG
CD
ER2
SD
ER1
DR
RS
RD
RJ45 Connector on
Hitachi PLC
PT
FG
PT
Hitachi PLC
User-made cable
CPU Link interface Connection diagram PT
EH-CPU104A
EH-CPU208A
EH-CPU316A
EH-CPU516
EH-CPU548
Port 1 on CPU
Module NV3W,
NV4W, or
NV3Q for RS-
422A
EHV-CPU128
EHV-CPU64
EHV-CPU32
EHV-CPU16
CPU Unit serial
port NV3W,
NV4W, or
NV3Q for RS-
422A
Pin No.
Signal
1
SG
-
SD+
SD
−
-
2
3
4
5
6
RD
−
7
8
To power
supply
RD+
-
Pin No.
Signal
1
+
-
+SD
−
SD
FG
2
3
4
5
6
+RD
−
RD 7
8
RJ45 Connector on CPU
Module Port (RS-422) on
Hitachi PLC
PT
Terminator setting (built-
in 120
Ω
resistance)