Omron NJ101-10 Series, User Manual

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Attaching the Connectors to the Cable and Pin Assignments
Use straight wiring to attach the connectors to the communications cable.
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2
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2
3
4
5
6
7
8
Wire color
White-Green
Green
White-Orange
Blue
White-Blue
Orange
White-Brown
Brown
Shield Hood
Pin No. Wire color
White-Green
Green
White-Orange
Blue
White-Blue
Orange
White-Brown
Brown
Shield Hood
Pin No.
Note 1. Connect the cable shield to the connector hood at both ends of the cable.
Note 2. There are two connection methods for Ethernet: T568A and T568B. The T568A connection method is
shown above, but the T568B connection method can also be used.

Connector Specifications
Specification Description
Electrical characteristics Conforms to IEEE 802.3 standards.
Connector structure RJ45 8-pin modular connector (Conforms to ISO 8877.)

Pin Assignments
Pin No. Signal name Abbreviation Signal direction
1 Transmission data + TD+ Output
2 Transmission data − TD− Output
3 Reception data + RD+ Input
4 Not used. --- ---
5 Not used. --- ---
6 Reception data − RD- Input
7 Not used. --- ---
8 Not used. --- ---
Hood Frame ground FG ---
4-2-3
Connecting Communications Cables
Cable connections can be made freely in EtherCAT networks.
Connect the communications cable from the EtherCAT master to the input port on the first slave, and
then connect the communications cable to the next slave to the output port on the first slave.
Do not connect anything to the output port of the slave at the end of the network.
4 EtherCAT Network Wiring
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NJ/NX-series CPU Unit Built-in EtherCAT Port User's Manual (W505)