Omron NV3W Connection Manual page 115

EH-150/EHV Series
CPU Link interface
EH-CPU104A Port 1 or 2 on
EH-SIO
EH-CPU208A
EH-CPU316A
EH-CPU516
EH-CPU548
EHV-CPU128
EHV-CPU64
EHV-CPU32
EHV-CPU16
9-1-2 RS-422A Connections
Connecting with a User-
made Cable
CPU Link interface
EH-CPU104A Port 1 on CPU
Module
EH-CPU208A
EH-CPU316A
EH-CPU516
EH-CPU548
EHV-CPU128 CPU Unit serial
port
EHV-CPU64
EHV-CPU32
EHV-CPU16
■
Connection Diagram
Refer to the previous RJ45 Modular Port diagram for the pin numbers for the
RJ45 Connector.
Connection diagram
RJ45 Connector on
Hitachi PLC
Signal
Pin No.
1
SG
2
CD
3
ER1
4
ER2
5 SD
6
RD
7
DR
8
RS
Note Settings depend on the port and communications method. Check
the communications settings given previously.
Hitachi PLC
■ Connection Diagram
Refer to the previous RJ45 Modular Port diagram for the pin numbers for the
RJ45 Connector.
RJ45 Connector on CPU
Module Port (RS-422) on
Hitachi PLC
Signal
Pin No.
SG
1
-
2
-
3
SD+
4
SD−
5
RD−
6
7
RD+
8 -
Note Settings depend on the port and communications method. Check
the communications settings given previously.
To power
PT
supply
Pin No. Signal
1
2
3
4
5
6
7
8
User-made cable
Connection diagram
To power
PT
supply
Pin No.
1
2
3
4
5
6
7
Terminator setting (built-
8
in 120 Ω resistance)
Section 9-1
PT
NV3W (-V1),
NV4W, or
NV3Q for RS-
232C
+
-
FG
NV3W (-V1),
SD
NV4W, or
RD
NV3Q for RS-
232C
NC
NC
SG
PT
PT
NV3W (-V1),
NV4W, or
NV3Q for RS-
422A
Signal
+
-
NV3W (-V1),
FG
NV4W, or
+SD
NV3Q for RS-
−SD
422A
+RD
−RD
93